| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
5.3%
|
|
| 9 | 2 |
10.5%
|
|
| 10 | 7 |
36.8%
|
|
| 11 | 5 |
26.3%
|
|
| 12 | 4 |
21.1%
|
|
| Sysmiss | 926 |