[[1504483200, 2] ,[1504569600, 2] ,[1504656000, 2] ,[1504742400, 4] ,[1504915200, 1] ,[1505260800, 1] ,[1505347200, 2] ,[1505520000, 1] ,[1505606400, 3] ,[1505779200, 2] ,[1505865600, 2] ,[1506038400, 2] ,[1506297600, 1] ,[1506556800, 1] ,[1506643200, 5] ,[1506729600, 1]