| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
1.2%
|
|
| 12 | 21 |
4%
|
|
| 15 | 9 |
1.7%
|
|
| 18 | 14 |
2.7%
|
|
| 21 | 461 |
88.5%
|
|
| 3 | 2 |
0.4%
|
|
| 6 | 1 |
0.2%
|
|
| 9 | 7 |
1.3%
|