| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 58 |
4.8%
|
| 2 | Easy | 267 |
22.3%
|
| 3 | Difficult | 100 |
8.3%
|
| 4 | Very Difficult | 20 |
1.7%
|
| 7 | No contact | 755 |
62.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|