| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 954 | 
                                    
                                    17.4%
                                 | 
| 2 | NO | 4397 | 
                                    
                                    80.3%
                                 | 
| 9 | NO RESPONSE | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 120 | 
                                    
                                    2.2%
                                 |