| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 79 |
30.6%
|
| 15 | 15 | 104 |
40.3%
|
| 30 | 30 | 71 |
27.5%
|
| 45 | 45 | 4 |
1.6%
|
| Sysmiss | 41754 |