| Value | Category | Cases | |
|---|---|---|---|
| 6 | 3 |
13.6%
|
|
| 7 | 1 |
4.5%
|
|
| 8 | 1 |
4.5%
|
|
| 12 | 2 |
9.1%
|
|
| 15 | 5 |
22.7%
|
|
| 16 | 5 |
22.7%
|
|
| 17 | 3 |
13.6%
|
|
| 18 | 2 |
9.1%
|
|
| Sysmiss | 781 |