| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 29 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| 0 | 35 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 1 | 44 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    |
| 2 | 51 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 31 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 21 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    |
| 5 | 21 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 16 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 7 | 8 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 8 | 7 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 4 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 10 | 31 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    |
| 11 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 12 | 9 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 13 | 5 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 14 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 15 | 15 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 17 | 4 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 18 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 20 | 14 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 22 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 23 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 24 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 25 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 26 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 29 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 30 | 8 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 32 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 33 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 34 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 36 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 37 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 38 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 40 | 5 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 49 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 50 | 4 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 52 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 53 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 55 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 60 | 3 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 68 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 70 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 80 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 85 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 86 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 90 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 100 | 7 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 109 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 121 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 136 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 139 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 140 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 150 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 159 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 183 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 190 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 230 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 260 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 265 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 280 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 300 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 350 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 380 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 400 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 401 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 650 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 700 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1520 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 344 |