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