| Value | Category | Cases | |
|---|---|---|---|
| 1 | <= 200 | 227 | 
                                    
                                    8%
                                 | 
| 2 | 201-300 | 332 | 
                                    
                                    11.6%
                                 | 
| 3 | 301-400 | 462 | 
                                    
                                    16.2%
                                 | 
| 4 | 401-550 | 597 | 
                                    
                                    20.9%
                                 | 
| 5 | 551-700 | 448 | 
                                    
                                    15.7%
                                 | 
| 6 | 701-1000 | 461 | 
                                    
                                    16.2%
                                 | 
| 7 | 1001 or more | 324 | 
                                    
                                    11.4%
                                 |