| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1283 | 
                                    
                                    25.5%
                                 | 
| 2 | NO | 3658 | 
                                    
                                    72.7%
                                 | 
| 9 | NO RESPONSE | 91 | 
                                    
                                    1.8%
                                 | 
| Sysmiss | 12512 |