| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 11 |
0.9%
|
| 2 | Easy | 41 |
3.4%
|
| 3 | Difficult | 69 |
5.8%
|
| 4 | Very Difficult | 60 |
5%
|
| 7 | No contact | 1019 |
84.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|