| Value | Category | Cases | |
|---|---|---|---|
| 17 | 1 |
1.7%
|
|
| 18 | 5 |
8.6%
|
|
| 19 | 5 |
8.6%
|
|
| 20 | 14 |
24.1%
|
|
| 21 | 6 |
10.3%
|
|
| 22 | 21 |
36.2%
|
|
| 23 | 6 |
10.3%
|
|
| Sysmiss | 70578 |