Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 1249 |
98.3%
|
2 | SOME DIFFICULTY | 19 |
1.5%
|
3 | A LOT OF DIFFICULTY | 2 |
0.2%
|
4 | CANNOT SEE AT ALL | 0 |
0%
|
9 | NO RESPONSE | 1 |
0.1%
|
Sysmiss | 918 |