| Value | Category | Cases | |
|---|---|---|---|
| 1 | PRIMARY | 2 |
0.2%
|
| 2 | LOWER SECONDARY | 50 |
5.7%
|
| 3 | UPPER SECONDARY | 37 |
4.2%
|
| 4 | HIGHER | 8 |
0.9%
|
| Sysmiss | 777 |
88.9%
|