[[1537840800, 1]
,[1537858800, 1]
,[1537862400, 1]
,[1537869600, 1]
,[1537876800, 4]
,[1537887600, 1]
,[1537891200, 1]
,[1537894800, 2]
,[1537898400, 4]
,[1537905600, 1]
,[1537909200, 1]