Value | Category | Cases | |
---|---|---|---|
0 | Neither certificate or registered | 6 |
35.3%
|
1 | Has certificate | 4 |
23.5%
|
2 | Registered | 6 |
35.3%
|
8 | Don't know | 1 |
5.9%
|
9 | 2 | ||
Sysmiss | 36411 |