| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 1502 | 1420 | 
                                    
                                    7.3%
                                 | 
| 1 | Yes | 18032 | 18130 | 
                                    
                                    92.7%
                                 | 
| 99 | Not stated | 0 | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 3071 | 3050 |