1880.5 -157.1 24.2 1881.5 -151.5 24.2 1882.5 -168.3 23.0 1883.5 -163.0 22.8 1884.5 -142.1 22.2 1885.5 -143.6 21.9 1886.5 -146.0 20.8 1887.5 -151.6 20.8 1888.5 -149.5 20.8 1889.5 -147.9 20.8 1890.5 -145.9 20.7 1891.5 -147.6 20.7 1892.5 -144.4 20.7 1893.5 -139.7 20.3 1894.5 -149.4 21.6 1895.5 -137.6 21.6 1896.5 -145.2 21.2 1897.5 -140.0 20.8 1898.5 -130.6 19.7 1899.5 -123.1 19.4 1900.5 -128.5 18.3 1901.5 -128.9 17.6 1902.5 -124.3 17.3 1903.5 -116.3 17.0 1904.5 -126.6 16.9 1905.5 -132.1 15.4 1906.5 -125.3 14.7 1907.5 -126.7 14.9 1908.5 -129.2 14.5 1909.5 -124.7 14.6 1910.5 -124.8 14.6 1911.5 -116.5 14.2 1912.5 -119.6 14.2 1913.5 -117.8 14.1 1914.5 -111.5 13.8 1915.5 -103.6 13.6 1916.5 -105.5 13.0 1917.5 -110.0 12.8 1918.5 -111.6 12.7 1919.5 -110.0 12.7 1920.5 -108.7 13.0 1921.5 -106.6 13.1 1922.5 -107.5 13.2 1923.5 -106.3 13.0 1924.5 -113.6 13.1 1925.5 -111.6 13.6 1926.5 -105.1 13.7 1927.5 -106.2 12.9 1928.5 -110.1 12.3 1929.5 -108.7 12.1 1930.5 -104.7 12.0 1931.5 -105.1 12.2 1932.5 -99.4 11.9 1933.5 -95.1 11.8 1934.5 -100.5 11.9 1935.5 -94.9 11.9 1936.5 -98.8 11.8 1937.5 -93.1 11.8 1938.5 -90.5 11.8 1939.5 -85.3 12.2 1940.5 -90.6 11.1 1941.5 -78.4 10.8 1942.5 -78.4 10.8 1943.5 -78.4 10.8 1944.5 -84.8 10.7 1945.5 -82.0 10.7 1946.5 -74.5 10.6 1947.5 -71.4 9.6 1948.5 -66.6 9.3 1949.5 -67.9 8.4 1950.5 -65.7 7.9 1951.5 -56.2 7.8 1952.5 -58.8 7.7 1953.5 -54.4 7.5 1954.5 -57.3 7.3 1955.5 -56.4 7.1 1956.5 -61.5 7.0 1957.5 -48.1 6.9 1958.5 -46.7 6.6 1959.5 -46.4 6.5 1960.5 -42.7 6.6 1961.5 -36.5 6.6 1962.5 -41.7 6.6 1963.5 -43.3 6.6 1964.5 -51.2 6.7 1965.5 -40.0 6.7 1966.5 -45.4 6.6 1967.5 -44.0 6.5 1968.5 -43.2 6.7 1969.5 -36.4 7.0 1970.5 -38.3 7.0 1971.5 -33.1 6.9 1972.5 -24.0 6.9 1973.5 -30.0 6.8 1974.5 -18.1 6.8 1975.5 -19.7 6.7 1976.5 -20.7 6.8 1977.5 -22.4 6.6 1978.5 -16.0 6.7 1979.5 -20.9 6.7 1980.5 -14.9 6.5 1981.5 -2.5 6.5 1982.5 -8.3 6.3 1983.5 0.1 6.5 1984.5 -0.8 6.3 1985.5 -11.1 6.3 1986.5 -10.5 6.3 1987.5 -9.9 6.2 1988.5 -5.2 6.3 1989.5 -0.7 6.4 1990.5 0.7 6.3 1991.5 3.8 6.3 1992.5 6.6 6.4 1993.5 2.1 6.4 1994.5 5.5 6.4 1995.5 10.7 6.4 1996.5 14.4 6.4 1997.5 22.6 6.5 1998.5 15.0 6.6 1999.5 21.7 6.7 2000.5 22.6 6.6 2001.5 27.1 6.5 2002.5 26.1 6.7 2003.5 35.1 6.9 2004.5 34.5 7.2 2005.5 34.1 7.3 2006.5 35.6 7.4 2007.5 39.1 8.0 2008.5 49.0 8.4 2009.5 55.5 8.8