[[1501718400, 4] ,[1501891200, 1] ,[1502064000, 1] ,[1502150400, 4] ,[1502236800, 10] ,[1502323200, 1] ,[1502496000, 4] ,[1502582400, 11] ,[1502668800, 1] ,[1502755200, 2] ,[1502841600, 4] ,[1502928000, 1] ,[1503187200, 15] ,[1503360000, 5] ,[1503705600, 2] ,[1503792000, 3] ,[1503878400, 1] ,[1503964800, 1] ,[1504051200, 7] ,[1504137600, 1]