[[1499994000, 2] ,[1499997600, 1] ,[1500004800, 3] ,[1500008400, 4] ,[1500012000, 3] ,[1500015600, 3] ,[1500019200, 2] ,[1500026400, 1] ,[1500030000, 4] ,[1500033600, 2] ,[1500037200, 5] ,[1500040800, 3] ,[1500044400, 3] ,[1500048000, 3] ,[1500051600, 9] ,[1500055200, 6] ,[1500058800, 2] ,[1500062400, 2]