| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 20 |
1.7%
|
| 2 | Easy | 171 |
14.3%
|
| 3 | Difficult | 269 |
22.4%
|
| 4 | Very Difficult | 86 |
7.2%
|
| 7 | Not Applicable | 654 |
54.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|