| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3645 | 
                                    
                                    79.7%
                                 | 
| 2 | NO | 913 | 
                                    
                                    20%
                                 | 
| 9 | NO RESPONSE | 17 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 16073 |