[[1543622400, 3] ,[1543708800, 5] ,[1544054400, 2] ,[1544140800, 2] ,[1544313600, 2] ,[1544486400, 3] ,[1544572800, 3] ,[1544659200, 2] ,[1544832000, 1] ,[1544918400, 3] ,[1545091200, 1] ,[1545782400, 1] ,[1545955200, 1] ,[1546041600, 3] ,[1546128000, 6] ,[1546214400, 2]