Value | Category | Cases | |
---|---|---|---|
0 | neither certificate or registered | 308 |
2%
|
1 | has certificate | 346 |
2.2%
|
2 | registered | 82 |
0.5%
|
8 | don't know | 15 |
0.1%
|
9 | 9 |
0.1%
|
|
11 | .Z | 14907 |