| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
18.8%
|
|
| 1 | 1 |
6.3%
|
|
| 10 | 1 |
6.3%
|
|
| 20 | 1 |
6.3%
|
|
| 30 | 6 |
37.5%
|
|
| 40 | 3 |
18.8%
|
|
| 50 | 1 |
6.3%
|
|
| Sysmiss | 1321 |