| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 95 |
7.9%
|
| 2 | Easy | 211 |
17.6%
|
| 3 | Difficult | 325 |
27.1%
|
| 4 | Very Difficult | 168 |
14%
|
| 7 | No contact | 389 |
32.4%
|
| 9 | Do not know | 12 |
1%
|
| 98 | Refused | 0 |
0%
|