| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 23521 |
74.3%
|
| 15 | 15 | 2029 |
6.4%
|
| 30 | 30 | 5024 |
15.9%
|
| 45 | 45 | 1072 |
3.4%
|
| Sysmiss | 10366 |