Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 41777 |
98.9%
|
2 | Some difficulty | 400 |
0.9%
|
3 | A lot of difficulty | 30 |
0.1%
|
4 | Cannot do at all | 51 |
0.1%
|
8 | Don't know | 1 |
0%
|
Sysmiss | 15540 |