1901,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1902,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1903,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1904,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1905,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1906,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1907,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1908,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1909,22.5,22.8,22.8,22.5,22.1,21.6,21.4,21.9,22.2,22.6,22.8,22.5
1910,22.6,22.9,22.7,22.2,22.1,21.7,21.5,21.9,22.4,22.6,22.9,22.6
1911,22.5,23,23,22.6,22.1,21.6,21.4,22,22.4,22.8,23.1,22.7
1912,22.5,22.8,23.3,22.9,22.2,22,21.4,22.1,22.1,22.9,23.2,22.5
1913,22.6,23.3,23,22.7,22.1,21.8,21.5,21.8,22.3,22.7,23.1,22.8
1914,23.2,23.1,23.1,22.7,22.3,21.7,21.9,22,22.6,22.8,23.1,22.9
1915,22.9,23.1,23.3,22.8,23.1,22,21.9,22.6,22.4,23.4,22.8,22.8
1916,22.7,22.9,22.9,22.9,22.4,21.5,21.7,21.9,22.5,22.4,22.7,22.1
1917,22.1,22.2,22.5,22.1,21.6,21.1,21.4,21.4,21.8,22.2,22.5,21.9
1918,21.9,22.4,22.6,22.2,21.6,21.3,21.3,21.8,22.2,22.9,22.9,22.6
1919,22.6,23,23,22.4,22.1,21.9,21.5,21.7,22,22.5,22.9,22.4
1920,22.5,22.8,22.9,22.5,22,21.5,21.3,21.7,22.2,22.9,22.8,22.3
1921,22.4,22.5,22.1,21.9,21.5,21.2,20.7,21.4,21.9,22.2,22.4,22.4
1922,22.3,22.4,22.3,22.1,21.5,21.2,21.1,21.5,21.9,22.5,22.5,21.8
1923,21.5,22.4,22.2,21.8,21.4,21.4,20.6,21.6,22,22.7,22.9,22
1924,23.3,23.1,23.2,22.7,21.8,20.9,21.1,21.4,21.3,21.7,22.4,21.8
1925,21.6,21.8,21.9,22.2,22.1,21.4,21.3,21.6,21.9,23.1,22.9,22.9
1926,22.9,23.3,23.4,22.8,22,21.7,21.3,21.9,22.1,22,22.7,21.7
1927,21.7,21.9,22.1,21.8,21.4,21,20.4,21.1,21.5,21.6,22.5,22.5
1928,22.2,22.3,22.2,22.1,21.6,21.4,20.8,21.2,21.5,22.1,22.4,21.8
1929,22.2,22.5,21.9,21.8,21.4,21.3,20.5,21.5,21.9,22.4,22.5,21.7
1930,21.9,22.3,22.8,22.1,21.8,21.4,20.8,21.5,21.6,22.1,22.9,22.4
1931,23.1,23.2,23.2,22.9,22.2,21.7,21,21.8,22.1,22.5,22.5,22
1932,22.1,22.8,22.2,22.1,21.7,21.3,21.3,21.8,22,22.3,23.1,22.2
1933,22.1,22,22.1,22.1,21.8,20.9,21,21.8,22.1,21.5,21.7,21.4
1934,21.7,21.3,21.6,21.8,21.8,21.6,21.1,21.6,21.8,21.4,22.4,22.1
1935,22.5,22.2,22.4,22,21.2,21,21.4,21.4,21.7,22.8,22.6,22.6
1936,21.7,22.5,22.2,21.6,22.1,21.5,21.3,21.7,22,22.3,23.1,22.4
1937,21.9,22.3,22.6,22,21.8,21.5,21.5,21.9,22.3,22.5,23.3,23.1
