| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 335 |
27.9%
|
| 2 | Easy | 194 |
16.2%
|
| 3 | Difficult | 66 |
5.5%
|
| 4 | Very Difficult | 85 |
7.1%
|
| 7 | Not Applicable | 520 |
43.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|