| Value | Category | Cases | |
|---|---|---|---|
| 1 | primary | 8796 |
56.6%
|
| 2 | lowest secondary | 4150 |
26.7%
|
| 3 | upper secondary | 1991 |
12.8%
|
| 4 | higher | 614 |
3.9%
|
| 11 | .Z | 3203 |