| Value | Category | Cases | |
|---|---|---|---|
| 0 | 355 |
89%
|
|
| 15 | 2 |
0.5%
|
|
| 20 | 2 |
0.5%
|
|
| 30 | 26 |
6.5%
|
|
| 40 | 3 |
0.8%
|
|
| 45 | 10 |
2.5%
|
|
| 50 | 1 |
0.3%
|
|
| Sysmiss | 1 |