1901,20.9,23.6,26.3,30.4,29.1,28.1,27.9,27.5,26.9,27.1,24.7,21.5
1902,20.8,23.1,26.8,29.5,28.7,27.3,27.2,26.9,26.8,26.2,23.8,21.2
1903,20,22,25.9,29.9,29.1,27.2,27.6,26.4,26.8,27,23.8,19.7
1904,19.8,21.7,26,28.5,28.5,27.4,27.2,27.1,27.5,26.8,23.7,20.3
1905,19.8,21.8,25.6,28.8,29.3,27.5,27.6,26.9,27.6,27,24.5,22.3
1906,21.9,22.9,25.8,29.5,29.9,27.7,28,27,28,26.8,24,21.4
1907,21.1,22.5,25.3,29.1,28.2,27.5,27,27.1,27.1,26.8,24.3,20.5
1908,20.9,22.5,26.8,30.4,28.4,27.6,27.2,27.1,27.3,26.6,23.4,21.1
1909,20.8,22.9,27,29.7,28.2,27.3,27.7,26.7,27.7,27.5,24.5,20.6
1910,20.9,22.1,25.4,29.2,28.9,27.4,26.9,27,27.3,26.4,24.2,20
1911,21.1,22,25.6,29.3,28.6,27.6,27.1,27.1,27.4,26.4,24.2,21.2
1912,20.6,22.8,26,29.3,29.2,27.8,27.1,26.7,27,26.3,23.7,20.6
1913,20.8,24,25.6,28.9,28.1,27.6,27.2,26.6,27,26.3,23.4,20.2
1914,19.7,22.9,26,28.8,28.9,27.6,27.4,26.3,27,25.5,24,21.5
1915,21.3,23.2,26.4,29.5,28.3,27.4,27.1,27.1,26.8,27.5,24.6,20.2
1916,20,23.5,26.3,29.3,29,27.8,28,27.8,28.1,27.3,25.7,21.5
1917,20.3,22.6,25.6,28.8,28.6,27.5,27.8,27.7,27.6,27.4,26,21.1
1918,20.4,22.6,26,28.5,27.9,27.2,28.1,27.3,28.1,27.4,24.6,22.2
1919,22,23.5,26.9,29.8,29.8,28.1,27.8,28.4,27.3,27.6,25.6,22
1920,21.3,22.6,26.6,29.2,28.6,28,28.6,27.3,27.9,27.2,24.8,22.3
1921,21.9,23,26.6,30,29.1,27.8,28,27.9,27.9,26.4,24.9,21.7
1922,21.8,23.3,26.3,29.4,29.1,28.1,28,27.7,28.1,27.4,25,21.9
1923,21.7,21.7,26.1,29.5,28.6,28,26.9,27,27.1,26.3,24.7,21.8
1924,21.6,22.7,27.2,30.3,29,27.9,27,26.8,26.6,26.7,24.7,20.1
1925,20.5,22.6,26.5,29.2,28.3,27.9,27.9,27.4,27.7,26.4,24.6,21.8
1926,21.8,22.9,26.2,29.1,29.1,27.7,28.1,27.9,28.1,27.7,25,22.8
1927,21,22.9,25.3,28.9,28.3,28.1,28.4,27.8,27.5,27.1,24.7,22.2
1928,22.6,24.2,26.3,29.8,28.9,27.1,28.2,27.7,28,26.9,24.3,22.8
1929,22.3,23,26.5,29.6,29,27.5,28.6,27.8,28.1,27.6,24.8,22.1
1930,20.4,22.6,25.9,29.8,28.7,27.5,27.2,26.6,27.3,26.6,24.6,21.7
1931,22,23,26.6,31.3,29.7,28.1,27.8,27.7,26.9,26.3,23.4,21.8
1932,21.3,22.1,26.6,29.8,30.5,28.2,27.3,27.3,27.2,26.9,25.1,20.8
1933,21.9,22.8,26.9,29.5,28.3,27.5,27.2,26.5,27,26.8,23.7,21
1934,21.5,22.7,26.5,30.2,30.7,27.7,26.9,26.8,27.3,26.4,23.9,19.5
1935,20.9,23,26.7,29.1,30.5,27.7,27.2,26.3,27.2,27.2,24.9,22.3
1936,20.6,21.7,26.8,29.7,29.3,27.2,26.8,27.2,26.8,25.8,25.2,23.1
