Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 3867 |
46.9%
|
2 | Minor difficult | 887 |
10.8%
|
3 | Big difficulty | 2048 |
24.8%
|
8 | NA | 1342 | |
9 | I don’t know | 83 | |
Sysmiss | 17 |