1901,22.9,23.7,25.1,26.1,27.4,27.9,27.2,27.8,27.3,26.2,23.6,22.7
1902,21.8,23.3,26.1,26.6,27.9,27.6,27.8,26.8,28.6,26.8,25.4,23.4
1903,23.5,25.3,25.8,26.2,26.9,28.5,28,27.9,28.3,26,23.8,21.9
1904,22.8,24.1,25.2,26.7,27.4,27.8,27,27.4,27.3,25.9,24,23.2
1905,21.8,23.8,25.4,26.6,28.3,28.3,27.3,27.8,27.8,26.5,24.9,23.3
1906,22,22.6,24.6,25.9,27.5,27.4,27.7,27.6,27.9,26.2,24.8,22.7
1907,23.5,23.4,25.2,26.6,27.6,27.5,26.8,26.9,27,26.1,25,23
1908,22.1,22.8,25.3,27.7,28.3,27.8,27.4,27.4,27.2,25.3,23.7,23.2
1909,22.6,23.6,26,27,28.6,27.5,27.9,27.7,27.1,25.8,23.7,22.9
1910,21.5,22.6,23,25.1,26.9,27,27.1,27.5,27.1,25.7,23.2,21.3
1911,22.8,23.7,25.3,27.2,25.8,26.6,27.1,27.5,27.5,26.8,25.4,23.6
1912,23.2,22,25.9,28.2,27.9,27.3,27.2,27.6,27.2,26.4,23.6,23.8
1913,23.9,25.2,25.7,24.6,25.9,26.2,27,27.4,26.8,25.6,23.8,22.9
1914,22.3,23.7,23.2,26.2,26.5,26.8,27.7,28.1,27,25.8,24,23.9
1915,22.7,22.8,22.7,24.6,28.3,28.4,28.1,28.1,27.6,26.3,24.7,23.4
1916,24.4,22.7,24.1,25.6,27.2,27.2,27.9,27.3,27,25.7,23.7,23.4
1917,23.3,23.2,25.4,26.1,27.7,27.2,27.6,27.5,27.2,25.9,23.6,21.8
1918,22.3,24.5,25.6,26.9,27.2,27.2,27.8,27.8,27.5,27.1,24.8,23.3
1919,22,24,25.5,25.9,27,26.9,27.2,27.7,27.3,26.5,25.6,23.5
1920,23.5,23.1,25.2,28.1,27.8,26.9,27.2,27.3,27.3,25.8,24.1,23.1
1921,22.6,23.6,25.6,26.7,25.7,27.2,27.1,27.5,27.4,25.9,24.9,23.6
1922,23.5,24.3,26,27.7,27.6,27.6,27.3,28,27.6,26.2,24.9,23.7
1923,23.2,24,25.8,27.3,27.9,27.7,27.5,27.8,27.5,25.8,23.7,23.8
1924,23.3,22.1,24.9,27.1,28.1,28.1,27.9,27.9,27.4,25.9,23.7,24
1925,24.1,23.8,24.8,25.7,26.5,27.1,27.4,28,27.5,27.1,25,23.5
1926,22.9,23.4,25.4,26.9,26.7,27.6,28,27.7,27.9,26.6,23.9,24
1927,22.3,25,25.1,26.9,28.4,28.4,27.4,28.2,27.8,26,24.3,23.3
1928,22,24.3,25.4,26.2,26.6,28.5,27.8,28.1,28,26.6,24.3,22.8
1929,23.8,25.3,26.3,27.9,27.7,27.1,26.9,27.4,27.2,26,25.3,22.6
1930,23.5,23.6,24.9,25.7,27.4,26.9,27,27.9,27.5,26.4,23.8,22.1
1931,22.2,23.4,23.7,25.3,26.8,27.4,27.4,27.9,27.7,26.1,23.9,24.6
1932,24.5,25.3,24.9,25.9,26.8,27.3,27.5,27.9,28.2,26.5,23.1,23.5
1933,23.5,25.1,25.5,27.8,27.6,27.2,27.4,27.4,27.1,26.2,23.8,23.1
1934,23.5,23.4,24,26.5,26.6,26.8,27.1,27.6,27.4,26.2,24.4,23.5
1935,22.5,22.7,25.4,27.2,28.4,28.2,27.2,27.4,27.8,26,24,23
1936,24.1,24.8,25.3,26.5,26.8,27.3,27.1,27.6,27.4,26.9,24.6,23
