Value | Category | Cases | |
---|---|---|---|
0 | Neither certificate or registered | 81 |
34.2%
|
1 | Has certificate | 46 |
19.4%
|
2 | Registered | 104 |
43.9%
|
8 | Don't know | 6 |
2.5%
|
9 | 13 | ||
Sysmiss | 36180 |