Value | Category | Cases | |
---|---|---|---|
0 | neither certificate or registered | 433 |
2.8%
|
1 | has certificate | 592 |
3.8%
|
2 | registered | 116 |
0.7%
|
8 | don't know | 22 |
0.1%
|
9 | 6 |
0%
|
|
11 | .Z | 14498 |