| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4255 | 
                                    
                                    78.2%
                                 | 
| 2 | NO | 1157 | 
                                    
                                    21.3%
                                 | 
| 9 | NO RESPONSE | 28 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 25620 |