| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6th | 262 |
17.7%
|
| 2 | 7th | 218 |
14.7%
|
| 3 | 8th | 226 |
15.3%
|
| 4 | 9th | 219 |
14.8%
|
| 5 | 10th | 191 |
12.9%
|
| 6 | 11th | 184 |
12.4%
|
| 7 | 12th | 173 |
11.7%
|
| 8 | Ungraded or other grade | 5 |
0.3%
|
| Sysmiss | 6 |