| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
3.4%
|
|
| 10 | 2 |
6.9%
|
|
| 12 | 10 |
34.5%
|
|
| 13 | 7 |
24.1%
|
|
| 14 | 6 |
20.7%
|
|
| 15 | 2 |
6.9%
|
|
| 18 | 1 |
3.4%
|
|
| Sysmiss | 172 |