| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 49 |
4.1%
|
| 2 | Easy | 143 |
11.9%
|
| 3 | Difficult | 158 |
13.2%
|
| 4 | Very Difficult | 117 |
9.8%
|
| 7 | No contact | 712 |
59.3%
|
| 9 | Do not know | 21 |
1.8%
|
| 98 | Refused | 0 |
0%
|