| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 72 |
6%
|
| 2 | Easy | 86 |
7.2%
|
| 3 | Difficult | 290 |
24.2%
|
| 4 | Very Difficult | 249 |
20.8%
|
| 7 | No contact | 492 |
41%
|
| 9 | Don't Know | 10 |
0.8%
|
| 98 | Refused | 0 |
0%
|