| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1332 | 
                                    
                                    87.8%
                                 | 
| 2 | No | 163 | 
                                    
                                    10.7%
                                 | 
| 9 | Do not know | 22 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 450 |