Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 5007 |
91.4%
|
2 | SOME DIFFICULTY | 312 |
5.7%
|
3 | A LOT OF DIFFICULTY | 31 |
0.6%
|
4 | CANNOT SEE AT ALL | 9 |
0.2%
|
Sysmiss | 120 |
2.2%
|