| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't Know | 0 | 
                                    
                                    0%
                                 | 
| -88 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| -77 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| 0 | 850 | 
                                    
                                    90.9%
                                 | |
| 1 | 44 | 
                                    
                                    4.7%
                                 | |
| 2 | 24 | 
                                    
                                    2.6%
                                 | |
| 3 | 17 | 
                                    
                                    1.8%
                                 |