| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 12 | 73 |
12.2%
|
|
| 15 | 64 |
10.7%
|
|
| 18 | 28 |
4.7%
|
|
| 21 | 378 |
63%
|
|
| 3 | 7 |
1.2%
|
|
| 6 | 6 |
1%
|
|
| 9 | 43 |
7.2%
|