| Value | Category | Cases | |
|---|---|---|---|
| 0 | 452 |
3.2%
|
|
| 5 | 1791 |
12.5%
|
|
| 10 | 1653 |
11.6%
|
|
| 15 | 2369 |
16.6%
|
|
| 20 | 3092 |
21.7%
|
|
| 25 | 4917 |
34.4%
|
|
| Sysmiss | 2166 |