| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 1067 | 
                                                                 
                                    
                                    21.4%
                                 
                                                             | 
                                                        
                    
| 2 | Lower | 2471 | 
                                                                 
                                    
                                    49.4%
                                 
                                                             | 
                                                        
                    
| 3 | No difference | 911 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    
| 4 | N/A | 548 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 24 |