Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 2 |
0.2%
|
1 | Very easy | 56 |
4.7%
|
2 | Easy | 208 |
17.3%
|
3 | Difficult | 306 |
25.5%
|
4 | Very difficult | 382 |
31.8%
|
9 | Don't know | 246 |
20.5%
|
998 | Refused | 0 |
0%
|