1937,20.9,23.7,25.8,30.4,28.1,27.8,27.3,27.2,27.3,26.8,25.4,22.1
1938,21.9,22.5,27.5,30.7,27.3,27.6,26.8,26.7,27.1,26.6,22,20.8
1939,21.7,22.2,25.8,30.6,28.4,27.3,26.3,26.4,26.4,26.3,24.3,19.6
1940,19.8,21.6,23.9,30.4,28.1,27.3,26.5,26.8,26.9,26.4,23.8,20.5
1941,20.9,22.3,26.4,30.3,29.4,27.6,27.5,27.3,27.1,26.6,24,22.6
1942,20.8,23.5,26.6,29.7,28.8,27.5,27.7,26.8,26.9,27.1,24.7,21
1943,20.7,21.8,25.7,28.4,28.9,27.1,27.3,26.4,27,26.8,24.3,21.4
1944,21,22.5,26.7,29.5,29,27.4,27.7,27.2,26.8,26.9,23.8,20.8
1945,21.2,22.2,26.4,29.7,28.6,27.6,27.5,26.7,27.4,26.3,24.8,21.5
1946,20.3,23.4,26.6,28.5,28.9,28.1,27.7,27.1,27.1,26.1,24.7,23
1947,22.1,23.2,27,29.7,29.9,27.9,27.3,27.6,27.4,26.5,24.1,21.9
1948,20.9,22.5,25,28.2,27.5,28,27.4,27.2,27,26.2,24.1,21.8
1949,20.7,22.4,25.7,27.9,28.1,28,27.2,27,27,27.2,24.4,20.3
1950,20.6,22.2,25.5,28.9,29.5,27.8,27.3,26.9,27.4,26.8,24.2,20.1
1951,19.6,22,25.8,29.2,28.6,27.3,27.5,27.5,27.6,27,24.8,21.9
1952,20.6,23.3,25,29.4,29.7,28,27.2,26.9,26.7,26.9,24.3,20.2
1953,20.8,22.6,26.6,30.4,28.1,28.2,27,26.8,27,27,24.4,22
1954,20.4,23.1,26.3,30.7,28.4,27.7,27.4,27,27.3,26.1,23.6,21.2
1955,20.1,22.3,25.9,29.7,28.6,27.5,26.7,26.7,27,26.8,24.4,19.5
1956,20,22.3,26.5,30.2,27.3,27.7,27.2,26.9,26.8,26.5,24,21
1957,20.8,21.6,25.9,30.4,30.7,28.1,27.1,27.4,27.4,26.5,24.2,21.5
1958,21.5,22.4,25.9,30.5,29.7,28.5,27.3,27.3,27.4,27.2,24.2,20.4
1959,20.9,22.3,25.3,30.3,29.1,28.5,27.3,26.7,26.4,26.2,23.9,22.5
1960,21,22.8,25.6,30.7,29.4,28.2,27.2,27.1,27,26.5,24.4,21.1
1961,20.7,22,26.6,29.4,28.9,28.3,26.9,27,26.4,26.3,23.7,20.5
1962,19.8,22.3,25.7,29.7,29.3,27.5,27.8,27,27.3,26.3,23.7,21
1963,19.6,23,26,28.2,28.4,27.4,26.9,27.1,27.4,26.2,24,20.8
1964,20.7,22.7,26.2,29.8,28.3,27.7,26.7,27,27.2,26.7,24.2,20.7
1965,20.2,22.4,25.3,29.9,29.5,27.3,27.1,26.6,26.8,26.2,23.8,22.4
1966,21.6,23.4,26.4,30.7,30,27.3,27.5,26.8,26.8,26.2,25.2,22.3
1967,21.3,22.4,25.9,29.3,28.9,27.8,27.3,26.9,26.2,26.1,23.3,21.1
1968,20.4,21.6,25.9,28.4,28.3,27,27.4,27,27.3,26.4,24.6,21.7
1969,20.2,22.4,26.1,30,29.5,27.8,27.4,26.5,27.1,26.6,24,21
1970,20.4,22.5,26,30.1,28.2,27.6,27,26.9,26.8,26.4,23.9,21.5
1971,20.3,22,26.5,29,28.8,27.1,26.5,26.2,27,26.1,22.5,20.6
1972,20.1,21.5,26.5,29.1,30,27.9,27.7,26.7,27.4,26.9,25,21.6
1973,21,23.4,26.8,30.3,27.7,28,27.6,27.1,27,27,23.8,20.2
