| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17675 |
90.7%
|
|
| 15 | 749 |
3.8%
|
|
| 30 | 634 |
3.3%
|
|
| 45 | 421 |
2.2%
|
|
| Sysmiss | 0 |