Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1721 |
78.1%
|
2 | Minor difficult | 203 |
9.2%
|
3 | Big difficulty | 150 |
6.8%
|
8 | NA | 124 |
5.6%
|
9 | I don’t know | 4 |
0.2%
|
Sysmiss | 2 |