| Value | Category | Cases | |
|---|---|---|---|
| 0 | 70 | 
                                    
                                    3.3%
                                 | |
| 1 | Lowest | 260 | 
                                    
                                    12.1%
                                 | 
| 2 | Second | 243 | 
                                    
                                    11.3%
                                 | 
| 3 | Middle | 237 | 
                                    
                                    11%
                                 | 
| 4 | Fourth | 249 | 
                                    
                                    11.6%
                                 | 
| 5 | Highest | 269 | 
                                    
                                    12.5%
                                 | 
| Sysmiss | 825 | 
                                    
                                    38.3%
                                 |