1901,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1902,18.2,19.5,21.2,22.3,23.6,26.1,26.5,26.5,25.9,22.3,20,18.4
1903,19.2,20.3,21.9,23.5,24.6,26,26,25.4,25.3,22,19.4,18.2
1904,17.9,19.9,21.5,23.2,24.6,26.4,25.3,25.2,25.2,22.1,19.9,18.5
1905,18.4,19.8,21.6,23,24.5,25.9,25.8,25.2,25.3,22.6,20.4,18.9
1906,18.1,20.5,21.6,22.9,25.2,26.8,25.8,25.7,25.6,22.1,19.4,17.3
1907,17.7,20.1,21.9,23.2,24.9,26.4,25.6,25.1,25.1,22,19.5,16.9
1908,18.2,19.3,22.3,23.7,26,26.5,25.6,25.1,26.1,23.9,19,17.4
1909,17.5,19.2,21,21.9,24.2,25.4,25.8,25.7,25.3,22,19.4,18.6
1910,18.2,19.8,21.9,23.5,25.2,26.4,26.4,25.8,25.2,22,20,19.1
1911,18.7,19.7,22.1,23.2,25,26.5,25.6,25.4,25.2,22.5,20.2,18.7
1912,18.1,19.7,21.4,22.7,24.2,25.6,24.8,24.8,24.7,21.8,19.9,18
1913,18.1,19.5,21.3,22.7,24.4,25.6,25.3,25.2,25.2,22.1,19.9,18.5
1914,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.6
1915,18.4,19.8,21.6,23.1,24.5,25.8,25.2,25.1,25.1,22.1,20,18.3
1916,18.2,19.9,21.4,22.8,24.5,25.8,25.2,25.2,25.2,22.1,20,18.5
1917,18.4,20,21.6,22.8,24.5,25.8,25.2,25.1,25.1,22.1,20,18.6
1918,18.3,20,21.6,22.9,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1919,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1920,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1921,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.4,22.3,20.3,18.9
1922,18.7,20.1,21.9,23.1,24.7,26.2,25.2,25.2,25.3,22.3,20.4,18.9
1923,18.4,19.8,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1924,18.6,20.2,21.9,23.3,24.8,26.2,25.9,25.6,25.6,22.5,20.3,18.8
1925,18.5,19.7,21.6,23,24.8,26.4,25.9,25.7,25.5,22,19.9,18.4
1926,18.4,19.8,21.4,22.6,24.8,26.2,25.8,25.7,25.5,22.1,20,18.2
1927,18.4,19.8,21.6,22.4,24.1,25.6,25.4,25.7,25.5,22.4,20.5,18.7
1928,18.3,19.8,21.9,23.4,24.8,25.9,25.5,25.3,25.5,22.5,20.5,18.6
1929,18.4,20.2,21.9,23,24.7,25.7,25,24.9,25,22.1,19.9,18.6
1930,18.5,19.8,21.5,22.9,24.1,25.5,24.9,24.9,24.9,21.9,19.9,18.5
1931,18.4,19.9,21.6,23,24.9,26.1,25.5,25.4,25.4,22.3,19.9,18.6
1932,18.4,20.2,21.6,23,24.5,25.9,25.3,25.2,25.2,22.1,19.9,18.5
1933,18.3,19.9,21.6,23.2,24.6,26,25.4,25.3,25.3,22.2,19.9,18.5
1934,18.2,19.5,21.4,23.1,24.7,26.1,25.4,25.2,25.2,22.2,20.2,18.7
1935,18.6,20.1,21.8,23,24.4,25.7,25.1,25,25.2,22.2,20.1,18.5
1936,18.4,19.8,21.6,23.1,24.7,25.7,25,25,25.1,22.3,20.2,18.6
