| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 195 |
32.1%
|
| 15 | 15 | 243 |
40%
|
| 30 | 30 | 157 |
25.9%
|
| 45 | 45 | 12 |
2%
|
| Sysmiss | 41405 |