| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 189 | 
                                                                 
                                    
                                    19.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 5 | 17 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 10 | 49 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 15 | 17 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    |
| 20 | 78 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 25 | 19 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 30 | 62 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 35 | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 40 | 49 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 45 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 50 | 53 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 54 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 55 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 60 | 48 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 70 | 30 | 
                                                                 
                                    
                                    3.1%
                                 
                                                             | 
                                                        
                    |
| 75 | 31 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 80 | 35 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 85 | 10 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 90 | 64 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 95 | 20 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 97 | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 98 | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 99 | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 100 | 168 | 
                                                                 
                                    
                                    17.5%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 472 |