Value | Category | Cases | |
---|---|---|---|
1 | No difficulties | 6944 |
97.8%
|
2 | Some difficulties | 82 |
1.2%
|
3 | A lot of difficulties | 44 |
0.6%
|
4 | Cannot do at all | 27 |
0.4%
|
Sysmiss | 18676 |