1937,24.9,24.7,25.4,26.6,27,27.5,27.1,27.6,27.3,25.9,23.4,22.5
1938,22.7,23.4,25.9,26,27.2,26.9,26.9,27.2,27.1,25.4,24.3,22.3
1939,23.3,24.8,25.1,26.4,26.8,27,27.3,27.5,26.9,26.2,23.3,23.1
1940,21.8,21.9,24.7,25.9,26.6,27.4,27.5,28,27.4,25.4,24.3,23.3
1941,22.7,22.7,24.2,26.9,26.1,28.1,27.5,28,27.7,26.5,24.4,24.4
1942,22.3,23.4,24.8,26,27.7,27.8,27.1,27.2,26.9,25.7,24.3,23.6
1943,23.3,22.3,24.5,25.6,26.8,27,27.6,27.6,27.4,25.3,23.1,22.3
1944,21.9,24.7,26.2,27.2,27,27.3,27.7,27.9,27.5,25,23.9,22
1945,23,25.2,26.5,27.8,27.3,27.9,27.9,27.4,26.9,26.2,23.8,23.5
1946,24.4,24.9,25.3,26.7,28,27.2,27.2,27.5,27.6,26.1,25.9,23.5
1947,24.9,22.8,25.1,28.1,27.5,28,27.7,27.5,27.6,26.8,26.4,23.9
1948,23.4,24.6,26.2,26.5,27,27.3,27.5,28,27.8,26.3,25.5,23.5
1949,24.1,23.6,26.1,27.4,27.1,28,27.9,28,27.7,26.6,22.8,22.7
1950,23.6,23.3,24.9,25.2,26.9,27.2,27.3,27.1,27.1,26.3,23.6,21.9
1951,22.8,23,24.9,26.7,26.7,28.4,27.7,28.2,28,26.7,24.4,24.5
1952,24,23.6,27.3,25.8,27.1,27,27,27.4,27.9,25.2,24.7,23.1
1953,22.8,24.3,26.7,28.5,27.3,28.1,27.9,28.5,28,25.8,24.6,23.9
1954,24,22.7,25.5,26.7,26.6,27.3,27.7,27.9,27.3,25.8,23.8,22.5
1955,23,22.9,25.6,27.1,27.3,27.8,27.2,28.2,28,25.8,24.9,23.5
1956,22.2,24.9,24.9,26.8,27.3,26.3,27.5,28,27.1,26.1,23.5,23.6
1957,24,24.6,25.3,26.9,27.5,27.8,28,28.3,27.7,25.9,25.8,22.5
1958,21.6,22.5,25.8,27.8,27.1,28.3,27.7,28.8,28.2,26.9,26.7,24.1
1959,23.6,26.2,25.7,26.6,27.2,28.3,27.8,28,28.3,27.3,24.8,22.9
1960,23.6,23.7,24.9,26.6,27.5,27.5,27.4,27.6,28.1,27.4,24.9,22.5
1961,23,24.6,26.7,27,28.1,27.4,27.5,27.9,27.5,25.6,25,23.9
1962,23,22,25.6,26.3,25.8,27.5,28,28,27.7,26.8,24,22.6
1963,23.7,23,26,26.4,27.3,28.7,28.1,28,27.8,25.8,24.9,21.9
1964,23,24.5,27,28.2,27.4,27.1,27.3,27.9,27.6,25.2,24.8,23.7
1965,23,24.6,25.2,26,26.8,27.1,27.2,27.4,27.2,26.2,24.6,23.4
1966,22.3,23.5,24,26.7,27.2,26.9,27.2,27.9,27.3,25.9,22.9,21.8
1967,23,23.2,25,26,27,27.6,27.7,27.8,27.5,25.8,24,24.1
1968,22.8,21.9,23.5,26.8,26.8,27.8,27.4,28,27.5,26.2,24.1,23.1
1969,23.5,24.2,24.7,27.5,28.2,28.4,28.2,27.8,27.7,26.7,23.8,22.9
1970,22.5,22.3,25.6,28.3,27.3,28,27.2,27.9,27.4,26.4,22.5,23.6
1971,23.4,24.9,24.9,25.4,27.7,27.3,27.1,27.3,27.9,25.6,24.7,24.9
1972,24.7,24,25.6,27.4,27.8,28,27.4,27.2,27.2,26.2,26.4,23.7
1973,24.3,22.7,26.4,27.4,27,28,27.6,27.1,27.6,25.9,25.4,22.1
