| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 | 
                                
                                0.7%
                             | |
| 4 | 2 | 
                                
                                1.3%
                             | |
| 6 | 3 | 
                                
                                2%
                             | |
| 8 | Don't Know | 1 | 
                                
                                0.7%
                             | 
| 99 | Not applicable | 146 | 
                                
                                95.4%
                             |