| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 921 | 
                                    
                                    4.8%
                                 | 
| 2 | NO | 18383 | 
                                    
                                    95.1%
                                 | 
| 9 | NO RESPONSE | 34 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 11722 |