| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 24 |
2%
|
| 2 | Easy | 56 |
4.7%
|
| 3 | Difficult | 90 |
7.5%
|
| 4 | Very Difficult | 94 |
7.8%
|
| 7 | No contact | 935 |
77.9%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|