| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 | 29024 |
72.6%
|
| 15 | 15 | 442 |
1.1%
|
| 30 | 30 | 10164 |
25.4%
|
| 45 | 45 | 338 |
0.8%
|
| Sysmiss | 2452 |