| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 46 |
3.8%
|
| 2 | Easy | 178 |
14.8%
|
| 3 | Difficult | 154 |
12.8%
|
| 4 | Very Difficult | 77 |
6.4%
|
| 7 | No contact | 742 |
61.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 2 |
0.2%
|