| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 22 |
1.8%
|
| 2 | Easy | 59 |
4.9%
|
| 3 | Difficult | 58 |
4.8%
|
| 4 | Very Difficult | 106 |
8.8%
|
| 7 | No contact | 953 |
79.4%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 1 |
0.1%
|