| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 157 |
17.4%
|
| 1 | 1 | 264 |
29.3%
|
| 2 | 2 | 287 |
31.9%
|
| 3 | 3 | 141 |
15.7%
|
| 4 | 4 or more | 51 |
5.7%
|