[[1546300800, 1] ,[1546387200, 1] ,[1546473600, 1] ,[1546560000, 2] ,[1546646400, 1] ,[1546732800, 2] ,[1546992000, 1] ,[1547078400, 1] ,[1547337600, 2] ,[1548028800, 6] ,[1548115200, 1] ,[1548374400, 1] ,[1548460800, 2] ,[1548547200, 1] ,[1548633600, 1]