| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 256 |
21.3%
|
| 2 | Easy | 366 |
30.5%
|
| 3 | Difficult | 119 |
9.9%
|
| 4 | Very Difficult | 47 |
3.9%
|
| 7 | No contact | 412 |
34.3%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|