Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 2180 |
78%
|
2 | SOME DIFFICULTY | 524 |
18.8%
|
3 | A LOT OF DIFFICULTY | 30 |
1.1%
|
4 | CANNOT SEE AT ALL | 4 |
0.1%
|
9 | NO RESPONSE | 1 |
0%
|
Sysmiss | 55 |
2%
|