| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 10 | 3 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 15 | 4 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 20 | 6 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 25 | 8 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 30 | 14 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 35 | 3 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 40 | 26 | 
                                                                 
                                    
                                    4.4%
                                 
                                                             | 
                                                        
                    |
| 45 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 50 | 52 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    |
| 55 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 60 | 48 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 65 | 7 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 70 | 51 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    |
| 75 | 38 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 77 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 78 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 80 | 119 | 
                                                                 
                                    
                                    20.2%
                                 
                                                             | 
                                                        
                    |
| 85 | 43 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    |
| 88 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 90 | 66 | 
                                                                 
                                    
                                    11.2%
                                 
                                                             | 
                                                        
                    |
| 93 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 95 | 14 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 96 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 98 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 99 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 100 | 74 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 843 |