1974,19.2,21.7,24.6,29,28.5,27.5,26.9,26.9,27,27.4,25.1,20.7
1975,20.8,23,28.4,27.9,26.6,27.6,26.9,27.2,27,27.2,24,20
1976,20.1,22.8,28.1,27.8,27.2,27.4,27.3,26.5,27.3,26.5,23.8,21
1977,20.7,21.5,26.8,28.6,28.3,26.9,26.6,26.4,26.5,25.9,23.6,21.3
1978,19.4,22.4,25.9,30,28.8,28,27.8,27.8,27.3,27.2,25.2,22.5
1979,22.1,23.9,26.7,30.6,30.8,28.6,28.2,26.9,27.6,27,25.1,22.1
1980,21.1,23.1,26.8,31.7,30.1,27.8,27.6,26.7,27.6,26.2,24.8,21.7
1981,21.2,23.1,26.4,29,29.2,27.7,26.9,27.2,27.2,27.1,25.1,21
1982,20.6,22.8,26.1,29.7,30.4,27.6,27.5,26.9,26.9,27.1,24.5,20.2
1983,20.3,23.2,26.4,30.1,30.8,26.8,28.1,27.4,27.5,26.9,23.9,20.4
1984,21.1,24.1,26.9,30.3,29,27.5,27,27,27,26.5,24.4,21.9
1985,21.8,23.2,27.3,30.5,28.8,27.2,26.6,27.1,27.1,27,23.8,21.6
1986,21,23.8,26.4,30.5,28.9,27.9,27.1,27.6,26.9,26.6,24.7,22.1
1987,21.8,23.4,26,29.8,31,27.7,28.1,27.5,27.7,27.4,25.9,21
1988,21.5,24,27.3,29.8,29.6,27.1,27.6,27.3,27.6,27.1,24.4,21.8
1989,21.1,22.7,26.6,29.9,28,27.5,27.3,27.5,27.2,26.3,23.9,20.3
1990,21.2,23.4,25.2,29.2,29,28.5,27.5,27.6,27.3,26.6,25.2,21.7
1991,21.2,24.1,27.9,29.7,29.9,27.2,27.7,27.2,27.5,27.1,23.8,21.1
1992,20,21.5,26.9,29.2,29,28.9,27.2,27.4,27.2,25.8,23.7,19.8
1993,20.6,22.4,26,29.3,28.7,27.9,28.2,27.1,27.3,27,24.2,21.7
1994,21.9,23.5,26.3,30.2,29.4,27.9,26.7,26.9,27.5,26.3,23.6,21.4
1995,21.3,22.1,27,31.4,30.3,28.3,27.5,27,27.3,27.1,24.5,20.8
1996,20.7,22.5,27,28.7,28.4,27.4,27.2,26.8,27.2,26.4,24.7,21.9
1997,20.3,22,26.5,27.8,30,28,27.6,27.6,26.8,26.5,25,22.2
1998,20.7,22.9,26.2,30.3,30.2,28.8,27.8,27.7,28.3,28.2,25.5,23.1
1999,22,25.3,27.4,30.5,27.2,27.9,27.1,26.9,26.6,26.9,24.4,21
2000,21.7,23,25.7,30.2,27.4,27.7,26.9,27.4,26.5,27.1,24,21.6
2001,22,24.1,27.2,31.5,27.9,27.2,26.7,27,27.1,26.7,23.4,22.1
2002,21.1,23.5,27,30.2,28,27.9,27,26.4,26.6,26.4,24.4,22.2
2003,20.7,22.9,25.4,30,29.5,27.3,27.4,27,27.2,27,24.3,21.3
2004,21.3,23,27.7,29.8,28.8,27.7,26.5,26.9,26.4,26.1,24.3,20.7
2005,20.9,24.2,27.2,29.9,28.9,27.9,27.3,26.6,26.9,26.5,24.3,21.7
2006,21,24.6,27.6,29.4,27.9,27.6,26.9,26.5,27.1,26.8,24.4,21.7
2007,20.7,22.7,26.3,30.1,28.1,27.8,27,27.2,27.2,26.5,23.8,21.5
2008,22.9,23,27.4,30.5,28.6,27.6,27.5,27.2,27.3,27.1,24.5,21.7
2009,21.4,24.7,27.2,30.6,29.2,28,27.7,27.7,28.2,27.6,25.1,21.9
