1901,19.2,19.9,24.9,26.6,28.7,29.3,27.6,26.1,25.4,25.8,25.2,22.4
1902,21.3,21.1,25.6,27.3,29,28.7,27.7,27,25.9,27.3,24.6,21.7
1903,19.4,20.1,22.3,26,28.5,29,27.6,26.7,26.1,26.4,23.6,20.7
1904,20.2,22,23.7,26.3,28.3,28.4,26.1,25.5,25.3,26.8,23.8,22.1
1905,18.7,18.4,22.4,25,28.2,28.4,26.8,26.2,26.5,27.3,25.4,21.6
1906,19.1,19.6,22.7,25.2,28.2,28.3,27,26.3,26,27.1,25,22.1
1907,20.9,21.1,23.8,26.2,27.8,28.2,27.6,25.3,25.7,25.4,25.1,21.6
1908,20.3,20.3,23.4,26.7,28,28.6,26.2,24.9,25.9,26.1,23.5,20.6
1909,18.7,21,24.5,26.1,28.4,27.9,25.9,25.8,25.4,25.3,24,20.7
1910,19.7,21.2,24.1,25.6,27.8,27.9,26.6,25.7,25.9,25.6,23.1,20.4
1911,19.9,21,23,25.3,28,27.8,27,25.8,25.6,25.9,24.5,23.4
1912,21.4,21.3,23.3,26.7,28.5,28.9,26.9,26,26,26.5,23.7,21.5
1913,20.7,20.8,21.8,25.7,28.7,27.6,26.7,26,25.9,27.2,24.1,20.9
1914,21,20.4,22.7,25.3,28.2,28.4,26.3,26,25.7,26.5,25.4,21.3
1915,20.1,19.9,23.6,26.1,28.4,28.5,27.9,26.4,25.9,26.7,25.4,21.6
1916,20.9,19.3,25.7,26.3,28.2,28.4,27.3,26.1,26.3,26.9,23.8,20.7
1917,21.3,21.4,23.6,26.2,27.4,27.6,26.6,25.8,25.6,26,22.4,20.6
1918,20,20.8,24.7,25,28.6,28.2,27.4,26.2,26,26.5,25,21.6
1919,20.4,20.8,23.2,25.8,28.4,28.3,26.8,25.5,26.1,26.9,24.9,21.2
1920,21.4,21.1,24.5,26,28.1,27.6,26.7,26.1,26.6,27,25.4,21.2
1921,20.7,21,25,26.9,28.5,29,27.4,26.2,25.7,27.1,24.3,22.3
1922,19.9,21,24.1,26.8,28,28.8,27.2,25.4,25.8,26.5,25.1,20.7
1923,20.9,20.2,24.8,25.8,27.9,28.6,26.7,25.9,26.5,26.4,23.5,22.1
1924,20.2,20.5,25.7,26.8,28.5,29.2,27.6,26.3,26,26,24.1,22.1
1925,18.7,19.8,25.6,27.4,28.9,28.1,26.7,26.4,26.4,27.9,25.6,23.1
1926,21.4,22.7,24.3,26.1,28.1,29.4,27.2,26.6,25.8,26,23.9,21.6
1927,19.1,21.1,23.6,25.2,27.9,28.5,26.6,26,26.8,26.7,23.4,22.1
1928,20.8,20.9,24.2,27.2,28.5,28.7,26.7,25.8,25.9,26.6,24.7,21.3
1929,19.7,21.1,25.8,27.3,29.6,29.2,27.7,26.3,26.4,27.1,26.3,21
1930,20.2,21.1,24.2,26.7,28.6,28.8,26.5,25.8,26.7,27.6,24.5,21.9
1931,20.9,21.1,24.2,27.1,28.8,29.3,27.7,26.6,26.5,26.4,25.1,22.4
1932,21.5,21.6,24.7,26.7,28.3,28.5,26.7,26.2,26.1,27.9,25,22.6
1933,21,21.3,24.5,27,27.9,28.8,27,25.9,26.3,27.8,25,22.1
1934,18.8,21.6,24.7,27,28.2,28.3,26.8,25.9,26.3,26.8,24.7,22.6
1935,19,21.2,25.2,25.7,28.1,28.9,26.7,25.6,25.1,27.3,24.5,22.4
1936,19.7,21.5,24.7,25.9,28.8,28.2,26.8,26.4,26.3,27.2,25.6,21.9
