| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 47 | 
                                    
                                    3.5%
                                 | 
| 2 | NO | 1297 | 
                                    
                                    96.4%
                                 | 
| 9 | NO RESPONSE | 1 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 185445 |