| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 137 |
5.7%
|
| 2 | Easy | 215 |
9%
|
| 3 | Difficult | 116 |
4.8%
|
| 4 | Very Difficult | 120 |
5%
|
| 7 | Not Applicable | 1812 |
75.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|