| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4097 |
43.7%
|
| 2 | Primary | 2219 |
23.7%
|
| 3 | Secondary | 1815 |
19.4%
|
| 4 | Higher | 993 |
10.6%
|
| 9 | Missing/DK | 255 |
2.7%
|