| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Difficult | 122 |
10.2%
|
| 2 | Difficult | 317 |
26.4%
|
| 3 | Easy | 410 |
34.2%
|
| 4 | Very easy | 307 |
25.6%
|
| 7 | No contact | 0 |
0%
|
| 8 | Refused | 8 |
0.7%
|
| 9 | Don't know | 36 |
3%
|