1901,22.8,22.3,21.7,22.1,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1902,23,21.8,22,21.9,22.6,21.5,20.1,20.9,21.7,22.1,22.1,22.4
1903,23.4,22.6,22.5,22.2,22.4,20.9,20.1,20.9,21.7,22.1,22.1,22.4
1904,23,22,21.7,21.8,22.2,21.3,20.1,20.2,21.7,22.1,22.1,22.4
1905,23.4,22.8,22.8,22.8,22.9,21.2,20.1,21,21.7,22.1,22.1,22.4
1906,22.9,22.3,22.7,23.1,22.4,21.4,20.1,20.7,21.7,22.1,22.1,22.4
1907,22.7,22.5,22.4,22.3,22.7,21.4,20.1,21.3,21.7,22.1,22.1,22.4
1908,22.7,22,22.2,22.3,22.6,20.5,20.1,19.7,21.7,22.1,22.1,22.4
1909,23,22.5,22.5,22.8,22.6,22.3,20.1,21.8,21.7,22.1,22.1,22.4
1910,22.4,21.7,21.5,21.4,22,22.1,20.1,20.6,21.7,22.1,22.1,22.4
1911,22.6,22.1,22.6,22.5,22.8,21.8,20.1,20.9,21.7,22.1,22.1,22.4
1912,23.1,23.1,23.2,23.1,23.2,22.4,20.1,21.2,21.7,22.1,22.1,22.4
1913,22.8,21.8,21.9,22,22.2,20.8,20.1,20.8,21.7,22.1,22.1,22.4
1914,23.6,22.6,22.9,22.7,22.7,21.2,20.1,20.8,21.7,22.1,22.1,22.4
1915,23,22.5,22.4,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1916,23,22.5,22.3,22.2,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1917,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1918,23,22.5,22.4,22.2,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1919,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1920,23,22.5,22.4,22.2,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1921,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1922,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1923,23,22.5,22.4,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1924,23,22.5,22.3,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1925,23,22.5,22.4,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1926,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1927,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1928,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1929,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1930,23,22.5,22.4,22.2,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1931,23,22.5,22.4,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1932,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1933,23,22.5,22.5,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1934,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1935,23,22.5,22.4,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1936,23,22.5,22.3,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1937,23,22.5,22.5,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1938,23,22.5,22.4,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1939,23,22.5,22.3,22.4,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1940,23,22.5,22.5,22.3,22.6,21.5,20.1,20.7,21.7,22.1,22.1,22.4
1941,24.1,23.2,23.5,23.3,23.6,22.5,19.8,20.7,22.1,23.3,22.1,23
1942,23.9,23.4,23.4,23.1,22.8,22.1,19.5,20.7,21.9,22.3,22.1,22.4
1943,23.2,22.4,22.7,22.5,22,20.1,18.9,20.7,21.9,22.6,22.1,22.9
1944,23.2,22.8,22.5,22.5,23.4,22.5,20.1,20.7,22.8,22.4,22.1,22.9
1945,23.8,23.2,23.2,22.3,23.2,22.2,20.4,20.7,22.5,22.3,22.1,22.2
1946,24.1,23.1,22.9,23.1,22.2,21.8,19.5,20.7,21.5,21.7,22.1,22.2
1947,23.5,22.8,22.9,22.6,23.7,23.3,21,22,22.4,22.9,22.1,22.7
1948,23.5,22.5,22.6,22.1,22.4,22,19.9,21,22.3,22.4,22.1,23.3
1949,23.7,23.1,23.1,23,23.8,22.8,20.7,21,22.5,22.5,22.1,22.4
1950,23.5,22.4,23.1,22.4,23.2,23.2,19.8,20.2,21.8,21.8,22.1,22.9
1951,23.4,22.3,22.6,22.9,23.2,21.9,20.4,20.8,22.1,22.2,22.2,23.4
1952,23.3,22.9,23,22.4,22.9,21.6,19.7,19.8,22.1,22.3,21.7,22.6
1953,22.8,22,22.7,22.6,22,21.8,20.3,20.3,21.8,22.4,21.8,22.8
1954,23.4,21.7,23,22,22.3,21,19.6,20.3,21.7,22,21.8,22.6
1955,22.6,22.4,22.9,22.2,23.2,21.6,19.9,20,21.7,22,21.8,21.9
1956,23,22.9,22.6,22.3,22.5,21.6,19.9,20,21.7,22,21.5,22.4
1957,23,23.1,22.6,22.7,23.7,21.8,19.9,20.5,21.7,22.3,21.9,22.8
1958,24.1,23.4,23.1,22.9,22.3,20.5,19.6,19.9,21.5,22.9,21.8,23.3
1959,23.5,23.1,22.9,21.9,22.9,20.8,20.1,20.9,21.6,22.6,22.1,23.5
1960,23.7,22.4,22.8,22.7,23.4,21.6,20.1,21.2,22.3,22.6,22.5,23.3
1961,23.3,21.9,22.8,22.8,23.4,21.4,19.8,20,22,22.5,21.5,22
1962,22.9,22.8,22.8,22.9,23.2,21.7,20.6,20.6,21.7,22.8,22,22.7
1963,22.7,22.7,22.5,22.9,23.8,22.5,20.8,21.4,22.5,21.8,22.4,23
1964,23.9,23.2,23.1,23,23.6,21.3,20,20.1,22,22.1,21.9,22.4
1965,23.1,22.6,22.3,22.4,23.2,22.1,20.1,20.5,22,22.3,22.6,22.5
1966,23.2,22.9,22.5,22.7,23.5,22.5,20.8,21,21.5,23,22.2,22.8
1967,23.3,22.6,22.9,22.5,22.9,21.6,19.5,20.6,21.7,22.3,22.5,22.9
1968,23.1,22.9,22.6,22.6,22.6,21.5,20.1,20.8,21.4,22.9,22.8,22.9
1969,23.1,23.2,23.4,23.2,24.2,21,19.5,20.8,22.2,22.6,22.4,23.1
1970,23.8,23.6,22.8,23.3,23.4,21.5,20,21.1,21.6,21.3,22.4,22.2
1971,22.7,22.4,22.6,22.3,22.1,22.1,20.5,20.8,22.1,22.4,21.9,21.7
1972,23.1,22.5,22.5,22.1,22.1,20.5,19.9,20.2,21.4,21.8,22,22.6
1973,23.1,22.9,22.5,21.8,22,21.6,20.5,20.4,21.5,21.7,21.9,22.3
1974,22.3,21.8,21.7,21.8,21.9,22,19.7,20.7,21.9,22.5,21.8,21
1975,22.2,21.9,21.8,21.9,22.4,21.2,19.7,19.9,21.7,21.5,21.6,21.5
1976,22.4,21.6,21.8,21.3,21.8,20.5,19.2,19.8,20.9,21.3,21.6,21.7
1977,22.6,22.1,21.9,22.2,22.1,20.9,20,20.7,21.7,22.3,22.1,22.1
1978,22.4,22.8,22.5,21.6,21.8,20.3,19.5,20.9,20.9,21.6,22.2,22.2
1979,23.3,22.9,22.4,22.2,22.9,21.4,20.7,20.3,21.6,22.3,22.8,22.8
1980,23.5,22.9,22.7,22.7,23,21.1,20.2,20.3,22,21.8,22.6,21.9
1981,23,22.8,22.1,22.1,22.8,21.5,19.7,20.6,21.6,22.1,21.4,22.1
1982,22.8,22.4,22.1,21.8,21.9,20.8,19.3,20.3,21.1,21.6,22,22.5
1983,22.3,22.8,23.9,22.9,23.2,20.6,19.9,20.2,22.1,21.2,23,22.7
1984,22.7,22.2,21.8,21.8,22.4,21.8,20.6,21.7,22.6,22.8,21.8,22.2
1985,22.8,21.7,22,21.7,22.1,21.3,20.1,20.8,21.6,22,22.3,22.2
1986,23,22.1,21.7,22.2,21.9,21.4,19.8,20.5,22.2,21.6,22.2,22
1987,23.5,22.4,22.6,22.3,23.1,22,20.5,21.1,21.5,22,22.6,23
1988,23.2,22.6,23.1,22.4,22.8,21.7,20.2,21.6,22,22.2,22.3,22.1
1989,22.7,22,21.9,22.3,21.9,21.5,20.2,21.1,22.3,22.8,22.5,22.5
1990,23.7,22.7,22.6,21.8,22.7,22.1,20.4,20.7,21.2,23,22.6,23
1991,23,22.9,22.9,22.6,22.9,22,20.8,20.8,22,21.4,22.5,22.6
1992,22.5,22.6,23,23.1,22.8,21.1,19.5,20.5,21.1,21.9,22.1,22.4
1993,22.8,21.8,22.1,22.2,22.8,21.5,20.4,20.8,22,22.2,22.5,22.6
1994,22.7,22.4,22.2,22.4,22.5,21.4,19.9,20.7,21.9,21.9,22.6,22.2
1995,24,21.7,22,22.8,22.9,22.1,21.2,21.3,22,23,23.2,22.4
1996,23.7,23.1,22.6,22.5,21.7,21.7,20.5,21.3,21.9,22.5,22.2,22.6
1997,23.1,23.1,22.1,21.7,22.5,21.5,20.4,21.6,22.8,22.8,23.2,23
1998,23.8,24.2,23.5,23.4,22.6,23.1,21.5,21.4,23,22.4,23,23
1999,23.1,22.5,22.7,22.5,22.8,22.4,20.9,21.1,21.1,22,22.8,22.7
2000,23.2,22.5,23.2,22.4,23.1,21.8,20.9,20.8,21.8,21.9,21.9,22.6
2001,23.1,23.4,22.8,21.8,23,22.3,20.9,20.2,21.1,22.2,22.8,23.4
2002,23.3,22.7,22.7,22.7,24,22.2,21.1,21.4,21.8,22.6,22.7,23.1
2003,23.3,23,22.7,22.9,23.3,21.4,20.9,21.2,22.3,22.4,22.9,22.9
2004,23.5,22.8,22.5,22.8,22.5,21.3,20.2,20.7,21.7,22.2,22.9,22.7
2005,23.5,23.4,23.3,23.5,22.7,21.2,20.2,21,22.2,22.4,22.6,22.8
2006,24,22.8,22,23.1,22.9,23.1,20.9,21.3,21.8,22.6,22.3,22.3
2007,24,22.9,22.5,22.1,22.7,22,20.2,21.4,22.5,22.2,22.5,22.6
2008,22.6,22.4,22.6,22.1,23.1,21.7,20.3,20.9,21.9,22.6,22.4,22.9
2009,23.2,22.7,22.7,23.2,23.6,22.2,20.3,20.8,22,22.5,22.4,23.3
