| Value | Category | Cases | |
|---|---|---|---|
| 0 | 695 |
5.3%
|
|
| 5 | 2387 |
18.4%
|
|
| 10 | 2670 |
20.5%
|
|
| 15 | 2203 |
17%
|
|
| 20 | 1954 |
15%
|
|
| 25 | 3084 |
23.7%
|
|
| Sysmiss | 3577 |