| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 29 |
2.4%
|
| 2 | Easy | 62 |
5.2%
|
| 3 | Difficult | 90 |
7.5%
|
| 4 | Very difficult | 109 |
9.1%
|
| 7 | Not applicable | 910 |
75.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|