Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 15 |
0.3%
|
2 | SOME DIFFICULTY | 6 |
0.1%
|
3 | A LOT OF DIFFICULTY | 8 |
0.1%
|
4 | CANNOT SEE AT ALL | 7 |
0.1%
|
9 | NO RESPONSE | 1 |
0%
|
Sysmiss | 5442 |
99.3%
|