| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Very Easy | 6 | 
                                    
                                    0.5%
                                 | 
| 2 | Easy | 13 | 
                                    
                                    1.1%
                                 | 
| 3 | Difficult | 10 | 
                                    
                                    0.8%
                                 | 
| 4 | Very Difficult | 13 | 
                                    
                                    1.1%
                                 | 
| 7 | No contact | 1158 | 
                                    
                                    96.5%
                                 | 
| 9 | Don't Know | 0 | 
                                    
                                    0%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |