| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Very Easy | 362 |
15.1%
|
| 2 | Easy | 669 |
27.9%
|
| 3 | Difficult | 300 |
12.5%
|
| 4 | Very Difficult | 92 |
3.8%
|
| 7 | No contact | 971 |
40.5%
|
| 9 | Don't Know | 2 |
0.1%
|
| 98 | Refused | 0 |
0%
|