| Value | Category | Cases | |
|---|---|---|---|
| 1 | 25% or less | 1327 | 
                                                                 
                                    
                                    40.1%
                                 
                                                             | 
                                                        
                    
| 2 | 26% to 50% | 621 | 
                                                                 
                                    
                                    18.8%
                                 
                                                             | 
                                                        
                    
| 3 | 51% to 75% | 451 | 
                                                                 
                                    
                                    13.6%
                                 
                                                             | 
                                                        
                    
| 4 | more than 75% | 910 | 
                                                                 
                                    
                                    27.5%
                                 
                                                             |