1901,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1902,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1903,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1904,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1905,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1906,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1907,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1908,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1909,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1910,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1911,22.9,22.8,23.1,23,21.8,20.6,19.4,19.4,19.5,20.5,21.8,22.4
1912,22.7,23,23,22.9,21.7,20.3,19.3,19.2,19.3,20.6,22,22.4
1913,22.6,22.8,22.9,22.9,21.9,20.3,19.8,19.6,19.7,20.8,22,22.8
1914,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.9
1915,22.9,23.1,23.2,23.2,22,20.5,19.7,19.5,19.6,20.8,22.1,22.7
1916,22.8,23.2,23,22.9,22,20.5,19.7,19.6,19.7,20.8,22.1,22.8
1917,22.9,23.3,23.2,23,22,20.5,19.7,19.5,19.6,20.8,22.1,22.9
1918,22.8,23.3,23.2,23,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1919,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1920,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1921,22.9,23.1,23.2,23.1,22,20.6,19.8,19.6,19.9,20.9,22.4,23.2
1922,23.2,23.4,23.5,23.2,22.2,20.9,19.7,19.6,19.8,21,22.4,23.2
1923,22.9,22.9,23.2,22.9,22,20.4,19.8,19.3,19.5,20.6,21.8,22.6
1924,23.1,23.4,23.3,23.3,22.3,20.9,20.2,20,20.1,21.2,22.4,23.1
1925,23,23,23.2,23.1,22.2,21,20.3,20.1,19.9,20.7,22,22.7
1926,22.7,23,23,22.7,22.1,20.9,20.3,20,20,20.8,22,22.4
1927,22.8,22.8,23.1,22.4,21.4,20.2,19.7,19.9,19.8,21.1,22.2,22.8
1928,22.6,23,23.4,23.4,22.2,20.6,20,19.7,20,21.2,22.5,22.9
1929,22.7,23.3,23.3,22.9,21.9,20.2,19.6,19.2,19.4,20.8,22,22.7
1930,23,23.1,23.2,23,21.6,20.2,19.5,19.2,19.4,20.4,21.7,22.8
1931,22.9,23.2,23.2,23.1,22.3,20.8,20,19.8,19.9,21,22,22.9
1932,22.9,23.5,23.2,23.1,22,20.6,19.8,19.6,19.7,20.8,22,22.8
1933,22.9,23.4,23.4,23.3,22.3,21,20.2,19.8,19.9,21,21.8,22.9
1934,22.5,22.3,22.6,23.2,23,20.7,20.1,20.1,19.6,21.2,22.6,23.2
1935,23.5,23.5,23.5,22.8,22.4,20.1,19.3,18.7,19.9,21.6,22.2,22.8
1936,23.1,23.5,23.3,23.4,22.8,20.5,19.6,19,19.4,21.6,22.9,22.9
1937,23.4,23.8,23.3,24.2,22.7,20.9,19.8,19.7,20.4,21.5,23.2,22.9
1938,22.9,23.2,23.5,23.2,22,20.8,20.3,19.8,20,21.3,22.3,22.8
1939,22.5,23.5,23.3,23.4,23.1,20.5,20.1,20.2,20.1,21.2,22.4,22.7
1940,23.4,23.5,23.5,22.3,22.6,21.3,19.9,19.8,20.1,20.5,22.4,23.4
1941,23.2,23.4,23.6,23.7,23,20.6,19.7,20,20.5,21.2,22.9,23.7
1942,23.8,24.2,24.5,24,23,21.2,19.7,20.1,19.7,20.8,22.3,23.4
