| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 114 |
9.5%
|
| 2 | Easy | 269 |
22.4%
|
| 3 | Difficult | 122 |
10.2%
|
| 4 | Very Difficult | 53 |
4.4%
|
| 7 | No contact | 642 |
53.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|