| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 388 | 
                                                                 
                                    
                                    54.9%
                                 
                                                             | 
                                                        
                    |
| 1 | 97 | 
                                                                 
                                    
                                    13.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 87 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 3 | 31 | 
                                                                 
                                    
                                    4.4%
                                 
                                                             | 
                                                        
                    |
| 4 | 17 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 24 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| 6 | 9 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 7 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 9 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 10 | 8 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 11 | 3 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 12 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 15 | 7 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 17 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 19 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 20 | 11 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 24 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 28 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 33 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 35 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 40 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 46 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 70 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 80 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 90 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 100 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 105 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 725 |