[[1508738400, 1]
,[1508749200, 1]
,[1508752800, 1]
,[1508760000, 4]
,[1508763600, 5]
,[1508767200, 1]
,[1508770800, 1]
,[1508774400, 4]
,[1508785200, 1]
,[1508788800, 1]
,[1508792400, 4]