[[1515888000, 2] ,[1515891600, 4] ,[1515895200, 1] ,[1515898800, 3] ,[1515902400, 3] ,[1515906000, 5] ,[1515909600, 6] ,[1515913200, 19] ,[1515916800, 29] ,[1515920400, 11] ,[1515924000, 18] ,[1515927600, 31] ,[1515931200, 40] ,[1515934800, 50] ,[1515938400, 31] ,[1515942000, 28] ,[1515945600, 43] ,[1515949200, 33] ,[1515952800, 24] ,[1515956400, 29] ,[1515960000, 28] ,[1515963600, 26] ,[1515967200, 12] ,[1515970800, 2]