Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 3775 |
98.6%
|
2 | Some difficulty | 41 |
1.1%
|
3 | A lot of difficulty | 3 |
0.1%
|
4 | Cannot do at all | 2 |
0.1%
|
99 | Refused | 8 |
0.2%
|
Sysmiss | 316 |