| Value | Category | Cases | |
|---|---|---|---|
| 15 | 1 |
2.8%
|
|
| 20 | 1 |
2.8%
|
|
| 30 | 6 |
16.7%
|
|
| 35 | 1 |
2.8%
|
|
| 40 | 15 |
41.7%
|
|
| 41 | 2 |
5.6%
|
|
| 50 | 8 |
22.2%
|
|
| 60 | 1 |
2.8%
|
|
| 70 | 1 |
2.8%
|
|
| Sysmiss | 604 |