Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1652 |
52.9%
|
2 | Minor difficulty | 28 |
0.9%
|
3 | Big difficulty | 104 |
3.3%
|
8 | Not applicable | 1310 |
42%
|
9 | Don’t know | 13 |
0.4%
|
Sysmiss | 15 |