Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 989 |
68.1%
|
2 | SOME DIFFICULTY | 49 |
3.4%
|
3 | A LOT OF DIFFICULTY | 9 |
0.6%
|
4 | CANNOT SEE AT ALL | 1 |
0.1%
|
Sysmiss | 405 |
27.9%
|