[[1551214800, 15] ,[1551218400, 10] ,[1551222000, 2] ,[1551229200, 1] ,[1551232800, 3] ,[1551243600, 10] ,[1551247200, 8] ,[1551250800, 3] ,[1551254400, 8] ,[1551258000, 1] ,[1551261600, 4] ,[1551265200, 4] ,[1551268800, 5] ,[1551272400, 5] ,[1551276000, 13] ,[1551279600, 11] ,[1551283200, 17] ,[1551286800, 12] ,[1551290400, 15] ,[1551294000, 6] ,[1551297600, 3]