| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 148 |
18.4%
|
| 1 | primary incomplete (< 7) | 194 |
24.1%
|
| 2 | primary complete/secy inc (7-11) | 334 |
41.5%
|
| 3 | secy complete/higher (12+) | 129 |
16%
|