[[1581390000, 1] ,[1581393600, 1] ,[1581397200, 1] ,[1581400800, 1] ,[1581404400, 3] ,[1581408000, 5] ,[1581411600, 3] ,[1581415200, 1] ,[1581418800, 0] ,[1581422400, 2] ,[1581426000, 0] ,[1581429600, 1] ,[1581433200, 3] ,[1581436800, 4] ,[1581440400, 3] ,[1581444000, 2]