| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 728 |
4.7%
|
| 2 | Primary | 4434 |
28.4%
|
| 3 | Secondary | 6593 |
42.2%
|
| 4 | Higher | 3627 |
23.2%
|
| 9 | Missing/DK | 67 |
0.4%
|
| Sysmiss | 158 |
1%
|