[[1503806400, 1]
,[1503813600, 4]
,[1503817200, 3]
,[1503820800, 3]
,[1503828000, 2]
,[1503831600, 3]
,[1503838800, 5]
,[1503842400, 7]
,[1503846000, 8]
,[1503849600, 8]
,[1503853200, 6]
,[1503856800, 1]
,[1503864000, 2]
,[1503871200, 1]