| Value | Category | 
                                    
                    
                        | 0 | 1 - 1.30 am | 
                                    
                    
                        | 1 | 1.30 - 2 am | 
                                    
                    
                        | 2 | 2 - 2.30 am | 
                                    
                    
                        | 3 | 2.30 - 3 am | 
                                    
                    
                        | 4 | 3 - 3.30 am | 
                                    
                    
                        | 5 | 3.30 - 4 am | 
                                    
                    
                        | 6 | 4 - 4.30 am | 
                                    
                    
                        | 7 | 4.30 - 5 am | 
                                    
                    
                        | 8 | 5 - 5.30 am | 
                                    
                    
                        | 9 | 5.30 - 6 am | 
                                    
                    
                        | 10 | 6 - 6.30 am | 
                                    
                    
                        | 11 | 6.30 - 7 am | 
                                    
                    
                        | 12 | 7 - 7.30 am | 
                                    
                    
                        | 13 | 7.30 - 8 am | 
                                    
                    
                        | 14 | 8 - 8.30 am | 
                                    
                    
                        | 15 | 8.30 - 9 am | 
                                    
                    
                        | 16 | 9 - 9.30 am | 
                                    
                    
                        | 17 | 9.30 -10 am | 
                                    
                    
                        | 18 | 10 - 10.30 am | 
                                    
                    
                        | 19 | 10.30 - 11 am | 
                                    
                    
                        | 20 | 11 - 11.30 am | 
                                    
                    
                        | 21 | 11.30 - 12 am | 
                                    
                    
                        | 22 | 12 - 12.30 pm | 
                                    
                    
                        | 23 | 12.30 - 1 pm | 
                                    
                    
                        | 24 | 1 - 1.30 pm | 
                                    
                    
                        | 25 | 1.30 - 2 pm | 
                                    
                    
                        | 26 | 2 - 2.30 pm | 
                                    
                    
                        | 27 | 2.30 - 3 pm | 
                                    
                    
                        | 28 | 3 - 3.30 pm | 
                                    
                    
                        | 29 | 3.30 - 4 pm | 
                                    
                    
                        | 30 | 4 - 4.30 pm | 
                                    
                    
                        | 31 | 4.30 - 5 pm | 
                                    
                    
                        | 32 | 5 - 5.30 pm | 
                                    
                    
                        | 33 | 5.30 - 6 pm | 
                                    
                    
                        | 34 | 6 - 6.30 pm | 
                                    
                    
                        | 35 | 6.30 - 7 pm | 
                                    
                    
                        | 36 | 7 - 7.30 pm | 
                                    
                    
                        | 37 | 7.30 - 8 pm | 
                                    
                    
                        | 38 | 8 - 8.30 pm | 
                                    
                    
                        | 39 | 8.30 - 9 pm | 
                                    
                    
                        | 40 | 9 - 9.30 pm | 
                                    
                    
                        | 41 | 9.30 - 10 pm | 
                                    
                    
                        | 42 | 10 - 10:30 pm | 
                                    
                    
                        | 43 | 10.30 - 11 pm | 
                                    
                    
                        | 44 | 11 - 11.30 pm | 
                                    
                    
                        | 45 | 11.30 - 12 pm | 
                                    
                    
                        | 46 | 12 - 12.30 am | 
                                    
                    
                        | 47 | 12.30 - 1 am | 
                            
            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.