{"Year":1880,"Avg":-0.2,"Avg5yr":-0.13}
{"Year":1881,"Avg":-0.12,"Avg5yr":-0.16}
{"Year":1882,"Avg":-0.1,"Avg5yr":-0.19}
{"Year":1883,"Avg":-0.21,"Avg5yr":-0.21}
{"Year":1884,"Avg":-0.28,"Avg5yr":-0.24}
{"Year":1885,"Avg":-0.32,"Avg5yr":-0.26}
{"Year":1886,"Avg":-0.31,"Avg5yr":-0.27}
{"Year":1887,"Avg":-0.33,"Avg5yr":-0.27}
{"Year":1888,"Avg":-0.2,"Avg5yr":-0.27}
{"Year":1889,"Avg":-0.12,"Avg5yr":-0.26}
{"Year":1890,"Avg":-0.37,"Avg5yr":-0.26}
{"Year":1891,"Avg":-0.24,"Avg5yr":-0.26}
{"Year":1892,"Avg":-0.27,"Avg5yr":-0.27}
{"Year":1893,"Avg":-0.3,"Avg5yr":-0.26}
{"Year":1894,"Avg":-0.31,"Avg5yr":-0.24}
{"Year":1895,"Avg":-0.21,"Avg5yr":-0.22}
{"Year":1896,"Avg":-0.15,"Avg5yr":-0.21}
{"Year":1897,"Avg":-0.11,"Avg5yr":-0.18}
{"Year":1898,"Avg":-0.28,"Avg5yr":-0.17}
{"Year":1899,"Avg":-0.16,"Avg5yr":-0.17}
{"Year":1900,"Avg":-0.09,"Avg5yr":-0.2}
{"Year":1901,"Avg":-0.15,"Avg5yr":-0.23}
{"Year":1902,"Avg":-0.27,"Avg5yr":-0.25}
{"Year":1903,"Avg":-0.35,"Avg5yr":-0.28}
{"Year":1904,"Avg":-0.44,"Avg5yr":-0.31}
{"Year":1905,"Avg":-0.28,"Avg5yr":-0.34}
{"Year":1906,"Avg":-0.23,"Avg5yr":-0.36}
{"Year":1907,"Avg":-0.4,"Avg5yr":-0.38}
{"Year":1908,"Avg":-0.43,"Avg5yr":-0.39}
{"Year":1909,"Avg":-0.47,"Avg5yr":-0.41}
{"Year":1910,"Avg":-0.42,"Avg5yr":-0.41}
{"Year":1911,"Avg":-0.44,"Avg5yr":-0.38}
{"Year":1912,"Avg":-0.35,"Avg5yr":-0.34}
{"Year":1913,"Avg":-0.34,"Avg5yr":-0.32}
{"Year":1914,"Avg":-0.16,"Avg5yr":-0.3}
{"Year":1915,"Avg":-0.11,"Avg5yr":-0.29}
{"Year":1916,"Avg":-0.34,"Avg5yr":-0.27}
{"Year":1917,"Avg":-0.4,"Avg5yr":-0.27}
{"Year":1918,"Avg":-0.26,"Avg5yr":-0.27}
{"Year":1919,"Avg":-0.22,"Avg5yr":-0.27}
{"Year":1920,"Avg":-0.27,"Avg5yr":-0.26}
{"Year":1921,"Avg":-0.21,"Avg5yr":-0.25}
{"Year":1922,"Avg":-0.28,"Avg5yr":-0.25}
{"Year":1923,"Avg":-0.24,"Avg5yr":-0.24}
{"Year":1924,"Avg":-0.28,"Avg5yr":-0.23}
{"Year":1925,"Avg":-0.21,"Avg5yr":-0.22}
{"Year":1926,"Avg":-0.1,"Avg5yr":-0.21}
{"Year":1927,"Avg":-0.21,"Avg5yr":-0.21}
{"Year":1928,"Avg":-0.21,"Avg5yr":-0.19}
{"Year":1929,"Avg":-0.36,"Avg5yr":-0.19}
{"Year":1930,"Avg":-0.15,"Avg5yr":-0.19}
{"Year":1931,"Avg":-0.09,"Avg5yr":-0.19}
{"Year":1932,"Avg":-0.17,"Avg5yr":-0.18}
{"Year":1933,"Avg":-0.28,"Avg5yr":-0.17}
{"Year":1934,"Avg":-0.14,"Avg5yr":-0.16}
{"Year":1935,"Avg":-0.2,"Avg5yr":-0.14}
{"Year":1936,"Avg":-0.15,"Avg5yr":-0.12}
{"Year":1937,"Avg":-0.03,"Avg5yr":-0.08}
{"Year":1938,"Avg":-0.03,"Avg5yr":-0.03}
{"Year":1939,"Avg":-0.03,"Avg5yr":0.01}
{"Year":1940,"Avg":0.08,"Avg5yr":0.05}
{"Year":1941,"Avg":0.12,"Avg5yr":0.08}
{"Year":1942,"Avg":0.09,"Avg5yr":0.11}
{"Year":1943,"Avg":0.13,"Avg5yr":0.11}
{"Year":1944,"Avg":0.25,"Avg5yr":0.09}
{"Year":1945,"Avg":0.12,"Avg5yr":0.06}
{"Year":1946,"Avg":-0.04,"Avg5yr":0.02}
