Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 6881 |
90.2%
|
2 | SOME DIFFICULTY | 499 |
6.5%
|
3 | A LOT OF DIFFICULTY | 62 |
0.8%
|
4 | CANNOT SEE AT ALL | 3 |
0%
|
Sysmiss | 183 |
2.4%
|