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