| Value | Category | Cases | |
|---|---|---|---|
| 1 | better than usual | 1784 | 
                                                                 
                                    
                                    22.6%
                                 
                                                             | 
                                                        
                    
| 2 | No difference (as usual) | 4371 | 
                                                                 
                                    
                                    55.3%
                                 
                                                             | 
                                                        
                    
| 3 | Worse than usual | 1568 | 
                                                                 
                                    
                                    19.8%
                                 
                                                             | 
                                                        
                    
| 4 | Much worse than usual | 184 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2 |