| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 314 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 1 | 275 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 385 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 298 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| 4 | 389 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 1131 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    |
| 6 | 861 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 426 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 8 | 881 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 9 | 280 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 1292 | 
                                                                 
                                    
                                    12.1%
                                 
                                                             | 
                                                        
                    |
| 11 | 221 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 12 | 663 | 
                                                                 
                                    
                                    6.2%
                                 
                                                             | 
                                                        
                    |
| 13 | 216 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 14 | 120 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 15 | 763 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 16 | 140 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 17 | 59 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 18 | 137 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 19 | 53 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 20 | 587 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 21 | 89 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 22 | 173 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 23 | 91 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 24 | 51 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 25 | 232 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 26 | 40 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 27 | 24 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 28 | 51 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 29 | 15 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 30 | 156 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 31 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 32 | 24 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 33 | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 34 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 35 | 61 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 36 | 7 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 37 | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 38 | 21 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 39 | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 40 | 63 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 41 | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 42 | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 43 | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 44 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 45 | 15 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 46 | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 47 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 48 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 50 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 52 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 53 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 55 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 60 | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             |