| Value | Category | Cases | |
|---|---|---|---|
| 0 | No change | 6 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 1 | Increased | 4 | 
                                                                 
                                    
                                    15.4%
                                 
                                                             | 
                                                        
                    
| 2 | Decreased | 16 | 
                                                                 
                                    
                                    61.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2921 |