| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 131 |
10.9%
|
| 2 | Easy | 168 |
14%
|
| 3 | Difficult | 107 |
8.9%
|
| 4 | Very Difficult | 72 |
6%
|
| 7 | No contact | 722 |
60.2%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|