| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 105 |
3.5%
|
| 2 | Primary | 1361 |
45.6%
|
| 3 | Secondary | 892 |
29.9%
|
| 4 | Higher | 347 |
11.6%
|
| 9 | Missing/DK | 2 |
0.1%
|
| Sysmiss | 278 |
9.3%
|