| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 115 |
4.8%
|
| 2 | Easy | 206 |
8.6%
|
| 3 | Difficult | 283 |
11.8%
|
| 4 | Very Difficult | 74 |
3.1%
|
| 7 | No contact | 1691 |
70.5%
|
| 9 | Don't Know | 31 |
1.3%
|
| 98 | Refused | 0 |
0%
|