| Value | Category | Cases | |
|---|---|---|---|
| 40 | 1 |
6.7%
|
|
| 50 | 4 |
26.7%
|
|
| 60 | 8 |
53.3%
|
|
| 70 | 2 |
13.3%
|
|
| Sysmiss | 834 |