| Value | Category | Cases | |
|---|---|---|---|
| 0 | 406 |
3%
|
|
| 5 | 1462 |
10.8%
|
|
| 10 | 1544 |
11.4%
|
|
| 15 | 2582 |
19%
|
|
| 20 | 3246 |
23.9%
|
|
| 25 | 4316 |
31.8%
|
|
| Sysmiss | 731 |