| Value | Category | Cases | |
|---|---|---|---|
| 0 | 70 | 
                                    
                                    3.3%
                                 | |
| 1 | Lowest | 536 | 
                                    
                                    24.9%
                                 | 
| 2 | Second | 514 | 
                                    
                                    23.9%
                                 | 
| 3 | Middle | 338 | 
                                    
                                    15.7%
                                 | 
| 4 | Fourth | 346 | 
                                    
                                    16.1%
                                 | 
| 5 | Highest | 349 | 
                                    
                                    16.2%
                                 |