Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 1602 |
96.2%
|
2 | SOME DIFFICULTY | 21 |
1.3%
|
3 | A LOT OF DIFFICULTY | 4 |
0.2%
|
4 | CANNOT SEE AT ALL | 1 |
0.1%
|
Sysmiss | 38 |
2.3%
|