| Value | Category | Cases | |
|---|---|---|---|
| 1 | Form VI | 1 |
0.1%
|
| 2 | Form IV | 14 |
1.4%
|
| 3 | Form VI | 122 |
12.2%
|
| 4 | Graduated | 3 |
0.3%
|
| Sysmiss | 859 |