| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 13 |
1.1%
|
| 1 | Primary | 1069 |
90.3%
|
| 2 | Secondary | 99 |
8.4%
|
| 4 | Higher | 1 |
0.1%
|
| 9 | No response | 2 |
0.2%
|
| Sysmiss | 1835 |