| Value | Category | Cases | |
|---|---|---|---|
| 20 | 1 |
2.6%
|
|
| 40 | 1 |
2.6%
|
|
| 50 | 8 |
21.1%
|
|
| 60 | 11 |
28.9%
|
|
| 70 | 15 |
39.5%
|
|
| 80 | 1 |
2.6%
|
|
| 100 | 1 |
2.6%
|
|
| Sysmiss | 811 |