| Value | Category | Cases | |
|---|---|---|---|
| 9 | 1307 |
10.1%
|
|
| 10 | 5005 |
38.5%
|
|
| 11 | 4346 |
33.5%
|
|
| 12 | 2329 |
17.9%
|
|
| Sysmiss | 3594 |