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