| Value | Category | 
                                    
                    
                        | 1 | Public | 
                                    
                    
                        | 2 | Private big | 
                                    
                    
                        | 3 | Private small | 
                                    
                    
                        | 4 | Cooperative big | 
                                    
                    
                        | 5 | Cooperative small | 
                                    
                    
                        | 6 | NGO/Association | 
                                    
                    
                        | 7 | Family | 
                                    
                    
                        | 8 | Mixed | 
                                    
                    
                        | 9 | Don't know | 
                                    
                    
                        | 99 | N/R | 
                                    
                    
                        | 999 | N/A | 
                            
            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.