1932.5  1932  -10.3870 
1933.5  1933  -10.0742 
1934.5  1934  -5.7514 
1935.5  1935  -9.6325 
1936.5  1936  -10.6046 
1937.5  1937  -14.9266 
1938.5  1938  -18.6437 
1939.5  1939  -17.4469 
1940.5  1940  -16.8165 
1941.5  1941  -21.3975 
1942.5  1942  -4.5496 
1943.5  1943  -15.9785 
1944.5  1944  -8.7109 
1945.5  1945  -5.0497 
1946.5  1946  -22.6948 
1947.5  1947  -18.3556 
1948.5  1948  -15.1982 
1949.5  1949  -15.7952 
1950.5  1950  -14.1591 
1951.5  1951  -16.8696 
1952.5  1952  -16.2802 
1953.5  1953  -11.9499 
1954.5  1954  -6.4251 
1955.5  1955  -9.3996 
1956.5  1956  -18.9232 
1957.5  1957  -21.4976 
1958.5  1958  -20.1536 
1959.5  1959  -21.0374 
1960.5  1960  -25.8887 
1961.5  1961  -11.4614 
1962.5  1962  -7.9631 
1963.5  1963  -10.2497 
1964.5  1964  -7.1529 
1965.5  1965  -3.1227 
1966.5  1966  -7.4770 
1967.5  1967  -12.7619 
1968.5  1968  -13.0591 
1969.5  1969  -9.9953 
1970.5  1970  -13.9860 
1971.5  1971  -9.4839 
1972.5  1972  -12.5569 
1973.5  1973  -12.7144 
1974.5  1974  -16.0566 
1975.5  1975  -9.9561 
1976.5  1976  -12.1285 
1977.5  1977  -8.1749 
1978.5  1978  -19.6882 
1979.5  1979  -14.9973 
1980.5  1980  -6.5235 
1981.5  1981  -16.3957 
1982.5  1982  -22.9311 
1983.5  1983  -12.2330 
1984.5  1984  -15.9960 
1985.5  1985  -8.4004 
1986.5  1986  -13.8911 
1987.5  1987  -6.8065 
1988.5  1988  -12.7298 
1989.5  1989  -23.9959 
1990.5  1990  -14.4001 
1991.5  1991  -24.9193 
1992.5  1992  -15.3878 
1993.5  1993  -11.6104 
1994.5  1994  -18.4512 
1995.5  1995  -13.3060 
1996.5  1996  -7.4366 
1997.5  1997  -8.1445 
1998.5  1998  -14.2091 
1999.5  1999  -9.0095 
2000.5  2000  -17.5903 
2001.5  2001  -12.9454 
2002.5  2002  -11.9494 
2003.5  2003  -21.4492 
2004.5  2004  -8.6308 
2005.5  2005  -15.4142 
2006.5  2006  -5.5519 
2007.5  2007  -7.5086 
2008.5  2008  -7.3633 
2009.5  2009  -1.3893 
2010.5  2010  -6.9249 
2011.5  2011  -6.7183 
2012.5  2012  -11.1360 
2013.5  2013  -8.1295 
2014.5  2014  -5.8044 
2015.5  2015  -18.7960 
2016.5  2016  -8.9673