| Value | Category | Cases | |
|---|---|---|---|
| 40 | 2 |
9.5%
|
|
| 50 | 8 |
38.1%
|
|
| 60 | 9 |
42.9%
|
|
| 70 | 2 |
9.5%
|
|
| Sysmiss | 828 |