Value | Category | Cases | |
---|---|---|---|
0 | neither certificate or registered | 612 |
3.9%
|
1 | has certificate | 923 |
5.9%
|
2 | registered | 181 |
1.2%
|
8 | don't know | 18 |
0.1%
|
9 | 25 |
0.2%
|
|
11 | .Z | 13908 |