[[1523750400, 2] ,[1523754000, 4] ,[1523757600, 1] ,[1523761200, 2] ,[1523764800, 2] ,[1523768400, 3] ,[1523772000, 1] ,[1523779200, 8] ,[1523782800, 3] ,[1523786400, 5] ,[1523790000, 7] ,[1523793600, 5] ,[1523797200, 4] ,[1523800800, 1] ,[1523804400, 2] ,[1523808000, 4] ,[1523811600, 2] ,[1523818800, 2] ,[1523822400, 2]