| Value | Category | Cases | |
|---|---|---|---|
| 1 | Lowest | 672 | 
                                    
                                    8%
                                 | 
| 2 | Second | 647 | 
                                    
                                    7.7%
                                 | 
| 3 | Middle | 659 | 
                                    
                                    7.8%
                                 | 
| 4 | Fourth | 642 | 
                                    
                                    7.6%
                                 | 
| 5 | Highest | 564 | 
                                    
                                    6.7%
                                 | 
| Sysmiss | 5218 | 
                                    
                                    62.1%
                                 |