| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.3%
|
|
| 18 | 179 |
45.4%
|
|
| 19 | 38 |
9.6%
|
|
| 2 | 50 |
12.7%
|
|
| 20 | 82 |
20.8%
|
|
| 4 | 43 |
10.9%
|
|
| 7 | 1 |
0.3%
|