| Value | Category | Cases | |
|---|---|---|---|
| 1 | time spent decreased a lot | 48 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    
| 2 | time spent decreased | 162 | 
                                                                 
                                    
                                    25.6%
                                 
                                                             | 
                                                        
                    
| 3 | no change | 276 | 
                                                                 
                                    
                                    43.7%
                                 
                                                             | 
                                                        
                    
| 4 | time spent increased | 131 | 
                                                                 
                                    
                                    20.7%
                                 
                                                             | 
                                                        
                    
| 5 | time spent increased a lot | 15 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 121 |