| Value | Category | Cases | |
|---|---|---|---|
| 1 | One | 2343 | 
                                    
                                    9.2%
                                 | 
| 2 | Two | 1056 | 
                                    
                                    4.1%
                                 | 
| 3 | Three or more | 609 | 
                                    
                                    2.4%
                                 | 
| 4 | None | 21576 | 
                                    
                                    84.3%
                                 |