[[1516867200, 1] ,[1516870800, 1] ,[1516874400, 3] ,[1516881600, 1] ,[1516885200, 2] ,[1516888800, 1] ,[1516892400, 1] ,[1516903200, 3] ,[1516906800, 5] ,[1516910400, 5] ,[1516914000, 5] ,[1516917600, 2]