| Value | Category | Cases | |
|---|---|---|---|
| 40 | 1 |
5.3%
|
|
| 50 | 7 |
36.8%
|
|
| 60 | 8 |
42.1%
|
|
| 70 | 3 |
15.8%
|
|
| Sysmiss | 27 |