Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 2190 |
96.9%
|
2 | SOME DIFFICULTY | 64 |
2.8%
|
3 | A LOT OF DIFFICULTY | 6 |
0.3%
|
4 | CANNOT SEE AT ALL | 1 |
0%
|
9 | NO RESPONSE | 0 |
0%
|
Sysmiss | 11 |