Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 2522 |
90.3%
|
2 | SOME DIFFICULTY | 198 |
7.1%
|
3 | A LOT OF DIFFICULTY | 16 |
0.6%
|
4 | CANNOT SEE AT ALL | 3 |
0.1%
|
Sysmiss | 55 |
2%
|