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