1880 -0.331506 1881 -0.239239 1882 -0.284439 1883 -0.358331 1884 -0.460273 1885 -0.504446 1886 -0.522559 1887 -0.577280 1888 -0.398519 1889 -0.270399 1890 -0.513544 1891 -0.433305 1892 -0.547778 1893 -0.492171 1894 -0.506582 1895 -0.453463 1896 -0.345806 1897 -0.304205 1898 -0.483756 1899 -0.350067 1900 -0.246603 1901 -0.289555 1902 -0.473837 1903 -0.550556 1904 -0.624580 1905 -0.422173 1906 -0.372071 1907 -0.525522 1908 -0.492532 1909 -0.595502 1910 -0.496506 1911 -0.575739 1912 -0.555411 1913 -0.478020 1914 -0.271888 1915 -0.273545 1916 -0.474791 1917 -0.580191 1918 -0.395487 1919 -0.341522 1920 -0.287863 1921 -0.305518 1922 -0.348421 1923 -0.325134 1924 -0.355086 1925 -0.290276 1926 -0.163077 1927 -0.290282 1928 -0.311505 1929 -0.455502 1930 -0.241558 1931 -0.117717 1932 -0.201359 1933 -0.363574 1934 -0.163697 1935 -0.259175 1936 -0.165987 1937 0.0204935 1938 -0.0458746 1939 -0.0815064 1940 0.0260347 1941 -0.0288432 1942 -0.0468618 1943 0.102134 1944 0.0919861 1945 -0.0960564 1946 -0.135066 1947 -0.0969085 1948 -0.190519 1949 -0.191541 1950 -0.264165 1951 -0.122463 1952 -0.0144202 1953 0.0207633 1954 -0.172064 1955 -0.154676 1956 -0.237865 1957 -0.0143729 1958 -0.0257598 1959 -0.0454266 1960 -0.0974500 1961 -0.0100810 1962 -0.0829383 1963 -0.0443432 1964 -0.303896 1965 -0.173106 1966 -0.107391 1967 -0.0670159 1968 -0.140814 1969 -0.0155607 1970 -0.0420828 1971 -0.165780 1972 -0.0695673 1973 0.0844120 1974 -0.133970 1975 -0.0776346 1976 -0.199416 1977 0.151909 1978 0.0328522 1979 0.0898410 1980 0.208859 1981 0.290110 1982 0.0552383 1983 0.240415 1984 0.0665129 1985 0.0546211 1986 0.0920980 1987 0.231567 1988 0.298728 1989 0.178121 1990 0.365650 1991 0.345702 1992 0.150372 1993 0.183468 1994 0.261035 1995 0.406279 1996 0.294614 1997 0.426848 1998 0.584126 1999 0.334214 2000 0.330555 2001 0.488250 2002 0.585796 2003 0.558168 2004 0.504261 2005 0.643620 2006 0.590444 2007 0.625562 2008 0.489712 2009 0.631027 2010 0.705796 2011 0.573198 2012 0.589318 2013 0.645079 2014 0.678090 2015 0.824649 2016 0.936895 2017 0.849087 2018 0.790717 2019 0.931715 2020 0.958741 2021 0.799400 2022 0.846118