| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 64 |
2.7%
|
| 2 | Easy | 75 |
3.1%
|
| 3 | Difficult | 117 |
4.9%
|
| 4 | Very Difficult | 136 |
5.7%
|
| 7 | Not applicable | 2008 |
83.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|