| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
7.4%
|
|
| 5 | 1 |
3.7%
|
|
| 10 | 5 |
18.5%
|
|
| 15 | 2 |
7.4%
|
|
| 20 | 7 |
25.9%
|
|
| 25 | 1 |
3.7%
|
|
| 30 | 5 |
18.5%
|
|
| 40 | 2 |
7.4%
|
|
| 50 | 2 |
7.4%
|
|
| Sysmiss | 447 |