| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 671 |
3.3%
|
| 2 | Primary | 6484 |
32%
|
| 3 | Secondary | 11102 |
54.8%
|
| 4 | Higher | 1978 |
9.8%
|
| 9 | Missing/DK | 13 |
0.1%
|