| Value | Category | Cases | |
|---|---|---|---|
| 1 | Specify | 8066 | 
                                    
                                    53.9%
                                 | 
| 3 | Does not want to provide the information | 879 | 
                                    
                                    5.9%
                                 | 
| 8 | DK | 6020 | 
                                    
                                    40.2%
                                 | 
| Sysmiss | 2 |