{"Year":1947,"Avg":-0.05,"Avg5yr":-0.02}
{"Year":1948,"Avg":-0.09,"Avg5yr":-0.06}
{"Year":1949,"Avg":-0.09,"Avg5yr":-0.08}
{"Year":1950,"Avg":-0.18,"Avg5yr":-0.07}
{"Year":1951,"Avg":-0.07,"Avg5yr":-0.07}
{"Year":1952,"Avg":0.01,"Avg5yr":-0.07}
{"Year":1953,"Avg":0.08,"Avg5yr":-0.08}
{"Year":1954,"Avg":-0.13,"Avg5yr":-0.07}
{"Year":1955,"Avg":-0.15,"Avg5yr":-0.06}
{"Year":1956,"Avg":-0.2,"Avg5yr":-0.05}
{"Year":1957,"Avg":0.04,"Avg5yr":-0.04}
{"Year":1958,"Avg":0.07,"Avg5yr":-0.01}
{"Year":1959,"Avg":0.03,"Avg5yr":0.01}
{"Year":1960,"Avg":-0.02,"Avg5yr":0.03}
{"Year":1961,"Avg":0.05,"Avg5yr":0.02}
{"Year":1962,"Avg":0.03,"Avg5yr":-0.01}
{"Year":1963,"Avg":0.06,"Avg5yr":-0.02}
{"Year":1964,"Avg":-0.2,"Avg5yr":-0.03}
{"Year":1965,"Avg":-0.1,"Avg5yr":-0.04}
{"Year":1966,"Avg":-0.05,"Avg5yr":-0.05}
{"Year":1967,"Avg":-0.02,"Avg5yr":-0.04}
{"Year":1968,"Avg":-0.07,"Avg5yr":-0.03}
{"Year":1969,"Avg":0.07,"Avg5yr":-0.01}
{"Year":1970,"Avg":0.02,"Avg5yr":-0}
{"Year":1971,"Avg":-0.09,"Avg5yr":0}
{"Year":1972,"Avg":0.01,"Avg5yr":-0}
{"Year":1973,"Avg":0.15,"Avg5yr":-0.01}
{"Year":1974,"Avg":-0.07,"Avg5yr":0}
{"Year":1975,"Avg":-0.02,"Avg5yr":0.02}
{"Year":1976,"Avg":-0.11,"Avg5yr":0.04}
{"Year":1977,"Avg":0.18,"Avg5yr":0.07}
{"Year":1978,"Avg":0.07,"Avg5yr":0.12}
{"Year":1979,"Avg":0.17,"Avg5yr":0.17}
{"Year":1980,"Avg":0.27,"Avg5yr":0.2}
{"Year":1981,"Avg":0.33,"Avg5yr":0.21}
{"Year":1982,"Avg":0.13,"Avg5yr":0.21}
{"Year":1983,"Avg":0.3,"Avg5yr":0.21}
{"Year":1984,"Avg":0.15,"Avg5yr":0.21}
{"Year":1985,"Avg":0.12,"Avg5yr":0.22}
{"Year":1986,"Avg":0.19,"Avg5yr":0.25}
{"Year":1987,"Avg":0.33,"Avg5yr":0.28}
{"Year":1988,"Avg":0.41,"Avg5yr":0.32}
{"Year":1989,"Avg":0.28,"Avg5yr":0.34}
{"Year":1990,"Avg":0.44,"Avg5yr":0.34}
{"Year":1991,"Avg":0.43,"Avg5yr":0.34}
{"Year":1992,"Avg":0.23,"Avg5yr":0.34}
{"Year":1993,"Avg":0.24,"Avg5yr":0.34}
{"Year":1994,"Avg":0.32,"Avg5yr":0.35}
{"Year":1995,"Avg":0.46,"Avg5yr":0.38}
{"Year":1996,"Avg":0.35,"Avg5yr":0.41}
{"Year":1997,"Avg":0.48,"Avg5yr":0.44}
{"Year":1998,"Avg":0.64,"Avg5yr":0.46}
{"Year":1999,"Avg":0.42,"Avg5yr":0.49}
{"Year":2000,"Avg":0.42,"Avg5yr":0.52}
{"Year":2001,"Avg":0.55,"Avg5yr":0.54}
{"Year":2002,"Avg":0.63,"Avg5yr":0.56}
{"Year":2003,"Avg":0.62,"Avg5yr":0.59}
{"Year":2004,"Avg":0.55,"Avg5yr":0.61}
{"Year":2005,"Avg":0.69,"Avg5yr":0.62}
{"Year":2006,"Avg":0.63,"Avg5yr":0.62}
{"Year":2007,"Avg":0.66,"Avg5yr":0.63}
{"Year":2008,"Avg":0.54,"Avg5yr":0.63}
{"Year":2009,"Avg":0.64,"Avg5yr":0.63}
{"Year":2010,"Avg":0.71,"Avg5yr":0.63}
{"Year":2011,"Avg":0.6,"Avg5yr":0.65}
{"Year":2012,"Avg":0.63,"Avg5yr":0.68}
{"Year":2013,"Avg":0.65,"Avg5yr":0.74}
{"Year":2014,"Avg":0.74,"Avg5yr":0.79}
{"Year":2015,"Avg":0.87,"Avg5yr":0.85}
{"Year":2016,"Avg":0.99,"Avg5yr":0.91}