[[1514764800, 2] ,[1515024000, 2] ,[1515110400, 1] ,[1515369600, 1] ,[1515628800, 1] ,[1515715200, 1] ,[1515801600, 2] ,[1515974400, 1] ,[1516060800, 1] ,[1516147200, 1] ,[1516233600, 2] ,[1516320000, 4] ,[1516492800, 5] ,[1516579200, 4] ,[1516665600, 1] ,[1516838400, 2] ,[1516924800, 3] ,[1517270400, 2]