| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 91 |
8.1%
|
| 2 | Easy | 249 |
22.2%
|
| 3 | Difficult | 141 |
12.6%
|
| 4 | Very Difficult | 84 |
7.5%
|
| 7 | Not Applicable | 555 |
49.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|