| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 92 |
7.7%
|
| 2 | Easy | 239 |
19.9%
|
| 3 | Difficult | 62 |
5.2%
|
| 4 | Very Difficult | 5 |
0.4%
|
| 7 | Not Applicable | 801 |
66.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|