| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 182 | 
                                    
                                    55.8%
                                 | 
| 1 | Yes | 138 | 
                                    
                                    42.3%
                                 | 
| 98 | I do not know | 4 | 
                                    
                                    1.2%
                                 | 
| 99 | Refused | 2 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 1816 |