Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 4127 |
61.1%
|
2 | SOME DIFFICULTY | 60 |
0.9%
|
3 | A LOT OF DIFFICULTY | 5 |
0.1%
|
4 | CANNOT SEE AT ALL | 4 |
0.1%
|
Sysmiss | 2553 |
37.8%
|