| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 228 |
9.5%
|
| 2 | Easy | 684 |
28.5%
|
| 3 | Difficult | 497 |
20.7%
|
| 4 | Very Difficult | 305 |
12.7%
|
| 7 | No contact | 665 |
27.7%
|
| 9 | Don't Know | 21 |
0.9%
|
| 98 | Refused | 0 |
0%
|