Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 5102 |
59.9%
|
2 | SOME DIFFICULTY | 1126 |
13.2%
|
3 | A LOT OF DIFFICULTY | 220 |
2.6%
|
4 | CANNOT SEE AT ALL | 1 |
0%
|
9 | NO RESPONSE | 12 |
0.1%
|
Sysmiss | 2050 |
24.1%
|