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