| Value | Category | Cases | |
|---|---|---|---|
| 15 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| 30 | 3 |
0.8%
|
|
| 31 | 369 |
98.4%
|