| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 - 5 grade | 63657 |
33.3%
|
| 2 | 6 - 11 grade | 100800 |
52.7%
|
| 3 | 12 - 13 grade | 14208 |
7.4%
|
| 4 | Administration/supervision | 8596 |
4.5%
|
| 5 | Other | 3863 |
2%
|
| Sysmiss | 3689 |