| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 2997 |
20.1%
|
| 1 | primary incomplete (< 7) | 4227 |
28.3%
|
| 2 | primary complete/secy inc (7-11) | 6394 |
42.8%
|
| 3 | secy complete/higher (12+) | 1328 |
8.9%
|