| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Very Easy | 122 |
10.2%
|
| 2 | Easy | 203 |
16.9%
|
| 3 | Difficult | 347 |
28.9%
|
| 4 | Very Difficult | 201 |
16.8%
|
| 7 | No contact | 314 |
26.2%
|
| 9 | Don't Know | 11 |
0.9%
|
| 98 | Refused | 0 |
0%
|