| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 | 1548 |
66.4%
|
| 15 | 15 | 44 |
1.9%
|
| 30 | 30 | 699 |
30%
|
| 45 | 45 | 41 |
1.8%
|
| Sysmiss | 2890 |