| Value | Category | Cases | |
|---|---|---|---|
| 6 | 4 |
7.1%
|
|
| 17 | 3 |
5.4%
|
|
| 18 | 25 |
44.6%
|
|
| 19 | 18 |
32.1%
|
|
| 20 | 2 |
3.6%
|
|
| 22 | 1 |
1.8%
|
|
| 23 | 1 |
1.8%
|
|
| 24 | 1 |
1.8%
|
|
| 26 | 1 |
1.8%
|
|
| Sysmiss | 943 |