Value | Category | Cases | |
---|---|---|---|
1 | No difficulties | 11965 |
74.8%
|
2 | Some difficulties | 3415 |
21.3%
|
3 | A lot of difficulties | 216 |
1.3%
|
4 | Cannot do at all | 408 |
2.5%
|
Sysmiss | 9769 |