Value | Category | Cases | |
---|---|---|---|
1 | Cannot at all | 20 |
0.1%
|
2 | Can with alot of difficulty | 72 |
0.3%
|
3 | Can with some difficulty | 212 |
1%
|
4 | No difficulty | 19941 |
92.6%
|
5 | Too young (less than 3 years old) | 1295 |
6%
|
Sysmiss | 1138 |