| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 35 |
2.9%
|
| 2 | Easy | 133 |
11.1%
|
| 3 | Difficult | 67 |
5.6%
|
| 4 | Very Difficult | 45 |
3.8%
|
| 7 | No contact | 918 |
76.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|