| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 239 |
10%
|
| 2 | Easy | 604 |
25.3%
|
| 3 | Difficult | 285 |
11.9%
|
| 4 | Very Difficult | 57 |
2.4%
|
| 7 | No contact | 1200 |
50.3%
|
| 9 | Don't Know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|