Value | Category | Cases | |
---|---|---|---|
0 | Neither certificate or registered | 552 |
37.1%
|
1 | Has certificate | 273 |
18.4%
|
2 | Registered | 625 |
42.1%
|
8 | Don't know | 36 |
2.4%
|
9 | 45 | ||
Sysmiss | 34899 |