[[1517616000, 1]
,[1517702400, 1]
,[1517788800, 3]
,[1517875200, 5]
,[1517961600, 2]
,[1518048000, 2]
,[1518134400, 2]
,[1518220800, 4]
,[1518393600, 3]
,[1518480000, 1]
,[1518739200, 1]
,[1518825600, 1]
,[1518912000, 3]
,[1518998400, 4]
,[1519084800, 7]
,[1519171200, 5]
,[1519257600, 4]
,[1519344000, 3]
,[1519430400, 3]
,[1519516800, 7]
,[1519689600, 6]
,[1519776000, 1]