| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | Not Applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Phase One | 28880 | 
                                    
                                    92.7%
                                 | 
| 2 | Phase Two | 2264 | 
                                    
                                    7.3%
                                 |