[[1506481200, 2] ,[1506484800, 1] ,[1506488400, 1] ,[1506492000, 3] ,[1506495600, 3] ,[1506499200, 3] ,[1506502800, 1] ,[1506506400, 1] ,[1506513600, 2] ,[1506517200, 4] ,[1506520800, 5] ,[1506524400, 2] ,[1506528000, 4] ,[1506531600, 2] ,[1506535200, 1] ,[1506538800, 1] ,[1506542400, 4] ,[1506549600, 1] ,[1506553200, 1]