Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 4562 |
53.5%
|
2 | SOME DIFFICULTY | 850 |
10%
|
3 | A LOT OF DIFFICULTY | 216 |
2.5%
|
4 | CANNOT SEE AT ALL | 3 |
0%
|
9 | NO RESPONSE | 1 |
0%
|
Sysmiss | 2889 |
33.9%
|