| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 248 |
10.3%
|
| 2 | Easy | 306 |
12.8%
|
| 3 | Difficult | 56 |
2.3%
|
| 4 | Very Difficult | 30 |
1.3%
|
| 7 | Not Applicable | 1759 |
73.3%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't Know | 0 |
0%
|