| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 49 |
4.1%
|
| 2 | Easy | 74 |
6.2%
|
| 3 | Difficult | 58 |
4.8%
|
| 4 | Very Difficult | 105 |
8.8%
|
| 7 | No contact | 914 |
76.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|