Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1698 |
54.4%
|
2 | Minor difficulty | 470 |
15.1%
|
3 | Big difficulty | 584 |
18.7%
|
8 | Not applicable | 349 |
11.2%
|
9 | Don’t know | 6 |
0.2%
|
Sysmiss | 15 |