Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 9909 |
97.3%
|
2 | SOME DIFFICULTY | 239 |
2.3%
|
3 | A LOT OF DIFFICULTY | 24 |
0.2%
|
4 | CANNOT SEE AT ALL | 4 |
0%
|
9 | NO RESPONSE | 4 |
0%
|
Sysmiss | 6509 |