| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 21 |
5.5%
|
| 2 | 1 | 75 |
19.7%
|
| 3 | 2 or 3 | 179 |
47.1%
|
| 4 | 4 or more | 105 |
27.6%
|