| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 60 |
5%
|
| 2 | Easy | 265 |
22.1%
|
| 3 | Difficult | 211 |
17.6%
|
| 4 | Very Difficult | 130 |
10.8%
|
| 7 | Not Applicable | 532 |
44.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 2 |
0.2%
|