| Value | Category | Cases | |
|---|---|---|---|
| 17 | 1 |
1.3%
|
|
| 18 | 5 |
6.4%
|
|
| 19 | 4 |
5.1%
|
|
| 20 | 20 |
25.6%
|
|
| 21 | 12 |
15.4%
|
|
| 22 | 25 |
32.1%
|
|
| 23 | 10 |
12.8%
|
|
| 24 | 1 |
1.3%
|
|
| Sysmiss | 70558 |