| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 135 |
11.3%
|
| 2 | Easy | 332 |
27.7%
|
| 3 | Difficult | 121 |
10.1%
|
| 4 | Very Difficult | 42 |
3.5%
|
| 7 | No contact | 566 |
47.2%
|
| 9 | Don't Know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|