| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 40 |
1.7%
|
| 2 | Easy | 186 |
7.8%
|
| 3 | Difficult | 267 |
11.1%
|
| 4 | Very Difficult | 205 |
8.6%
|
| 7 | No contact | 1695 |
70.7%
|
| 9 | Don't Know | 4 |
0.2%
|
| 98 | Refused | 0 |
0%
|