| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 86 |
7.2%
|
| 2 | Easy | 104 |
8.7%
|
| 3 | Difficult | 63 |
5.3%
|
| 4 | Very Difficult | 89 |
7.4%
|
| 7 | No contact | 858 |
71.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|