| Value | Category | Cases | |
|---|---|---|---|
| 9 | 1 |
9.1%
|
|
| 11 | 3 |
27.3%
|
|
| 12 | 3 |
27.3%
|
|
| 13 | 3 |
27.3%
|
|
| 15 | 1 |
9.1%
|
|
| Sysmiss | 2953 |