| Value | Category | 
                                    
                    
                        | 1 | 1. Call providers | 
                                    
                    
                        | 2 | 2. Call farmers | 
                                    
                    
                        | 3 | 3. Mouth to mouth | 
                                    
                    
                        | 4 | 4. SMS providers | 
                                    
                    
                        | 5 | 5. SMS farmers | 
                                    
                    
                        | 6 | 6. Other (specify) | 
                            
            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.