1937,18.5,19.9,21.7,23.4,24.9,26,25.3,25.3,25.4,22.3,20.2,18.5
1938,18.3,19.8,21.7,23,24.5,26,25.3,25.2,25.2,22.1,20,18.4
1939,18.3,19.8,21.7,23.2,24.9,25.9,25.4,25.4,25.5,22.3,20.2,18.6
1940,18.5,20.1,21.7,23.1,24.8,26.1,25.5,25.3,25.4,22.3,20.2,18.6
1941,18.3,19.8,21.7,23.3,24.9,25.7,25.5,25.2,25.4,22.3,20.3,18.4
1942,18.2,20,21.5,23.4,24.5,26.3,24.7,24.9,25.1,21.9,19.8,18.5
1943,18,19,21,22.4,24.3,25.2,24.9,24.8,24.6,21.6,20.3,18.9
1944,18.6,19.5,21.6,23.3,24.7,26.3,24.9,25.1,25.2,22.2,19.6,18.9
1945,18.6,19.1,20.9,23.2,24.6,25.8,25.1,24.9,24.9,21.7,19.7,18.4
1946,18.3,20.2,21.4,23.1,25.1,25.8,25.7,25.5,25.9,23,20.6,18.9
1947,18.8,19.8,21.5,22.6,24.5,27.1,25.9,25.6,25,22,20.9,18.9
1948,19.5,20.5,21.7,23.1,25,25.3,25.2,24.9,25,21.8,19.2,18.4
1949,17.8,19.2,21.6,23.3,24.4,25.4,24.8,25,24.8,22,19.2,18.1
1950,18,18.7,21.6,22.8,24.5,25.2,24.9,25,25.1,21.4,18.8,18
1951,17.9,19.2,21.3,22.9,24.4,26,25.4,23.7,25,22.9,21,19.2
1952,18.4,19.6,22,22.9,24.4,25.8,24.1,24.1,24.2,22.5,20.1,18.8
1953,18.1,19.8,21.9,22.8,24.5,25.6,23.9,23.7,24.7,22,20.5,19
1954,18.8,20.2,21.6,23.2,24.4,25.8,23.7,22.8,25.4,21.8,20.3,18.7
1955,18.8,19.1,21.2,22.5,24.3,25.6,23.6,23.9,25.1,22.2,20.3,19.1
1956,18.5,19.3,21.6,23,24.4,25.4,23.6,22.5,25,22.5,19.9,18.5
1957,18.2,18.9,20.9,22.6,23.7,25.2,24,23.4,24,22,20.5,19
1958,18.7,20,21.6,23.2,24.4,25.4,24.3,24.1,25.4,23,20.4,19.1
1959,18.6,20.1,21.7,23.1,24.8,25.7,24.4,23.8,25.6,23.1,20.6,18.8
1960,18.5,19.4,21.9,22.9,24.5,25.3,24.1,24.2,25.7,22.4,20.3,19
1961,18.8,20.3,21.9,23.4,25,25.6,23.8,24,25.4,22.5,20.1,18.8
1962,18.3,19.6,21.7,22.9,24.4,24.7,24.8,23.9,25.1,21.5,20.2,18.7
1963,18.2,19.7,21.3,22.7,24.3,24.8,24.1,24.5,24.4,22,20.5,19.1
1964,18.8,19.6,21.3,22.7,24.1,25.2,24.5,24.4,25.4,21.7,19.2,17.6
1965,17.7,18.5,20.6,22.6,23.3,24.8,24.1,24.2,24.4,21.4,20,18.1
1966,17.9,20,21.5,22.6,23.8,25.7,25.3,25,24.6,22.1,20,17.6
1967,17.8,19.4,21.9,22.6,24.1,25.5,25.2,25.2,25.6,22,18.8,18.1
1968,17.6,19.1,20.7,22.6,23.8,25.7,25.5,24.4,25.3,22.4,20,19
1969,19.6,20.1,22.2,23.6,24.7,25.7,25.9,24.7,25,21.8,20.1,18.6
1970,19,20.2,22.5,23.3,25.1,26.1,25.5,25.4,25.7,22.5,19.5,18.3
1971,17.9,18.9,20.9,22.9,24.7,26.1,25.1,24.8,24.3,22.1,19.9,18.5
1972,18.5,19.6,21.4,22.7,24.1,26.3,25.6,24.8,25.1,22,19.9,19.2
1973,18.6,19.6,21.8,23.4,25.2,26.3,26.2,25.3,25.2,22.3,20,18
