| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 134 |
5.6%
|
| 2 | Easy | 265 |
11%
|
| 3 | Difficult | 314 |
13.1%
|
| 4 | Very Difficult | 335 |
14%
|
| 7 | No contact | 1351 |
56.3%
|
| 9 | Don't Know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|