Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 4652 |
56.4%
|
2 | Minor difficult | 380 |
4.6%
|
3 | Big difficulty | 1194 |
14.5%
|
8 | NA | 1804 | |
9 | I don’t know | 197 | |
Sysmiss | 17 |