| Value | Category | Cases | |
|---|---|---|---|
| 0 | 133 |
33.3%
|
|
| 11 | 161 |
40.3%
|
|
| 21 | 50 |
12.5%
|
|
| 31 | 24 |
6%
|
|
| 41 | 32 |
8%
|