| Value | Category | Cases | |
|---|---|---|---|
| 0 | 110 |
27.6%
|
|
| 10 | 5 |
1.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 154 |
38.7%
|
|
| 25 | 2 |
0.5%
|
|
| 30 | 99 |
24.9%
|
|
| 40 | 9 |
2.3%
|
|
| 50 | 18 |
4.5%
|
|
| Sysmiss | 2 |