| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 517 | 
                                    
                                    16.5%
                                 | 
| 2 | NO | 2621 | 
                                    
                                    83.4%
                                 | 
| 99 | REFUSE TO ANSWER | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 3079 |