| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 25 | 
                                    
                                    0.5%
                                 | 
| 2 | NO | 5313 | 
                                    
                                    97%
                                 | 
| 9 | NO RESPONSE | 21 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 120 | 
                                    
                                    2.2%
                                 |