| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't Know | 718 | 
                                    
                                    76.9%
                                 | 
| -88 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| -77 | Not applicable | 1 | 
                                    
                                    0.1%
                                 | 
| 0 | 100 | 
                                    
                                    10.7%
                                 | |
| 1 | 102 | 
                                    
                                    10.9%
                                 | |
| 2 | 12 | 
                                    
                                    1.3%
                                 | |
| 3 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 1 |