| Value | Category | Cases | |
|---|---|---|---|
| 30 | 1 |
2.6%
|
|
| 35 | 5 |
13.2%
|
|
| 40 | 26 |
68.4%
|
|
| 50 | 6 |
15.8%
|
|
| Sysmiss | 811 |