| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1079 | 
                                    
                                    40.4%
                                 | 
| 2 | No | 1520 | 
                                    
                                    57%
                                 | 
| 9 | Dont kno | 70 | 
                                    
                                    2.6%
                                 | 
| Sysmiss | 99 |