| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 43 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    
| 2 | No | 16 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 3 | Self | 437 | 
                                                                 
                                    
                                    86.4%
                                 
                                                             | 
                                                        
                    
| 4 | Wage | 10 | 
                                                                 
                                    
                                    2%
                                 
                                                             |