| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 852 | 
                                    
                                    16.1%
                                 | 
| 2 | No | 92 | 
                                    
                                    1.7%
                                 | 
| 3 | Do not know | 299 | 
                                    
                                    5.7%
                                 | 
| 4 | Not applicable | 4038 | 
                                    
                                    76.5%
                                 | 
| Sysmiss | 377 |