| Value | Category | 
                                    
                    
                        | 1 | Project identification | 
                                    
                    
                        | 2 | Money | 
                                    
                    
                        | 3 | Labour | 
                                    
                    
                        | 4 | Materials | 
                                    
                    
                        | 5 | Management | 
                                    
                    
                        | 6 | Other | 
                                    
                    
                        | 7 | Not applicable | 
                            
            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.