| Value | Category | Cases | |
|---|---|---|---|
| 17 | 5 |
3%
|
|
| 18 | 15 |
9.1%
|
|
| 19 | 24 |
14.5%
|
|
| 20 | 26 |
15.8%
|
|
| 21 | 32 |
19.4%
|
|
| 22 | 39 |
23.6%
|
|
| 23 | 19 |
11.5%
|
|
| 24 | 5 |
3%
|
|
| Sysmiss | 70471 |