[[1499904000, 1] ,[1499918400, 4] ,[1499922000, 6] ,[1499925600, 4] ,[1499929200, 2] ,[1499932800, 3] ,[1499936400, 3] ,[1499940000, 4] ,[1499943600, 4] ,[1499950800, 3] ,[1499954400, 1] ,[1499958000, 3] ,[1499961600, 4] ,[1499965200, 2] ,[1499968800, 4] ,[1499972400, 2] ,[1499976000, 1] ,[1499979600, 1]