| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. NONE | 10935 |
74.4%
|
| 1 | 1. PRIMARY | 1834 |
12.5%
|
| 2 | 2. SECONDARY | 1277 |
8.7%
|
| 3 | 3. TERTIARY | 660 |
4.5%
|
| Sysmiss | 2180 |