| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 700 |
17.5%
|
| 1 | primary incomplete (< 7) | 974 |
24.4%
|
| 2 | primary complete/secy inc (7-11) | 1872 |
46.9%
|
| 3 | secy complete/higher (12+) | 443 |
11.1%
|