| Value | Category | Cases | |
|---|---|---|---|
| 14 | 1 |
2.9%
|
|
| 15 | 1 |
2.9%
|
|
| 16 | 5 |
14.7%
|
|
| 17 | 10 |
29.4%
|
|
| 18 | 9 |
26.5%
|
|
| 19 | 3 |
8.8%
|
|
| 20 | 5 |
14.7%
|
|
| Sysmiss | 167 |