Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 10852 |
75.9%
|
2 | SOME DIFFICULTY | 854 |
6%
|
3 | A LOT OF DIFFICULTY | 72 |
0.5%
|
4 | CANNOT SEE AT ALL | 5 |
0%
|
9 | NO RESPONSE | 7 |
0%
|
Sysmiss | 2507 |
17.5%
|