| Value | Category | Cases | |
|---|---|---|---|
| 1 | 25% or less | 462 | 
                                    
                                    46.2%
                                 | 
| 2 | 26% to 50% | 133 | 
                                    
                                    13.3%
                                 | 
| 3 | 51% to 75% | 76 | 
                                    
                                    7.6%
                                 | 
| 4 | more than 75% | 329 | 
                                    
                                    32.9%
                                 |