| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
1.6%
|
|
| 5 | 154 |
5.7%
|
|
| 10 | 258 |
9.6%
|
|
| 15 | 674 |
25%
|
|
| 20 | 871 |
32.4%
|
|
| 25 | 692 |
25.7%
|
|
| Sysmiss | 13748 |