Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 4815 |
87.9%
|
2 | SOME DIFFICULTY | 472 |
8.6%
|
3 | A LOT OF DIFFICULTY | 59 |
1.1%
|
4 | CANNOT SEE AT ALL | 10 |
0.2%
|
9 | NO RESPONSE | 3 |
0.1%
|
Sysmiss | 120 |
2.2%
|