Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 851 |
98.8%
|
2 | SOME DIFFICULTY | 8 |
0.9%
|
3 | A LOT OF DIFFICULTY | 2 |
0.2%
|
4 | CANNOT SEE AT ALL | 0 |
0%
|
9 | NO RESPONSE | 0 |
0%
|
Sysmiss | 517 |