1937,20.1,21.3,23.8,25.9,28,28.3,26.3,26.1,26.1,26.9,25.6,20.6
1938,20.2,21,24.6,27.2,29,28.5,26.6,26.3,25.8,25.7,24.1,22.7
1939,21.2,21.9,23.8,25.6,27.7,28.9,26.6,26.1,25.8,27.6,25.6,22.9
1940,21.9,22.2,23,26.1,28.5,28.8,27,26.3,26,27.8,26,21.9
1941,20.5,22.2,24.9,27.7,29.2,29.2,26.4,26.8,27.1,28.3,25.1,22.2
1942,19.3,21.7,24.5,27.1,28.8,29.2,27.5,26.5,26.5,26.9,23.8,20.9
1943,19.2,21.6,24.7,27.1,29,29.2,27.1,26.6,26.1,27.4,25.1,21.7
1944,19.9,20.2,23.6,26.2,29.4,29.5,27.3,27,26.6,27.3,24.1,21.7
1945,18.2,20.6,24.9,25.8,28.3,28.9,26.7,27.3,26.4,25.8,23,19.3
1946,19.5,21.9,23.7,27.3,29,29,26.9,25.5,25.8,27.3,23.7,20.9
1947,19.7,21.1,23.4,27.1,28.7,29.6,27.5,26.8,26.5,25.5,23.8,20.9
1948,19.3,20.4,24.5,27,29.6,29.8,28.1,26.4,26.4,25.8,24.1,21.1
1949,21.1,20.9,25.1,26.7,28.3,29.6,27.4,26.8,26.9,26.6,23.3,20.8
1950,19.7,18.6,23.2,27.2,28.5,29.1,26,26.3,26.2,26.5,23.3,20.1
1951,19.1,20.4,24.9,25.7,27.9,29,27.8,26.5,27.2,27.3,25.5,21.8
1952,19.9,21.3,24.2,26.7,29.3,29.1,26.7,25.8,26.1,26.6,22.8,21.6
1953,19.6,22.6,25.5,27.2,28.8,28.7,27.5,26.3,26.5,27.6,23.8,21.8
1954,19,21.8,26,27,28.9,29.2,27,26.4,26,26,23.4,20.7
1955,20.6,21.8,25,26.5,29,28.9,27.9,26,26.4,26.5,23,23.3
1956,19.8,20.8,25.2,27.6,29.1,28.9,25.6,25.3,25.6,25.8,24,20.7
1957,19.6,19.5,22.6,26.5,27.9,29.2,27.3,26.2,26.1,26.7,26,22.1
1958,21.6,21.1,25.1,26.9,29,29.5,27.4,27.3,26.1,26.5,24.7,21.9
1959,19.6,21,25.5,28.5,29.9,29,26.5,26.2,26,26.3,24.1,22.2
1960,19.5,23,23.4,27,29.5,29.1,27.5,25.6,26.4,26.4,24.8,22.1
1961,20.7,20.4,25.6,26.7,28.6,28.3,26.2,26.6,26.2,26.1,24.6,21.2
1962,18.9,22.2,23.8,26.5,29,29,27.1,26.3,26.5,26.6,24.9,22.1
1963,21.2,23.5,25,27.1,28.6,29.2,27.2,26.4,26.1,27.3,25.3,22.2
1964,18.5,20.3,24.5,27,29,28.6,27.1,26.4,26.3,25.8,24.4,21.2
1965,21.5,22.1,24.6,26.6,27.9,29.1,26.8,26.8,26.6,27,25,22.5
1966,21.6,23.2,24.2,26,28.9,28.5,27.7,26.9,27,28.5,25.4,21.4
1967,19.4,22.6,24.9,27.1,28.8,28.2,27,26.5,26.7,27.4,24.6,21.7
1968,19.1,20,25.2,26.2,27.6,29.2,27.8,26,27,27.5,25.3,21.8
1969,20.1,21,25.1,27.3,29.5,29.3,27.8,26.3,26.3,27.1,26.1,22.3
1970,19.9,20.7,23.9,26.1,28.9,28.9,27.4,26.5,26.2,27.3,23.9,20.3
1971,19.3,20.6,24.8,27.3,28.9,27.7,26.8,26,26,25.7,23.5,21.2
1972,20.2,18.8,24.2,26.4,28.8,29.1,27.6,26.8,27,28,24.5,21.4
1973,18.4,21.6,24.8,27.9,29,29,27,26.3,25.3,26.9,23.8,21.7
