Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 5000 |
91.3%
|
2 | SOME DIFFICULTY | 305 |
5.6%
|
3 | A LOT OF DIFFICULTY | 40 |
0.7%
|
4 | CANNOT SEE AT ALL | 12 |
0.2%
|
9 | NO RESPONSE | 2 |
0%
|
Sysmiss | 120 |
2.2%
|