| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3954 | 
                                    
                                    72.2%
                                 | 
| 2 | NO | 248 | 
                                    
                                    4.5%
                                 | 
| 9 | NO RESPONSE | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1274 | 
                                    
                                    23.3%
                                 |