| Value | Category | Cases | |
|---|---|---|---|
| 0 | 145 |
67.4%
|
|
| 1 | 46 |
21.4%
|
|
| 2 | 15 |
7%
|
|
| 3 | 7 |
3.3%
|
|
| 7 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|