| Value | Category | Cases | |
|---|---|---|---|
| -1 | Age unknown | 783 |
3.4%
|
| 0 | Not of education age | 5019 |
21.9%
|
| 1 | Currently enrolled | 6015 |
26.2%
|
| 2 | Previously enrolled | 3368 |
14.7%
|
| 3 | Never enrolled | 7747 |
33.8%
|
| Sysmiss | 72 |