Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 8469 |
85.3%
|
2 | Minor difficulty | 798 |
8%
|
3 | Big difficulty | 542 |
5.5%
|
8 | Not applicable | 104 |
1%
|
9 | Don’t know | 6 |
0.1%
|
Sysmiss | 7 |