1974,24.8,25.1,24.7,26.8,28.5,27.2,27.2,27.4,27.1,25,24,23
1975,23.9,24.6,26.1,28.5,28.1,28.4,27.6,27.7,26.6,25.7,24.1,22.5
1976,21.8,22.3,26.4,25.6,26.9,26.2,27.4,27.6,27.5,25.8,24,22.9
1977,21.9,22.9,26.5,25.7,26.6,27.1,27.3,27.4,27.4,25.9,24.3,23.1
1978,22,21.9,24,26.5,27.8,27.5,27.2,27.7,27,26,25.3,24.5
1979,23.1,23.5,25,27.3,27.9,27.8,27.7,27.5,27.1,26.2,24.3,23.2
1980,23.7,23,26.4,26.4,28.8,27.7,27.9,27.8,27.5,26.1,24.1,21.4
1981,20.5,23,24.9,26.8,28.4,27.5,27.5,27.7,27.2,26.7,24,23.5
1982,24.3,25.2,26,27.9,27.7,28,27.5,27.5,27.1,26,24.7,23.7
1983,22.9,23.3,24.3,26.7,28.8,28.5,27.2,27.7,27.7,26.3,25.2,24
1984,22.4,23.5,25,27.1,27.1,27.1,26.8,27.2,26.9,26.5,23.9,23.6
1985,22.4,24.8,26,26.3,27.6,28,27.4,27.9,27.1,26.4,25.3,23
1986,22.1,24.9,24.2,26.3,27.3,27.8,27.5,27.6,27.7,26.6,25.9,24.4
1987,22.6,24.8,25.3,25,28.3,28.1,27.7,27.9,28.3,25.6,24.7,23.7
1988,23.1,23.4,25.3,27.1,27.7,27.6,27.8,27.9,27.1,26,25.2,22.9
1989,24.2,25,24.9,26.5,27.8,28.2,27.9,28.1,27,25.8,25.5,22.4
1990,24.8,25.7,25.1,26.6,28.2,28,27.9,28,27.6,26.4,25.1,23.9
1991,24.8,24.4,26.3,28,27.8,28.6,28.3,28,27.7,26.5,24.1,24.2
1992,23.5,23.7,25.9,26.6,26.4,28.6,27.8,27.6,27.3,26.1,25.3,24.6
1993,24.2,25.4,25.9,26.1,27,28.7,28.2,28,27.7,26.6,24.5,22.8
1994,23.5,25.3,25.5,27.7,27.9,27.9,28,28,27.3,27.2,25.6,23.9
1995,23.8,24.1,25.6,28.1,29.4,28.8,28.2,28.6,27.9,26.7,25.6,23.7
1996,22.9,23.4,24.7,26.9,27.7,27.9,28,27.9,28.6,26.9,25,24
1997,23.8,25.6,27.3,27.9,28.4,28.6,28.1,28.4,27.8,26.6,25.8,24.3
1998,24.3,24.7,25,27.4,28.6,29.3,28.3,28.8,28.7,27,25.5,23.9
1999,23.5,24,25.1,27.6,28.9,27.2,27.3,27.8,27.8,26.1,23.5,22.8
2000,23,23.9,26,26.8,28.5,27.4,28.2,27.5,27.9,26,25.5,23
2001,22.6,25.6,25,27.4,27.4,28.4,27.9,28.1,28,26.9,25.1,24.6
2002,24.2,23.7,26,27.4,27.7,27.9,28.3,28.4,28.3,27.3,25.2,23.7
2003,22.5,25.1,26.8,26.5,28.9,28.6,28,28.4,28.5,27.7,25.6,22
2004,23.7,24.3,25.8,26.4,27.2,28.4,28,28.6,28,27.3,25.5,23.6
2005,23.4,24.4,26.3,27.1,28.1,28.1,28.4,28.6,28.3,26.6,24.8,23.9
2006,23.6,23.2,25.5,27.4,27.8,27.6,28.1,28.4,28.2,27.5,24.4,24.3
2007,25,24.5,25.7,27.1,27.8,28.6,28.8,28.4,28,27.1,25.1,24.6
2008,23.9,25.5,25.4,26.9,28.6,27.4,28.1,28.7,28.2,26.1,23.5,23.8
2009,23.5,24.6,25.2,27.4,29,28.3,28.4,28.2,28.6,27.8,24.7,24.5
