| Value | Category | Cases | |
|---|---|---|---|
| 1 | PRIMARY | 2 |
0.1%
|
| 2 | LOWER SECONDARY | 77 |
4.5%
|
| 3 | UPPER SECONDARY | 79 |
4.6%
|
| 4 | HIGHER | 19 |
1.1%
|
| Sysmiss | 1544 |
89.7%
|