1938,22.8,23,22,21.4,21.2,20.9,21.8,21.2,22,22.8,22.7,22.5
1939,21.5,21.8,21.6,21,21.7,21.4,21.5,21.5,21.6,22.9,23.5,23.3
1940,22.5,23,22.9,22.2,22.2,21.8,21.9,21.2,22.1,22.8,23.4,21.5
1941,22,23,23.3,22.8,22.3,21.2,21.7,22.1,21.9,23.1,23.6,23
1942,22.7,22.4,23.1,22.6,21.6,21,21,21.8,22,22.7,23.1,22.4
1943,22.2,21.7,21.6,21.6,21.5,21.2,21.6,21.1,21.6,23,23.1,22.4
1944,21.9,21.7,21.8,21.9,21.7,21.3,21.8,21.7,21.7,22.9,23.2,22.7
1945,22.2,22.2,22.5,22.1,21.4,21,21.5,21.9,22.1,22.6,22.7,22.6
1946,21.9,22,22.3,21.8,21.7,21.4,21.3,21.2,21.6,22.7,22.9,22.9
1947,22.2,22.8,23.2,22.2,21.7,21.6,21.5,21.2,21.6,22.6,22.7,22.7
1948,22.2,22.2,22.2,21.8,21.7,21,21.4,21.4,22,23,23.1,22.9
1949,21.7,21.7,22.4,21.7,21.4,21.1,21.1,21.3,21.5,22.4,22.5,22.7
1950,21.6,21.8,22,22,21.5,21.2,21.2,21.1,22,22.2,23.1,22.3
1951,21.8,21.6,22,21.9,21.8,21.2,21.4,21.8,22.2,22.9,23.1,22.8
1952,22.3,22.4,23.3,22.3,21.9,21.5,21.4,21.5,21.6,22.8,23.3,22.8
1953,22.2,21.9,22.2,22.1,22,21.8,21.4,22,22.5,23.5,23.3,22.9
1954,22.1,22.5,22.5,22.4,22.1,21.5,21.4,21.5,21.8,22.5,22.7,22.2
1955,22.3,22.2,21.9,21.8,21.9,21.6,20.9,21.4,21.8,23,22.6,22.5
1956,21.9,21.8,22.1,22,21.4,21.4,21.4,21,21.7,22.3,22.8,22.7
1957,21.9,22.8,22.8,22.6,22.2,21.5,21.4,21.8,22.5,22.9,22.9,22.9
1958,23.3,23.1,22.9,22.6,22.4,22.1,21.8,22.1,23.1,23,22.4,23.1
1959,23.1,22.6,22.7,22.5,21.8,21.4,21.8,21.8,21.6,21.8,22.7,22.7
1960,22.6,22.3,22.8,21.9,21.6,21.4,21.1,22,21.6,23,22.9,23.3
1961,22.9,22.9,23.1,22.8,22.7,21.5,21.5,21.7,22.1,22.8,23.2,22.1
1962,22.3,22.6,22.6,22.6,21.9,21.3,21.2,21.9,22.2,23.1,23.2,23.1
1963,22.2,22,22.9,21.9,22,21.5,22.1,22.4,22.3,23.5,22.9,22.9
1964,23.7,23.8,23.3,22.6,22.6,21.7,21.6,22.3,22.3,22,22.2,21.9
1965,22.7,22.6,23,23.1,22.3,21.8,21.9,21.6,22.8,23.4,22.7,22.7
1966,23.4,23.3,22.5,23,22.8,22,21.4,21.7,22,23.4,22.9,22.2
1967,21.8,22.6,22.4,21.9,22,21.5,22.1,21.6,21.9,22.4,23.2,22.4
1968,22.2,22.9,22.4,22.1,21.1,21.4,21.6,21.7,21.3,22.5,22.7,22.7
1969,22.1,22.3,23,22.8,22.8,21.9,21.7,21.6,22.4,22.7,23.4,22.3
1970,22.7,22.4,22.8,22.4,22.4,21.7,21.5,21.7,21.5,23.4,22.9,22.4
1971,21.8,21.5,21.7,21.5,21.3,21,21.8,22.2,22.2,22.4,22.4,22.9
1972,21.5,22.1,22.2,22.1,21.9,21.3,22.9,21.8,22.1,23.1,24,24.4
1973,23.8,23.3,23.2,22.6,22.1,22,21.5,21.8,21.6,24.4,22.6,21.7
