| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 682 | 
                                    
                                    25.1%
                                 | 
| 2 | No | 2018 | 
                                    
                                    74.2%
                                 | 
| 9 | Dont kno | 21 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 47 |