| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 1907 |
40%
|
| 15 | 15 | 1101 |
23.1%
|
| 30 | 30 | 1536 |
32.2%
|
| 45 | 45 | 220 |
4.6%
|
| Sysmiss | 37248 |