| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 7062 |
10.8%
|
| 2 | Primary | 38807 |
59.3%
|
| 3 | Secondary | 12767 |
19.5%
|
| 4 | Higher | 6606 |
10.1%
|
| 9 | Missing/DK | 255 |
0.4%
|