| Value | Category | Cases | |
|---|---|---|---|
| 14 | 2 |
1.6%
|
|
| 15 | 7 |
5.6%
|
|
| 16 | 11 |
8.7%
|
|
| 17 | 21 |
16.7%
|
|
| 18 | 45 |
35.7%
|
|
| 19 | 15 |
11.9%
|
|
| 20 | 25 |
19.8%
|
|
| Sysmiss | 153 |