Value | Category | Cases | |
---|---|---|---|
0 | neither certificate or registered | 219 |
1.4%
|
1 | has certificate | 247 |
1.6%
|
2 | registered | 44 |
0.3%
|
8 | don't know | 8 |
0.1%
|
9 | 3 |
0%
|
|
11 | .Z | 15146 |