| Value | Category | Cases | |
|---|---|---|---|
| 15 | 18 |
28.1%
|
|
| 16 | 9 |
14.1%
|
|
| 17 | 8 |
12.5%
|
|
| 18 | 7 |
10.9%
|
|
| 19 | 12 |
18.8%
|
|
| 20 | 4 |
6.3%
|
|
| 22 | 1 |
1.6%
|
|
| 23 | 2 |
3.1%
|
|
| 24 | 1 |
1.6%
|
|
| 28 | 2 |
3.1%
|
|
| Sysmiss | 6581 |