| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't Know | 338 | 
                                    
                                    40.9%
                                 | 
| -88 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| -77 | Not applicable | 45 | 
                                    
                                    5.4%
                                 | 
| 0 | 164 | 
                                    
                                    19.8%
                                 | |
| 1 | 205 | 
                                    
                                    24.8%
                                 | |
| 2 | 61 | 
                                    
                                    7.4%
                                 | |
| 3 | 14 | 
                                    
                                    1.7%
                                 |