1974,21.9,22.3,22.4,22.7,22.5,21.5,21.5,21.8,21.7,21.3,22.2,21.4
1975,22,22.1,22.6,22.3,21.9,21.8,21,21.6,21.8,22,22.5,22.6
1976,21.7,21.9,21.5,21.8,22,21.2,21.6,22.6,22.4,23.2,22.1,22.2
1977,23.5,23,22.8,22.8,21.7,21.2,21.9,22.4,22.3,22.4,22.8,22.2
1978,22.7,23.6,23.1,22.4,22.1,21.2,21.5,21.1,22.3,22.1,22.9,24.4
1979,23,23.5,22.4,22.2,22.3,21.5,21.5,22.4,23.1,22.4,23.1,22.2
1980,23.2,24.1,23.1,22.9,22.3,21.8,21.2,21.4,22.2,21.8,22.3,22.4
1981,22.4,22.2,23.1,22.5,22.2,21.7,20.8,21.2,21.8,22.7,22.5,22.1
1982,22.6,23,23.1,22.3,21.7,22.1,20.7,21.9,22.5,22.2,23.2,22
1983,23.4,23.8,23.6,22.8,23.2,22,20.3,22.3,23,22.1,22.4,21.2
1984,22,21.4,23.1,23.1,22.9,21.3,21,21.6,21.4,22.7,22.9,22.7
1985,24.6,22.4,22.9,23.4,22.2,20.9,20.6,21.4,21.7,22.2,21.9,21.7
1986,21.3,24.9,23.5,21.6,21.9,21.5,20.1,22.4,22.3,22.2,22.2,22
1987,22.9,22.6,23.5,22.9,21.9,21.7,23.3,21.9,22.9,24.3,23.8,24.7
1988,23.8,23.3,23.9,23.3,23.1,21.7,21.3,22.8,22.7,23.1,22.8,22.7
1989,22,22,22.3,22.9,21.5,21.1,19.9,22.4,22.8,23.1,22.3,21.8
1990,22.3,22.8,23.2,22.3,22.6,22.1,20.6,22.3,22.6,22.2,22.5,22.1
1991,22.6,23.2,23.2,22.8,22.7,22.1,20.8,20.8,21.8,21.9,22.5,22.3
1992,22.5,23.4,23.2,22.7,22,22,19.8,21.2,22,22.3,22.1,22.4
1993,22.6,23.2,22,22.3,21.7,21.8,20.8,22.6,21.6,23.3,22.4,21.9
1994,22.7,22.5,22.8,21.9,22,21.1,20.8,22,21.9,22.1,22,21.2
1995,23.5,23.7,23.1,23.5,22.9,22.3,21.6,22,22.3,22.7,22.8,22.8
1996,22.9,24.4,23.2,23.1,22.8,21.3,23.1,21,21.2,22.7,23.2,24
1997,22.5,22.3,22.6,23.1,22.2,22.3,23,22.6,22.3,23.6,22.9,22.3
1998,22.7,23.5,23.7,23.4,22.6,22.1,22.1,23.2,22.9,23,22.9,22.6
1999,23.9,22.5,22.4,21.5,22.1,22.2,21.8,21.6,22.1,22.9,23.2,22.9
2000,22.7,22.8,22.6,22.8,23.3,22.4,21.8,22.8,22.9,23.1,23.6,22.7
2001,22.9,22.4,23.3,23,22.7,22,22.4,23,23.2,23.7,24,22.8
2002,23.9,24.1,23.3,23.1,22.3,21.6,22.6,22.3,23,23.4,22.9,22.7
2003,24.7,24.5,24,23.6,23.1,22.6,22.1,22.8,22.8,23.4,23.8,22.9
2004,24.2,23.6,23.8,23.5,22.4,22.5,21.5,22.3,22.8,24.2,23.7,23.1
2005,24.3,23.6,24.2,23.1,22.9,22.4,22,22.7,23,23.8,24.1,23
2006,23.1,23.2,23.4,23.3,22.2,22.5,21.5,22.9,23.2,24,23.4,23.4
2007,23.7,24.6,23.5,23.2,23.2,22.2,22.6,22.5,22.8,23.2,23.5,22.9
2008,22.6,22.7,23,23.2,21.9,22.2,22.1,22.6,22.8,22.9,22.9,21.9
2009,22.4,22.6,22.7,23.1,21.6,22,21.9,22.6,22.9,24.2,24,22.8
