| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
25%
|
|
| 15 | 1 |
6.3%
|
|
| 30 | 7 |
43.8%
|
|
| 35 | 1 |
6.3%
|
|
| 40 | 2 |
12.5%
|
|
| 50 | 1 |
6.3%
|
|
| Sysmiss | 384 |