1974,19.4,20.2,25.3,28.2,28.7,29.1,27.9,27.4,28,27.7,25,21.3
1975,19.5,21.5,23.8,27.5,29.1,28.9,27.2,26.5,26.4,27,23.9,21.5
1976,20.2,21.6,25.5,26.2,28.6,28.7,28,26.4,26.4,28.2,26.4,22.2
1977,19.7,21.8,26.8,27.9,29.1,28.8,27.3,27.1,26.5,28.7,27,22.7
1978,20.1,21.5,23.6,27.2,29.2,28.8,27.1,26.3,26.1,27.3,25.7,21.2
1979,20.5,20.1,23.8,26.8,28.2,29.1,28.1,26.2,27.3,26.7,25.6,22.6
1980,20.4,22.4,24.9,26.8,28.7,28.1,26,25.6,25.7,26,24.5,21.6
1981,18.9,20,24,26,27.9,29.3,27.2,26.2,27.1,27.5,22.7,21.1
1982,20.2,21.3,23.9,26.3,28.1,29.4,27.8,26.8,27,28.3,24.7,22.5
1983,20.2,20.7,23.3,25.9,28.7,28.8,27.8,26.7,27.2,26.3,23.3,20.8
1984,19,20.6,26.4,28.5,29.1,28.9,26.7,25.5,25.6,27,24.3,22.1
1985,19.8,21.6,25.7,26.6,28.7,29.3,27.2,26.2,26.9,26.8,24.3,22.2
1986,20.6,21.3,24.3,27.4,29.5,29.1,27.6,25.8,26.2,26.5,25.3,20.9
1987,20.6,22.2,25.3,27.3,28.5,29.7,29.1,28,27.5,28.5,26.3,22.8
1988,21.7,22.8,24,27.6,29.1,29.4,27,26.8,27.1,26.7,24,21.5
1989,19.1,20.8,23.6,25.9,27.9,28.6,27.1,26.3,27.2,26.7,25.6,21.7
1990,21.5,21.8,23.5,26.4,29.3,28.9,27,25.3,26.3,27.2,24.8,21.8
1991,18.9,20,23.5,27.2,28,28,25.8,25.1,25.1,24.9,25.1,22
1992,20.3,20.3,24.3,25.9,28.6,29.5,27.7,26.7,26.7,27.4,25.6,23
1993,21.3,23,25,26.8,29.4,29.4,28.1,27.9,27.4,27.9,25.9,23.1
1994,21.4,21.6,26.4,27.1,29.3,29.3,26.6,26.7,28.3,28.3,25.9,21.7
1995,19.9,22.3,24.5,27,29.4,30.2,28.1,27.4,27.3,29,25.1,22.6
1996,20.7,22.8,26.2,27.5,29.5,29.6,28.1,26.4,26.6,27.3,23.1,23
1997,20,21.3,25.9,26.8,28.8,28.7,28.4,27.3,27.8,27.9,25.9,21
1998,20.7,21.8,25.1,28.3,30.2,29.9,28.3,27.6,27.5,28.5,25.6,22.7
1999,20.4,23.1,25.9,27.4,29.6,29.1,27.7,27,27.8,27.7,25.7,22.7
2000,21.3,21.7,25.2,26.2,29.6,29.7,27,27.1,27.4,28.5,26.3,23.1
2001,21.1,21.7,24.8,27.8,29.9,28.8,27,27.2,27.7,28.4,26.1,23.3
2002,20.9,23,26.9,28.2,30.7,29.8,28,26.5,26.8,28.9,26.1,23.2
2003,22.4,23.1,25.1,27.8,29.6,29.8,28,27.1,27.3,28.1,26.1,21.9
2004,20.5,22.4,27.1,28.3,30.4,29.6,28.6,26.2,27.6,27.9,26.9,23.7
2005,20.2,21.4,25.1,28.4,29.3,29.3,27.9,26.7,26.5,28.1,25.4,21.7
2006,20.8,24.1,25.1,27.5,30.1,29.5,27.5,25.8,27.5,28.3,26.1,23
2007,21.5,23.3,26.2,28.6,30.1,29.9,28.5,26.9,27.6,27.7,25.8,22.6
2008,19.6,20,24.9,27.4,29.8,29.3,27.5,26.4,27.1,28.2,25.8,23.7
2009,22.4,23.9,26.4,27.6,30.1,30,27.4,28.2,27.9,27.5,25.5,23
