{"Year":1871,"SPReturn":1}
{"Year":1872,"SPReturn":1.11111}
{"Year":1873,"SPReturn":1.03704}
{"Year":1874,"SPReturn":1.14815}
{"Year":1875,"SPReturn":1.18519}
{"Year":1876,"SPReturn":1.03704}
{"Year":1877,"SPReturn":1}
{"Year":1878,"SPReturn":1.11111}
{"Year":1879,"SPReturn":1.62963}
{"Year":1880,"SPReturn":2.03704}
{"Year":1881,"SPReturn":2.18519}
{"Year":1882,"SPReturn":2.25926}
{"Year":1883,"SPReturn":2.18519}
{"Year":1884,"SPReturn":1.88889}
{"Year":1885,"SPReturn":2.37037}
{"Year":1886,"SPReturn":2.66667}
{"Year":1887,"SPReturn":2.59259}
{"Year":1888,"SPReturn":2.66667}
{"Year":1889,"SPReturn":2.85185}
{"Year":1890,"SPReturn":2.55556}
{"Year":1891,"SPReturn":3.14815}
{"Year":1892,"SPReturn":3.33333}
{"Year":1893,"SPReturn":2.81481}
{"Year":1894,"SPReturn":2.85185}
{"Year":1895,"SPReturn":3}
{"Year":1896,"SPReturn":3.03704}
{"Year":1897,"SPReturn":3.55556}
{"Year":1898,"SPReturn":4.40741}
{"Year":1899,"SPReturn":4.81481}
{"Year":1900,"SPReturn":5.74074}
{"Year":1901,"SPReturn":6.85185}
{"Year":1902,"SPReturn":7.18519}
{"Year":1903,"SPReturn":6.14815}
{"Year":1904,"SPReturn":8.03704}
{"Year":1905,"SPReturn":9.62963}
{"Year":1906,"SPReturn":10.25926}
{"Year":1907,"SPReturn":7.22222}
{"Year":1908,"SPReturn":10.44444}
{"Year":1909,"SPReturn":12.44444}
{"Year":1910,"SPReturn":11.44444}
{"Year":1911,"SPReturn":12.11111}
{"Year":1912,"SPReturn":13.07407}
{"Year":1913,"SPReturn":11.81481}
{"Year":1914,"SPReturn":11.37037}
{"Year":1915,"SPReturn":15.40741}
{"Year":1916,"SPReturn":16.77778}
{"Year":1917,"SPReturn":12.51852}
{"Year":1918,"SPReturn":15.7037}
{"Year":1919,"SPReturn":18.77778}
{"Year":1920,"SPReturn":15.22222}
{"Year":1921,"SPReturn":17.48148}
{"Year":1922,"SPReturn":22.18519}
{"Year":1923,"SPReturn":22.81481}
{"Year":1924,"SPReturn":28.74074}
{"Year":1925,"SPReturn":37.03704}
{"Year":1926,"SPReturn":42.11111}
{"Year":1927,"SPReturn":57.18519}
{"Year":1928,"SPReturn":83}
{"Year":1929,"SPReturn":75.62963}
{"Year":1930,"SPReturn":56.55556}
{"Year":1931,"SPReturn":31.81481}
{"Year":1932,"SPReturn":29.14815}
{"Year":1933,"SPReturn":44.62963}
{"Year":1934,"SPReturn":43.55556}
{"Year":1935,"SPReturn":64}
{"Year":1936,"SPReturn":84.7037}
{"Year":1937,"SPReturn":54.48148}
{"Year":1938,"SPReturn":72.07407}
{"Year":1939,"SPReturn":70.96296}
{"Year":1940,"SPReturn":63.48148}
{"Year":1941,"SPReturn":55.77778}
{"Year":1942,"SPReturn":67.48148}
{"Year":1943,"SPReturn":84.7037}
{"Year":1944,"SPReturn":101.18519}
{"Year":1945,"SPReturn":137.96296}
{"Year":1946,"SPReturn":126.25926}
{"Year":1947,"SPReturn":132.51852}
{"Year":1948,"SPReturn":139.07407}
{"Year":1949,"SPReturn":163.74074}
{"Year":1950,"SPReturn":212.92593}
{"Year":1951,"SPReturn":263.77778}
{"Year":1952,"SPReturn":312.40741}
{"Year":1953,"SPReturn":308.92593}
{"Year":1954,"SPReturn":470.92593}
{"Year":1955,"SPReturn":619.96296}
{"Year":1956,"SPReturn":662.74074}
{"Year":1957,"SPReturn":592.96296}
{"Year":1958,"SPReturn":852.25926}
{"Year":1959,"SPReturn":954.66667}
{"Year":1960,"SPReturn":958.96296}
{"Year":1961,"SPReturn":1216.88889}
{"Year":1962,"SPReturn":1109.92593}
{"Year":1963,"SPReturn":1362.14815}
{"Year":1964,"SPReturn":1585.96296}
{"Year":1965,"SPReturn":1782.22222}
{"Year":1966,"SPReturn":1602.18519}
{"Year":1967,"SPReturn":1987.2963}
{"Year":1968,"SPReturn":2206.59259}
{"Year":1969,"SPReturn":2019.77778}
{"Year":1970,"SPReturn":2100.59259}
{"Year":1971,"SPReturn":2402.07407}
{"Year":1972,"SPReturn":2858.37037}
{"Year":1973,"SPReturn":2433.92593}
{"Year":1974,"SPReturn":1787}
{"Year":1975,"SPReturn":2455.74074}
{"Year":1976,"SPReturn":3039.14815}
{"Year":1977,"SPReturn":2814.74074}
{"Year":1978,"SPReturn":2998.81481}
{"Year":1979,"SPReturn":3556.2963}
{"Year":1980,"SPReturn":4716}
{"Year":1981,"SPReturn":4481.51852}
{"Year":1982,"SPReturn":5452.51852}
{"Year":1983,"SPReturn":6683.33333}
{"Year":1984,"SPReturn":7097.2963}
{"Year":1985,"SPReturn":9357.77778}
{"Year":1986,"SPReturn":11106.11111}
{"Year":1987,"SPReturn":11686.03704}
{"Year":1988,"SPReturn":13623.88889}
{"Year":1989,"SPReturn":17949.03704}
{"Year":1990,"SPReturn":17387.2963}
{"Year":1991,"SPReturn":22695.96296}
{"Year":1992,"SPReturn":24426.48148}
{"Year":1993,"SPReturn":26887.22222}
{"Year":1994,"SPReturn":27228.25926}
{"Year":1995,"SPReturn":37521.11111}
{"Year":1996,"SPReturn":46052.33333}
{"Year":1997,"SPReturn":61445.62963}
{"Year":1998,"SPReturn":78730.62963}
{"Year":1999,"SPReturn":95290.74074}