| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 193 |
8.1%
|
| 2 | Easy | 591 |
24.8%
|
| 3 | Difficult | 670 |
28.1%
|
| 4 | Very Difficult | 277 |
11.6%
|
| 7 | No contact | 655 |
27.5%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|