| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 990 | 
                                    
                                    87.4%
                                 | 
| 2 | NO | 143 | 
                                    
                                    12.6%
                                 | 
| 88 | DON'T KNOW | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 459 |