| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 92 |
7.8%
|
| 2 | Easy | 311 |
26.3%
|
| 3 | Difficult | 167 |
14.1%
|
| 4 | Very Difficult | 88 |
7.4%
|
| 7 | No contact | 523 |
44.2%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|