Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 13 |
0%
|
1 | Very easy | 1993 |
4.4%
|
2 | Easy | 9087 |
19.9%
|
3 | Difficult | 16230 |
35.6%
|
4 | Very difficult | 12444 |
27.3%
|
9 | Don't know | 5831 |
12.8%
|
997 | Not asked | 0 |
0%
|
998 | Refused | 0 |
0%
|
Sysmiss | 5989 |