1901,20.7,23,25.8,28.2,27.3,27.2,26.8,26.5,26.3,25.7,23.3,20.5
1902,20,22.5,25.9,27.6,27.9,27.2,26.6,26.3,26.1,25.4,23.2,21.1
1903,20.4,22,26.3,28.7,27.8,26.4,26.5,25.7,25.9,25.5,22.3,18.2
1904,18.4,21.5,25,27,27.2,27,26.4,26.4,26.6,26,22.4,19.2
1905,21.1,23.6,25,27.9,27.7,27.2,26.7,26.4,26.8,26,23.6,22.5
1906,21.6,23.5,25.5,28.6,28.4,27.6,27,26.4,27.2,25.5,22.7,20.5
1907,20.3,22.5,24.5,27.4,27.1,26.6,26.2,26.3,26.2,25.8,23.5,19
1908,20.3,22.3,25.3,28.2,27.4,27.1,26.4,26.2,26.3,25.6,22.2,20
1909,20.1,22.7,25.8,27.7,26.9,27,26.4,26.3,26.9,26.3,23,19.8
1910,20.8,21.9,24.7,27.7,27.8,26.6,26.3,26.3,26,25.4,23.1,19.1
1911,19.9,21.9,25.2,28.1,27.5,27.2,26.3,26.6,26.6,25.6,24.1,21.1
1912,20.4,22.6,25.6,28.1,28.1,27.4,26,25.8,26,25.1,22.1,20
1913,20.5,22.7,24.5,27.6,26.9,27.2,25.8,25.9,26.1,25.3,22.2,19.6
1914,19.8,22.8,25.4,28.1,27.6,26.7,26.4,25.6,26,24.9,23,20.9
1915,20.7,23.5,25.4,27.9,26.7,27.3,26,26.2,25.9,26.2,22.8,18.9
1916,19.2,22.4,25.9,28,28,27.1,26.7,26.5,26.5,25.2,22.5,19.5
1917,19.7,21.9,24.4,27.6,27.7,26.6,26.4,26.1,26.2,25.2,23.2,19.2
1918,19.4,21.4,24.9,26.9,27,26.9,27,26.2,27,26,23.6,21.6
1919,21.1,22.8,26.8,28.2,27.9,27.2,26.5,26.8,26,25.5,23.3,20.6
1920,19.6,22.3,25.8,27.6,27.7,27.2,26.9,26.5,26.7,25.2,23.5,20.7
1921,21,21.9,25.8,28.8,27.4,27.6,26.2,26.8,26.2,25.1,22.5,20.6
1922,21.7,23.3,25.7,28.1,28.4,27.4,26.2,26.5,26.8,25.6,22.5,19.9
1923,20.9,21.9,25.7,27.3,26.6,26.4,25.9,25.8,26.5,25.3,24.1,21.5
1924,21.2,22.9,26.4,27.8,28,27,25.9,26.3,26.6,25.2,23.8,19.5
1925,20.1,21.4,25.4,26.8,27.6,27.4,26.6,26.7,26.5,24.8,23.2,19.3
1926,21.1,22.6,25.2,28.4,28.4,27.7,26.8,26.5,27.2,25.4,23.4,21.3
1927,20.7,22.7,25.8,27,26.8,27.3,26.8,26.8,26.2,25.1,23.1,20.9
1928,22.6,22.3,25.9,27.9,27.9,26.7,26.5,26.6,26.6,24.4,22.2,21
1929,21.9,22.5,24.7,27.1,27.9,26.9,26.4,26.8,26.5,25.6,22.8,21.7
1930,20.4,22.5,24.4,28,27.2,27.1,26.7,25.9,26.2,25.7,23.5,21.3
1931,20.9,23.3,26.2,29.3,29.9,28.1,27,26.8,26.1,24.6,22.4,20.7
1932,19.2,21.8,24.9,28.2,29.1,27.8,26.8,26.7,26.5,25.2,24,19.5
1933,20.4,22.7,25.6,28.6,27.7,27.2,26.3,25.8,26.2,25.6,22.3,20.2
1934,20,22.3,24.8,27.2,28.3,27.3,25.7,26.2,26.3,24.9,23.1,18.3
1935,21.5,23,25.5,27.9,27.8,27.2,26.1,25.6,26.2,26,24.1,21.7
1936,19.8,21.5,24.5,28.5,27.9,26.7,25.8,26.3,25.8,24.5,24,22.8
1937,21.2,23.3,26.3,28.6,26.9,26.9,26.1,26.4,26.3,25.7,24.9,22
