 1870.5  -104.53    22.73
 1871.5  -108.49    22.73
 1872.5  -102.14    22.73
 1873.5  -103.63    22.73
 1874.5  -102.58    22.73
 1875.5  -105.58    22.73
 1876.5   -93.71    22.73
 1877.5   -86.96    22.73
 1878.5   -80.77    21.49
 1879.5   -98.01    21.87
 1880.5   -93.62    21.81
 1881.5   -91.44    21.81
 1882.5  -103.43    20.93
 1883.5  -100.27    20.78
 1884.5   -81.82    20.03
 1885.5   -88.08    19.90
 1886.5   -82.73    18.73
 1887.5   -85.09    18.74
 1888.5   -83.65    18.74
 1889.5   -82.02    18.74
 1890.5   -82.46    18.73
 1891.5   -83.08    18.73
 1892.5   -83.83    18.72
 1893.5   -74.74    18.35
 1894.5   -80.34    18.92
 1895.5   -71.78    18.92
 1896.5   -72.75    18.69
 1897.5   -69.82    18.94
 1898.5   -70.26    18.52
 1899.5   -66.33    18.28
 1900.5   -61.81    16.60
 1901.5   -64.63    16.33
 1902.5   -62.33    16.25
 1903.5   -49.77    15.69
 1904.5   -61.35    15.79
 1905.5   -68.29    13.93
 1906.5   -63.48    13.58
 1907.5   -58.99    13.88
 1908.5   -55.27    13.81
 1909.5   -59.72    13.35
 1910.5   -54.84    13.29
 1911.5   -46.77    13.35
 1912.5   -47.55    12.95
 1913.5   -48.06    12.93
 1914.5   -45.71    12.80
 1915.5   -41.17    12.50
 1916.5   -45.44    11.74
 1917.5   -47.85    11.57
 1918.5   -49.26    11.35
 1919.5   -44.23    11.33
 1920.5   -39.47    11.51
 1921.5   -36.18    11.81
 1922.5   -41.72    11.86
 1923.5   -47.61    11.86
 1924.5   -50.28    11.87
 1925.5   -42.20    11.82
 1926.5   -32.07    11.85
 1927.5   -34.23    11.03
 1928.5   -40.52    10.90
 1929.5   -40.35    10.80
 1930.5   -31.30    10.72
 1931.5   -25.79    11.09
 1932.5   -33.85    11.61
 1933.5   -28.84    11.61
 1934.5   -26.58    11.43
 1935.5   -24.36    11.35
 1936.5   -29.58    11.42
 1937.5   -23.09    11.51
 1938.5   -13.82    11.32
 1939.5   -12.69    11.33
 1940.5   -11.85    10.66
 1941.5    -0.91    10.42
 1942.5    -3.61    10.56
 1943.5    -0.04    10.68
 1944.5    -5.85     9.94
 1945.5     2.83     9.76
 1946.5     3.10     9.70
 1947.5    10.59     8.86
 1948.5    15.84     8.52
 1949.5    23.77     7.59
 1950.5    25.16     7.16
 1951.5    33.16     6.91
 1952.5    29.81     6.71
 1953.5    30.77     6.54
 1954.5    31.22     6.25
 1955.5    34.57     6.02
 1956.5    28.45     6.00
 1957.5    42.64     6.02
 1958.5    42.15     5.59
 1959.5    46.62     5.36
 1960.5    52.13     5.42
 1961.5    55.43     5.39
 1962.5    54.99     5.40
 1963.5    51.56     5.42
 1964.5    44.43     5.72
 1965.5    49.20     5.70
 1966.5    40.58     5.60
 1967.5    42.95     5.50
 1968.5    46.74     5.68
 1969.5    48.41     5.94
 1970.5    50.61     5.92
 1971.5    56.38     5.86
 1972.5    61.96     5.91
 1973.5    62.76     5.78
 1974.5    71.66     5.75
 1975.5    70.48     5.68
 1976.5    66.88     5.71
 1977.5    65.49     5.49
 1978.5    72.35     5.45
 1979.5    70.50     5.51
 1980.5    75.57     5.44
 1981.5    82.60     5.39
 1982.5    78.15     5.09
 1983.5    84.48     5.19
 1984.5    86.44     5.08
 1985.5    82.96     4.96
 1986.5    81.45     4.88
 1987.5    85.02     4.88
 1988.5    89.46     5.09
 1989.5    94.46     5.16
 1990.5    94.69     5.08
 1991.5    97.45     4.98
 1992.5    97.10     5.01
 1993.5    92.79     4.91
 1994.5    96.11     4.88
 1995.5   100.95     4.93
 1996.5   104.89     4.88
 1997.5   110.35     4.96
 1998.5   105.44     4.97
 1999.5   113.55     5.09
 2000.5   114.15     5.11
 2001.5   115.24     5.07
 2002.5   115.28     5.17
 2003.5   121.73     5.38
 2004.5   123.41     6.11
 2005.5   128.05     6.43
 2006.5   141.67     6.87
 2007.5   137.64     7.22
