| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased sharply | 75 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 2 | Increased slightly | 961 | 
                                                                 
                                    
                                    34.2%
                                 
                                                             | 
                                                        
                    
| 3 | Remained unchanged | 1268 | 
                                                                 
                                    
                                    45.1%
                                 
                                                             | 
                                                        
                    
| 4 | Decreased slightly | 437 | 
                                                                 
                                    
                                    15.6%
                                 
                                                             | 
                                                        
                    
| 5 | Decreased sharply | 69 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             |