[[1528156800, 1]
,[1528164000, 1]
,[1528174800, 1]
,[1528178400, 1]
,[1528182000, 4]
,[1528185600, 5]
,[1528189200, 3]
,[1528192800, 2]
,[1528196400, 2]
,[1528200000, 2]
,[1528203600, 3]
,[1528207200, 3]
,[1528210800, 3]
,[1528214400, 1]
,[1528232400, 1]
,[1528236000, 2]