| Value | Category | 
                                    
                    
                        | 1 | Cash | 
                                    
                    
                        | 2 | Loan from provider | 
                                    
                    
                        | 3 | Payment in kind | 
                                    
                    
                        | 4 | By providing labour services | 
                                    
                    
                        | 5 | No payment | 
                                    
                    
                        | 6 | Other | 
                                    
                    
                        | 9 | Don't know | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.