Value | Category | Cases | |
---|---|---|---|
1 | No difficulties | 12049 |
75.3%
|
2 | Some difficulties | 1132 |
7.1%
|
3 | A lot of difficulties | 2156 |
13.5%
|
4 | Cannot do at all | 667 |
4.2%
|
Sysmiss | 9769 |