Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 1227 |
99.2%
|
2 | SOME DIFFICULTY | 6 |
0.5%
|
3 | A LOT OF DIFFICULTY | 3 |
0.2%
|
4 | CANNOT SEE AT ALL | 0 |
0%
|
9 | NO RESPONSE | 1 |
0.1%
|
Sysmiss | 6757 |