Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 2120 |
61%
|
2 | SOME DIFFICULTY | 45 |
1.3%
|
3 | A LOT OF DIFFICULTY | 4 |
0.1%
|
4 | CANNOT SEE AT ALL | 5 |
0.1%
|
9 | NO RESPONSE | 3 |
0.1%
|
Sysmiss | 1297 |
37.3%
|