Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 713 |
85%
|
2 | SOME DIFFICULTY | 48 |
5.7%
|
3 | A LOT OF DIFFICULTY | 9 |
1.1%
|
4 | CANNOT SEE AT ALL | 1 |
0.1%
|
Sysmiss | 68 |
8.1%
|