1974,18.6,19.4,20.9,22.5,24.5,26,25.9,24.7,24.9,22.2,19.4,18.5
1975,18.2,20.2,21.7,22.8,24.8,27.1,25.3,24.8,25.9,22.6,19.9,18.4
1976,18.6,20.3,21.8,23.2,24.4,25.6,25.6,25.2,25,23,19.2,18.9
1977,18.8,19.2,21.5,23,25,26.8,25.8,24.8,25.3,21.6,19.6,19.4
1978,19.2,19.8,21.2,24.4,25,26.5,24.5,25,24.8,21.7,20.3,19.1
1979,17.7,19.7,21.2,24.3,23.8,25.9,25.6,25,25,22.2,20.1,19.4
1980,18.8,21.3,23.3,24.1,25.7,26.4,25.5,25.4,25.4,22.2,20.6,18.5
1981,18.8,20,21.7,23.4,25.1,25.8,25.9,25.9,25.7,22,19.9,18.3
1982,18.6,20.7,22,22.7,23.9,25.3,25.5,26,25.4,21.1,20.1,19
1983,18.4,20,22.3,23.3,24.3,25.5,25.6,26.9,26,22.2,19.5,18.3
1984,17.6,18.2,20.8,22.7,23.8,26.5,25.2,25.1,24.7,21.2,19.5,18.2
1985,18.5,19.3,21.1,23.4,24.8,25.5,25.7,26.6,25.7,22.2,20.1,18
1986,17.5,20.3,21.8,23.1,24.5,27.9,26,25.4,25.1,22,20.2,18.4
1987,18.2,19.6,22.3,23.2,24.5,26.3,24.3,26.7,25.7,22.7,20.2,19.3
1988,19.1,21,21.8,23.6,25,26.5,26.4,26.2,26.8,22.6,19.5,18.4
1989,18.7,20.2,21.8,21.8,24.3,25.8,25.3,25.6,25.4,22.6,20.4,19.2
1990,19,21,22.3,23.5,25.5,26.5,25.6,25.5,26.2,22.5,20.2,18.5
1991,19.1,20.6,21.7,23.8,24.5,26,25.5,25.9,24.5,21.9,19.6,18.7
1992,17.3,19.3,21.8,23.5,25.3,26.6,25.6,24.9,25,21.8,20.3,19.5
1993,18.9,19.3,21.9,22.5,24.2,26.2,24.3,23.8,25.5,22.6,20.1,18
1994,18.1,19.4,21.8,24.3,25,26.8,25.7,24.8,24.9,21.4,18.8,18.7
1995,18.3,20.1,21.9,23.2,25.3,25.3,25.6,25.4,26.1,22.6,20.1,19.4
1996,19.3,20.1,22.2,25.5,25,24.7,25.6,25.2,25.9,22.3,19.5,18.5
1997,18.7,19.8,21.9,22.7,24.6,25.6,26.6,26,25.6,22,20.8,18.6
1998,18.9,21.1,22.9,24.5,25.6,27.3,25.7,25.4,26.3,22.1,20.4,18.9
1999,18.9,20.1,21.7,23.3,25.4,25.6,25.6,24.7,25.5,21.4,19.5,18.3
2000,18.1,20.5,21.5,24.2,24.7,26.7,25.9,25.2,25.2,22.1,20,18.6
2001,18.6,19.9,21.7,24.4,24.6,25.7,25.9,24.5,25,22.9,19.8,18.9
2002,18.2,20,21.9,23.9,26.4,26.1,26.5,25.7,25.7,20.7,20.7,19.7
2003,18.9,21.4,22.1,24.3,26.4,27.1,25.5,25.3,25.6,22.3,20.7,18.6
2004,19.4,19.9,21.7,23.6,26.3,26.6,26,26.1,25,21.1,20.1,19
2005,18.9,20.9,22.5,24.1,25.2,24.2,25.2,25.9,25.7,22.7,20.6,18.4
2006,18.3,21.1,21.8,23.1,25.2,27.1,25.8,24.7,25.5,22.5,20.3,18.2
2007,18.3,21.1,23,23.7,26.1,26.2,24.4,24.8,25,22,21.6,18.3
2008,18.3,18.5,19,22.3,25.3,25.6,25.6,25.3,26.1,22.4,19.4,18.1
2009,18.2,20.6,22.4,24.5,26.1,27.1,25.8,26.5,27,22,20.4,19.5
