Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 1584 |
84.9%
|
2 | SOME DIFFICULTY | 252 |
13.5%
|
3 | A LOT OF DIFFICULTY | 29 |
1.6%
|
4 | CANNOT SEE AT ALL | 1 |
0.1%
|
9 | NO RESPONSE | 0 |
0%
|
Sysmiss | 287 |