| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 16 | 
                                    
                                    27.6%
                                 | 
| 2 | the same as usual | 29 | 
                                    
                                    50%
                                 | 
| 3 | less than usual | 10 | 
                                    
                                    17.2%
                                 | 
| 4 | no income | 3 | 
                                    
                                    5.2%
                                 | 
| Sysmiss | 2824 |