Value | Category | Cases | |
---|---|---|---|
1 | No difficulties | 4927 |
69.4%
|
2 | Some difficulties | 1946 |
27.4%
|
3 | A lot of difficulties | 164 |
2.3%
|
4 | Cannot do at all | 60 |
0.8%
|
Sysmiss | 18676 |