| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-3 | 456 | 
                                    
                                    16%
                                 | 
| 2 | 4-5 | 552 | 
                                    
                                    19.4%
                                 | 
| 3 | 6-7 | 686 | 
                                    
                                    24.1%
                                 | 
| 4 | 8-9 | 560 | 
                                    
                                    19.6%
                                 | 
| 5 | 10 or more | 597 | 
                                    
                                    20.9%
                                 |