[[1549332000, 1]
,[1549335600, 1]
,[1549353600, 3]
,[1549360800, 1]
,[1549368000, 7]
,[1549371600, 3]
,[1549375200, 4]
,[1549378800, 5]
,[1549382400, 3]
,[1549386000, 7]
,[1549389600, 1]
,[1549393200, 3]