| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 9306 | 
                                    
                                    67%
                                 | 
| 1 | Yes | 4081 | 
                                    
                                    29.4%
                                 | 
| 98 | Don't know | 505 | 
                                    
                                    3.6%
                                 | 
| Sysmiss | 85 |