| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
16.2%
|
|
| 10 | 4 |
5.9%
|
|
| 15 | 6 |
8.8%
|
|
| 20 | 3 |
4.4%
|
|
| 30 | 39 |
57.4%
|
|
| 35 | 1 |
1.5%
|
|
| 40 | 2 |
2.9%
|
|
| 45 | 2 |
2.9%
|
|
| Sysmiss | 135 |