| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 367 | 
                                    
                                    95.3%
                                 | 
| 1 | Yes | 16 | 
                                    
                                    4.2%
                                 | 
| 2 | No | 2 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 614 |