| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 126 |
10.5%
|
| 2 | Easy | 243 |
20.3%
|
| 3 | Difficult | 108 |
9%
|
| 4 | Very Difficult | 61 |
5.1%
|
| 7 | No contact | 661 |
55.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|