Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 3381 |
34.1%
|
2 | Minor difficulty | 78 |
0.8%
|
3 | Big difficulty | 210 |
2.1%
|
8 | Not applicable | 6232 |
62.8%
|
9 | Don’t know | 18 |
0.2%
|
Sysmiss | 7 |