| Value | Category | Cases | |
|---|---|---|---|
| 14 | 4 |
10.5%
|
|
| 15 | 7 |
18.4%
|
|
| 16 | 6 |
15.8%
|
|
| 17 | 4 |
10.5%
|
|
| 18 | 8 |
21.1%
|
|
| 19 | 4 |
10.5%
|
|
| 20 | 3 |
7.9%
|
|
| 21 | 2 |
5.3%
|
|
| Sysmiss | 61 |