| Value | Category | Cases | |
|---|---|---|---|
| 6 | 160 |
2.4%
|
|
| 7 | 1030 |
15.5%
|
|
| 8 | 1450 |
21.9%
|
|
| 9 | 1605 |
24.2%
|
|
| 10 | 1671 |
25.2%
|
|
| 11 | 716 |
10.8%
|
|
| Sysmiss | 20970 |