| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 259 |
22%
|
| 2 | Easy | 443 |
37.7%
|
| 3 | Difficult | 123 |
10.5%
|
| 4 | Very Difficult | 67 |
5.7%
|
| 7 | Not Applicable | 281 |
23.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 3 |
0.3%
|