| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 4 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 32 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 36 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 38 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 40 | 20 | 
                                                                 
                                    
                                    32.3%
                                 
                                                             | 
                                                        
                    |
| 42 | 4 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 43 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 45 | 6 | 
                                                                 
                                    
                                    9.7%
                                 
                                                             | 
                                                        
                    |
| 46 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 48 | 9 | 
                                                                 
                                    
                                    14.5%
                                 
                                                             | 
                                                        
                    |
| 51 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 54 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 60 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 63 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 96 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 120 | 1 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 168 | 10 | 
                                                                 
                                    
                                    16.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 171 |