| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 69 |
9.1%
|
| 1 | Grd 1 | 8 |
1.1%
|
| 2 | Grd 2 | 13 |
1.7%
|
| 3 | Grd 3 | 13 |
1.7%
|
| 4 | Grd 4 | 24 |
3.2%
|
| 5 | grd 5 | 26 |
3.4%
|
| 6 | Grd 6 | 28 |
3.7%
|
| 7 | Grd 7 | 60 |
7.9%
|
| 8 | Grd 8 | 56 |
7.4%
|
| 9 | Grd 9 | 46 |
6.1%
|
| 10 | grd 10 | 108 |
14.3%
|
| 11 | Grd 11 | 111 |
14.7%
|
| 12 | Grd 12 | 146 |
19.3%
|
| 13 | More than Grd 12 (College) | 27 |
3.6%
|
| 99 | Unknown | 21 |
2.8%
|
| Sysmiss | 825 |