| Value | Category | Cases | |
|---|---|---|---|
| 1 | primary | 22 |
0.4%
|
| 2 | preparatory | 109 |
1.9%
|
| 3 | secondary | 1371 |
23.5%
|
| 4 | above intermediate | 159 |
2.7%
|
| 5 | university | 4024 |
69%
|
| 6 | above university | 146 |
2.5%
|
| 9 | missing | 1 |
0%
|
| Sysmiss | 45476 |