| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 19 |
1.6%
|
| 2 | Easy | 23 |
1.9%
|
| 3 | Difficult | 32 |
2.7%
|
| 4 | Very Difficult | 97 |
8.1%
|
| 7 | No contact | 1028 |
85.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|