Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 2885 |
29.1%
|
2 | Minor difficulty | 353 |
3.6%
|
3 | Big difficulty | 707 |
7.1%
|
8 | Not applicable | 4025 |
40.6%
|
9 | Don’t know | 1949 |
19.6%
|
Sysmiss | 7 |