| Value | Category | Cases | |
|---|---|---|---|
| 50 | 8 |
22.2%
|
|
| 60 | 10 |
27.8%
|
|
| 70 | 5 |
13.9%
|
|
| 80 | 1 |
2.8%
|
|
| 100 | 12 |
33.3%
|
|
| Sysmiss | 973 |