Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
1 | Very easy | 68 |
5.7%
|
2 | Easy | 160 |
13.3%
|
3 | Difficult | 500 |
41.7%
|
4 | Very difficult | 333 |
27.8%
|
8 | Refused | 1 |
0.1%
|
9 | Don’t know | 138 |
11.5%
|