| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 119 | 
                                    
                                    14.5%
                                 | 
| 2 | NO | 193 | 
                                    
                                    23.6%
                                 | 
| 3 | Don't know | 507 | 
                                    
                                    61.9%
                                 | 
| Sysmiss | 366 |