Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 2252 |
27.3%
|
2 | Minor difficult | 94 |
1.1%
|
3 | Big difficulty | 364 |
4.4%
|
8 | NA | 5507 | |
9 | I don’t know | 10 | |
Sysmiss | 17 |