| Value | Category | Cases | |
|---|---|---|---|
| 9 | 1307 |
10.1%
|
|
| 10 | 3991 |
30.7%
|
|
| 11 | 4392 |
33.8%
|
|
| 12 | 3297 |
25.4%
|
|
| Sysmiss | 3594 |