Value | Category | Cases | |
---|---|---|---|
1 | Cannot at all | 46 |
0.2%
|
2 | Can with alot of difficulty | 169 |
0.8%
|
3 | Can with some difficulty | 624 |
2.9%
|
4 | No difficulty | 20699 |
96.1%
|
Sysmiss | 1140 |