[[1581541200, 1] ,[1581544800, 2] ,[1581548400, 3] ,[1581552000, 0] ,[1581555600, 0] ,[1581559200, 1] ,[1581562800, 3] ,[1581566400, 0] ,[1581570000, 0] ,[1581573600, 2] ,[1581577200, 4] ,[1581580800, 5] ,[1581584400, 3] ,[1581588000, 3] ,[1581591600, 2] ,[1581595200, 3] ,[1581598800, 2] ,[1581602400, 4] ,[1581606000, 8] ,[1581609600, 4] ,[1581613200, 6] ,[1581616800, 8] ,[1581620400, 3] ,[1581624000, 1]