| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 |
65.5%
|
|
| 10 | 3 |
5.5%
|
|
| 20 | 1 |
1.8%
|
|
| 30 | 14 |
25.5%
|
|
| 50 | 1 |
1.8%
|
|
| Sysmiss | 4719 |