| Value | Category | Cases | |
|---|---|---|---|
| 30 | 1 |
1.1%
|
|
| 40 | 2 |
2.3%
|
|
| 50 | 32 |
36.8%
|
|
| 60 | 14 |
16.1%
|
|
| 70 | 27 |
31%
|
|
| 75 | 3 |
3.4%
|
|
| 80 | 7 |
8%
|
|
| 90 | 1 |
1.1%
|
|
| Sysmiss | 270 |