Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1092 |
49.5%
|
2 | Minor difficult | 18 |
0.8%
|
3 | Big difficulty | 20 |
0.9%
|
8 | NA | 1066 |
48.4%
|
9 | I don’t know | 3 |
0.1%
|
Sysmiss | 5 |