| Value | Category | Cases | |
|---|---|---|---|
| 50 | 4 |
28.6%
|
|
| 60 | 6 |
42.9%
|
|
| 70 | 1 |
7.1%
|
|
| 80 | 3 |
21.4%
|
|
| Sysmiss | 343 |