| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 2211 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 2 | Totally stopped | 1575 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    
| 3 | Reduced | 228 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 4 | Increased | 15 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 41920 |