[[1516406400, 1]
,[1516410000, 1]
,[1516431600, 1]
,[1516435200, 1]
,[1516446000, 3]
,[1516449600, 1]
,[1516453200, 2]
,[1516456800, 3]
,[1516460400, 2]
,[1516464000, 3]
,[1516467600, 2]
,[1516471200, 6]
,[1516474800, 2]