| Value | Category | Cases | |
|---|---|---|---|
| 10 | 4 |
30.8%
|
|
| 20 | 2 |
15.4%
|
|
| 25 | 1 |
7.7%
|
|
| 30 | 3 |
23.1%
|
|
| 40 | 1 |
7.7%
|
|
| 60 | 2 |
15.4%
|
|
| Missing value | 244 |