Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1576 |
50.5%
|
2 | Minor difficulty | 165 |
5.3%
|
3 | Big difficulty | 156 |
5%
|
8 | Not applicable | 1191 |
38.1%
|
9 | Don’t know | 19 |
0.6%
|
Sysmiss | 15 |