1938,21.4,23,25,27.2,26.4,26.5,25.6,26.3,26.3,25.3,21.1,20.7
1939,20.3,22.2,24.7,26.2,27.2,26.5,25.7,25.8,25.5,25.4,23.9,17.1
1940,18,21.8,24.4,27.6,27.1,27,26,26.3,26.7,25.9,22.8,20.7
1941,22,22.9,25.7,28.6,28,27.3,27.2,26.3,26.4,25.4,23.2,21.8
1942,20.6,24.2,26.1,27.8,27.3,26.6,26.4,25.9,26.3,26,23.6,20.9
1943,20.1,21.7,25.5,27.2,27.5,26.4,26.3,25.8,25.8,25.8,23,20.5
1944,21.3,23.4,26.1,28.1,26.7,26.4,26.4,26.3,26.4,26.1,23.5,19.5
1945,21.6,22,25.5,28.6,26.5,27.4,26.8,26.4,26.8,24.8,24.1,20.9
1946,19.6,22.2,26.1,27.3,27.5,27.9,26.9,26.4,26.3,25.1,23.6,22.9
1947,22.6,22.9,26,27.2,28.6,27.4,26.6,27.8,27.3,26.1,23.3,21.5
1948,20.6,23.5,26.7,26.6,27.6,27.9,26.4,26.6,26.3,25.3,22.8,21.9
1949,19.4,21.9,25.7,26.8,27.2,27.8,26.7,26.6,26.7,26,23.9,20.5
1950,20.3,21.2,25.5,27.5,27.4,26.6,26.4,26.5,26.3,25.3,23.9,19.3
1951,20.1,22.2,25.1,27.9,27.3,26.6,26.4,26.6,26.5,25.4,23.9,20.9
1952,21.1,23.5,24.9,27.2,28.4,26.9,26.2,26,25.8,25.6,23.7,19.1
1953,20.8,22.4,25,27.6,27.1,26.9,26.3,26.1,26.3,26.3,23.8,21
1954,21.3,22.7,24.4,28.5,27.3,27.4,27.2,26.4,26.4,24.8,22.9,19.7
1955,18.4,22.3,24.8,27,28,26.4,26.5,25.8,26.5,25.2,22,18.5
1956,18.7,22.8,25.6,28,26.9,26.8,26.3,26.1,26.1,25.2,22.1,20
1957,20.7,21.3,25.1,28.3,28.9,27.2,26.4,26.8,26.5,25.5,24,21.4
1958,20.7,21.7,27,29.1,29.5,27.6,26.7,26.6,26.6,25.6,22.1,18.8
1959,20.3,22.7,24.8,29.2,28.2,28.1,26.4,26.3,25.9,25.3,24,23.1
1960,20.9,22.1,25.7,29.1,28.3,27.8,26.4,26.4,25.9,25.3,24.3,19.9
1961,19.2,21.9,25,27.8,27.5,27.2,26.4,26.4,25.9,25.4,22.7,21.2
1962,19.1,21.3,24.9,27.9,26.4,27,26.5,26.3,26.3,25.2,23.2,20.2
1963,17.9,21.6,24.6,27.3,29,26.9,25.9,26.4,26.7,25.1,23.8,20.1
1964,21.1,21.9,25,27.6,26.9,27.1,26.2,26.5,26.3,25.7,22.1,19.3
1965,19.1,22.9,24.6,27.7,28.3,26.6,26.8,26.1,26.2,25.4,23.1,21.9
1966,21.9,23.6,25.7,28.6,27.8,27.1,26.8,25.9,25.8,25.6,23.8,22.6
1967,20,21.4,25.2,27.6,27.7,27.3,26.7,26.6,25.7,24.9,23.1,19.9
1968,20.3,20.9,25.5,26.5,27.1,26.7,26.8,26.6,26.5,25.4,24,21.8
1969,21.1,22.3,25.8,28.7,28.4,27.3,26.4,26,26.3,25.9,22.2,19.6
1970,20.6,22.6,26,26.9,27.2,26.6,26.3,25.9,26,25.3,23.1,21.7
1971,19,21.5,25.1,27.5,27.2,26.6,25.6,25.6,26.3,24.1,20.8,20.1
1972,19.1,22.2,24.3,26.1,28.4,27.2,26.9,26.1,26.7,26.2,24,21.4
1973,20.3,23.7,25.7,28.7,27.6,27.6,26.5,26.1,26.2,25.6,22.2,18.7
