| Value | Category | Cases | |
|---|---|---|---|
| 15 | 2 |
3.4%
|
|
| 20 | 13 |
22%
|
|
| 30 | 19 |
32.2%
|
|
| 32 | 3 |
5.1%
|
|
| 40 | 14 |
23.7%
|
|
| 50 | 8 |
13.6%
|
|
| Sysmiss | 948 |