| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
30%
|
|
| 15 | 1 |
5%
|
|
| 30 | 8 |
40%
|
|
| 35 | 1 |
5%
|
|
| 40 | 2 |
10%
|
|
| 50 | 2 |
10%
|
|
| Sysmiss | 380 |