1974,18.7,20.5,24.3,26.9,27.2,26.8,26.5,26.2,26.3,26,23.3,20.8
1975,21.1,23.2,26.3,29,27.7,27.2,26.4,26.2,26.4,26.2,23.1,18.7
1976,19.2,22.4,24.7,27.1,26.6,26.6,26.5,25.6,26.6,25.8,21.5,20.6
1977,20.6,20.3,24,27.1,26,27.2,25.7,25.9,25.4,25,21.4,20.7
1978,20.2,22.1,25.7,28.4,27.6,27.6,26.9,26.9,26.5,25.8,24,21.6
1979,22.8,24.4,27.3,29.1,28.5,27.5,27.9,26.9,27.3,25.5,22.8,21.4
1980,21.1,23,27.2,29.4,28.8,27.5,27.1,26.2,26.4,25.2,24.1,20.8
1981,20.4,23.3,26.4,27.8,27,26.4,25.9,26.3,26.6,25.7,23.7,19.1
1982,20.1,22.7,26.7,26.8,27.7,26.9,26.5,26.2,25.8,25.9,24.2,18.7
1983,19.2,23.7,26.2,30.1,28.8,27.8,27.6,26.6,26.5,25.7,21.8,19.1
1984,19.9,24.4,26.4,28.9,27.3,26.8,26,26.2,26.1,24.6,23.5,21.1
1985,21.6,23.6,25.9,28.2,27.5,26.3,25.9,26.2,26.2,25.4,23.5,20.4
1986,20.1,23.1,24.9,27.9,27,27.1,26.1,26.7,26.3,25.5,23.3,21.1
1987,21.1,22.9,25.8,28.1,28.6,27.3,27.1,26.7,26.6,26.4,25,18.3
1988,21.2,24,26.3,27.6,27.5,26.6,26.5,26.4,26.6,25.1,21.5,19.9
1989,20.8,22.2,24.9,28.4,27.3,26.4,26.3,26.3,26.2,25.1,22.9,19.2
1990,21.3,22.6,24.9,28.1,26.4,26.7,25.9,26.8,26.3,25.7,23.7,20.6
1991,22.2,23.2,27.3,28.8,29,27.4,27,26.4,27.1,25.9,22.9,20.8
1992,19.5,22.1,26.3,29.6,29.6,28,26.4,26.8,26.6,24.3,21.6,19.4
1993,19.8,22.1,25.9,27.9,27.9,27.7,27.5,26.7,26.8,25.7,23.3,20.6
1994,22.1,24.4,25,28.6,27.7,26.7,25.8,25.9,26.7,24.9,22.1,22.1
1995,21.3,21.6,26.4,28.9,28,28.1,26.6,25.7,26.9,25.6,23.2,19.6
1996,20.5,20.9,26.2,27.2,27,26.5,26,26.1,26.4,25.2,23.8,20.6
1997,20.2,21.6,25.3,26,28.5,27.8,26.8,26.8,26.2,26,24.1,22.7
1998,21.7,23.6,27.3,29.1,29.3,28.4,27.3,27.4,27.1,26.6,23.4,22.7
1999,21.9,24.6,26.2,27.2,26,27.1,26.3,26.5,25.8,25.8,23.2,18.7
2000,22.2,22.4,25.3,27.9,25.9,26.7,25.9,27,25.8,26.2,22.6,21.8
2001,22.8,24,25.3,29.2,26.3,26.6,26,26.4,26.3,25.7,21.4,21.5
2002,20.5,23.2,25.7,28.5,27,26.8,26.3,26.1,25.4,25.3,23.4,22.1
2003,20.2,22.9,24.8,28.2,27.9,26.6,26.7,26.4,26.2,25.9,23.7,20.3
2004,20.7,22.3,26.6,28.5,27.1,26.4,25.5,26.3,25.6,25,23.5,19.8
2005,20.9,24.7,25.3,28.3,28.2,27,26.5,25.8,25.9,25.7,23.8,20.7
2006,20.8,23.9,26.6,27.5,26.2,27.2,26.1,25.7,26.3,25.6,23.8,20.9
2007,20.1,23.1,26.3,28.2,26.3,27,26.6,26.3,26.2,25.1,21.9,21.5
2008,22.2,21.5,25.7,28.3,26.6,26.9,26.5,26.5,26.4,26.3,23,20.3
2009,19.8,24.8,26.1,28.3,27.4,27.1,26.7,27.2,27.2,26.8,24.8,21.6
