| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know | 0 | 
                                    
                                    0%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | Not Applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Level 1 | 0 | 
                                    
                                    0%
                                 | 
| 2 | Level 2 | 0 | 
                                    
                                    0%
                                 | 
| 3 | Level 3 | 5157 | 
                                    
                                    72.9%
                                 | 
| 4 | Level 4 | 1916 | 
                                    
                                    27.1%
                                 | 
| 5 | Level 5 | 0 | 
                                    
                                    0%
                                 |