| Value | Category | Cases | |
|---|---|---|---|
| 40 | 1 |
2.4%
|
|
| 50 | 6 |
14.6%
|
|
| 58 | 3 |
7.3%
|
|
| 60 | 31 |
75.6%
|
|
| Sysmiss | 968 |