Year	Thousand Miles
1867	9.60000
1868	12.3000
1869	6.99000
1870	7.61000
1871	8.96000
1872	16.0400
1873	17.2800
1874	21.2600
1875	3.76000
1876	4.34000
1877	10.4900
1878	11.8800
1879	5.36000
1880	21.9700
1881	93.6400
1882	47.2000
1883	58.3600
1884	17.8400
1885	11.7100
1886	27.3200
1887	35.0300
1888	91.6100
1889	31.4500
1890	31.3000
1891	36.5900
1892	23.5100
1893	30.1000
1894	21.5900
1895	11.8600
1896	24.2800
1897	14.0700
1898	33.4200
1899	30.2100
1900	28.5200
1901	39.6100
1902	57.2200
1903	59.2300
1904	66.1900
1905	29.1500
1906	71.5900
1907	65.0500
1908	38.2300
1909	23.0700
1910	46.5500
1911	58.3000
1912	44.8200
1913	26.0200
1914	47.1800
1915	1.36000
1916	16.6300
1917	-0.380000
1918	-244.420
1919	51.4300
1920	15.7300
1921	71.3800
1922	12.9200
1923	23.3900
1924	36.5600
1925	41.2700
1926	33.0600
1927	114.850
1928	106.490
1929	44.3900
1930	14.9200
1931	-35.4500
1932	-14.3100
1933	3.15000
1934	0.470000
1935	3.06000
1936	3.06000
1937	4.54000
1938	1.05000
1939	-1.20000
1940	1.32000
1941	14.1500
1942	12.6400
1943	403.970
1944	-29.0900
1945	-25.1300
1946	-203.480
1947	-301.400
1948	-110.730
1949	-197.630
1950	-140.160
1951	-73.4800
1952	-30.8200
1953	-42.9400
1954	-23.8800
1955	-29.7200
1956	-12.0700
1957	-9.00000
1958	-2.00000
1959	-17.0000
1960	5.00000
1961	-20.0000
1962	0.000000