| Value | Category | Cases | |
|---|---|---|---|
| 1 | 643 |
14.6%
|
|
| 6 | 659 |
15%
|
|
| 7 | 633 |
14.4%
|
|
| 17 | 1231 |
27.9%
|
|
| 18 | 1241 |
28.2%
|
|
| Sysmiss | 11 |