"time"	"Nile"
1871	1120
1872	1160
1873	963
1874	1210
1875	1160
1876	1160
1877	813
1878	1230
1879	1370
1880	1140
1881	995
1882	935
1883	1110
1884	994
1885	1020
1886	960
1887	1180
1888	799
1889	958
1890	1140
1891	1100
1892	1210
1893	1150
1894	1250
1895	1260
1896	1220
1897	1030
1898	1100
1899	774
1900	840
1901	874
1902	694
1903	940
1904	833
1905	701
1906	916
1907	692
1908	1020
1909	1050
1910	969
1911	831
1912	726
1913	456
1914	824
1915	702
1916	1120
1917	1100
1918	832
1919	764
1920	821
1921	768
1922	845
1923	864
1924	862
1925	698
1926	845
1927	744
1928	796
1929	1040
1930	759
1931	781
1932	865
1933	845
1934	944
1935	984
1936	897
1937	822
1938	1010
1939	771
1940	676
1941	649
1942	846
1943	812
1944	742
1945	801
1946	1040
1947	860
1948	874
1949	848
1950	890
1951	744
1952	749
1953	838
1954	1050
1955	918
1956	986
1957	797
1958	923
1959	975
1960	815
1961	1020
1962	906
1963	901
1964	1170
1965	912
1966	746
1967	919
1968	718
1969	714
1970	740