[[1520902800, 1]
,[1520920800, 3]
,[1520924400, 8]
,[1520935200, 5]
,[1520938800, 8]
,[1520942400, 11]
,[1520946000, 2]
,[1520960400, 1]
,[1520964000, 2]
,[1520967600, 2]
,[1520971200, 1]
,[1520974800, 1]
,[1520978400, 1]
,[1520982000, 1]