| Value | Category | Cases | |
|---|---|---|---|
| 17 | 5 |
4.8%
|
|
| 18 | 12 |
11.4%
|
|
| 19 | 19 |
18.1%
|
|
| 20 | 20 |
19%
|
|
| 21 | 28 |
26.7%
|
|
| 22 | 19 |
18.1%
|
|
| 23 | 2 |
1.9%
|
|
| Sysmiss | 70531 |