| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 833 | 
                                    
                                    99.6%
                                 | 
| 2 | NO | 3 | 
                                    
                                    0.4%
                                 | 
| 99 | REFUSED | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 441 |