Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 654 |
29.7%
|
2 | Minor difficult | 96 |
4.4%
|
3 | Big difficulty | 136 |
6.2%
|
8 | NA | 342 |
15.5%
|
9 | I don’t know | 21 |
1%
|
Sysmiss | 955 |