Value | Category | Cases | |
---|---|---|---|
1 | No difficulties | 12210 |
76.3%
|
2 | Some difficulties | 2810 |
17.6%
|
3 | A lot of difficulties | 919 |
5.7%
|
4 | Cannot do at all | 65 |
0.4%
|
Sysmiss | 9769 |