| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
4.5%
|
|
| 10 | 2 |
9.1%
|
|
| 11 | 4 |
18.2%
|
|
| 12 | 9 |
40.9%
|
|
| 13 | 6 |
27.3%
|
|
| Sysmiss | 378 |