| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Very Easy | 153 | 
                                    
                                    12.8%
                                 | 
| 2 | Easy | 260 | 
                                    
                                    21.7%
                                 | 
| 3 | Difficult | 149 | 
                                    
                                    12.4%
                                 | 
| 4 | Very Difficult | 80 | 
                                    
                                    6.7%
                                 | 
| 7 | No contact | 558 | 
                                    
                                    46.5%
                                 | 
| 9 | Don't Know | 0 | 
                                    
                                    0%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |