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