| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 78 |
6.5%
|
| 2 | Easy | 247 |
20.6%
|
| 3 | Difficult | 74 |
6.2%
|
| 4 | Very Difficult | 28 |
2.3%
|
| 7 | Not Applicable | 768 |
64%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 5 |
0.4%
|