| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 291 | 
                                    
                                    22.3%
                                 | 
| 2 | NO | 1003 | 
                                    
                                    76.8%
                                 | 
| 3 | Don't know | 12 | 
                                    
                                    0.9%
                                 | 
| Sysmiss | 2003 |