[[1537675200, 2]
,[1537678800, 1]
,[1537686000, 2]
,[1537689600, 2]
,[1537693200, 3]
,[1537696800, 3]
,[1537700400, 1]
,[1537704000, 2]
,[1537707600, 4]
,[1537711200, 6]
,[1537714800, 1]
,[1537718400, 4]
,[1537722000, 2]
,[1537725600, 1]
,[1537729200, 3]
,[1537732800, 1]