[[1553288400, 3]
,[1553295600, 2]
,[1553299200, 2]
,[1553302800, 3]
,[1553306400, 2]
,[1553310000, 1]
,[1553317200, 1]
,[1553324400, 2]
,[1553328000, 3]
,[1553331600, 2]
,[1553335200, 3]
,[1553338800, 3]
,[1553342400, 4]
,[1553346000, 8]
,[1553349600, 8]
,[1553353200, 6]
,[1553356800, 3]
,[1553360400, 3]
,[1553364000, 1]