| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 20 |
1.7%
|
| 2 | Easy | 107 |
8.9%
|
| 3 | Difficult | 52 |
4.3%
|
| 4 | Very Difficult | 5 |
0.4%
|
| 7 | Not applicable | 1016 |
84.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|