1943,23.1,23.4,23.7,24.1,23,20.6,19.5,19.6,19.4,20.5,22.4,23.4
1944,22.3,23.6,23.8,24.1,22.9,21.3,20.2,19.7,20.6,21.4,23.5,23.7
1945,23.7,23.7,24,24.4,23.2,20.1,19.7,19.8,19.4,21.6,22.5,23.7
1946,23.1,23.3,23.7,24,23.2,21.1,19.8,19.5,19.4,20.9,22.8,24.1
1947,24.3,23.8,24.1,23.7,22,20.6,20.1,19.4,20,20.8,22.2,22.9
1948,23,22.8,23.5,23.6,23.2,21.3,20.1,20,20,21.1,21.8,22.6
1949,22.7,22.4,22.9,23.5,22.7,21,20.5,20.5,20.3,21.5,22.5,22.9
1950,22.5,22.7,23.5,23.4,21.6,20.4,19.8,19.4,19.5,20.6,21.5,22.7
1951,22.8,23.2,23.1,22.6,21.9,20.9,19.6,19.8,20.4,21.2,22.2,23.1
1952,23.5,23.7,24.2,23.7,22.8,21.2,20.1,19.8,20.3,20.9,22.6,23.1
1953,23.6,23.5,23.6,23.6,22.6,20.9,19.9,19.7,19.7,20.9,22.2,23.2
1954,23.1,23.6,23.7,23.4,22.6,20.8,20,19.9,20.2,20.5,22.2,23
1955,23.2,22.9,23.5,23,21.7,20.3,19.8,19.3,19.9,20.5,22.1,23.3
1956,22.1,22.7,23.2,22.9,22,20.1,18.9,19.3,18.9,20.2,22,22.6
1957,22.8,22.7,23.3,23.7,22.5,20.8,19.9,20.1,20.1,21.7,22,23
1958,23.3,23.8,24.1,23.7,22.1,20.8,19.7,20.2,20.3,21,23,23
1959,23.2,23.7,24,22.9,21.4,20.5,19.8,19.4,19.8,21.4,22.8,23.7
1960,22.3,22.3,23.3,22.8,21.9,20.4,19.4,18.7,19.7,20.8,21.1,23.1
1961,23.5,24.1,23.5,23.4,22.9,21.2,20.6,20.2,20.6,21.7,22.4,23.4
1962,22.9,22.5,22.5,22.7,21.3,20.7,19.7,20,19.4,20.3,22.2,23
1963,22.6,22.9,23.9,22.7,21.4,20.2,20,19.3,19.1,20.8,23.1,22.5
1964,23,23.4,24,23.3,21.1,20.3,18.6,19.1,18.4,19.7,21.1,21.9
1965,22.4,22.5,23,22.7,21.4,19.5,19,19.2,20,21.3,22.2,22.9
1966,23.1,23.4,23.2,23.1,22.3,20.6,20.4,19.4,20.3,21.1,21.2,22.7
1967,23.4,23.1,23.6,22.8,22.1,20.9,20.3,19.9,19.7,20.8,22.2,21.7
1968,22.2,22.4,22.7,22.6,21.7,19.8,19.2,19.1,19.1,21.1,21.8,22.9
1969,22.6,22.8,23.1,23.6,22,20.5,20.3,19.7,19.8,20.8,22.3,23.1
1970,23,23.4,23.4,22.8,22.5,20.8,20.6,20.3,19.7,20.4,21.9,23.4
1971,22.9,22.6,22.4,22.9,21.5,20.2,19.7,18.7,19.1,19.8,21.3,22.6
1972,22.6,22.8,22.9,22.9,23,20.3,19.8,19.4,20.3,21.7,22.1,23.2
1973,23.2,23.6,24.1,23.6,22.4,20.8,19.1,19.4,19.1,20.1,22.2,22.4
1974,21,21.4,22,22.9,21.7,21,20,19.4,19.8,20.5,22.1,22.7
1975,22.7,22.9,23.7,22.9,22.3,20.7,19.8,18.9,19.4,19.9,21.1,23.6
1976,22.5,22.9,22.7,22.9,21.8,20.6,19.3,19.3,19.6,21,21.5,23.1
1977,23,23.5,22.5,23.7,21.8,19.5,19.6,19.6,19.9,21.2,21.9,22.5
1978,22.7,23.3,22.9,23.1,21.2,21,19.5,19.8,20,20.9,22.1,22.3
1979,23.1,23.4,23.2,22.6,22.1,20.1,19.4,19.9,20,20.6,22.6,23.5
1980,23.2,23.5,23.2,23.6,23,20,19.9,19.9,20,20.7,22.6,23.6
1981,23.4,23.5,23.3,22.2,21.3,20.1,19.1,19.5,19.4,20.8,21.7,23.2
1982,23.3,23.1,22.6,22.4,21.9,20.7,19.9,19,19.4,21,22.1,22.8
1983,23.5,23.8,23.5,24.1,22.6,22.2,20.5,20,19.7,20.9,21.5,23
1984,22.9,22.7,23.4,22.9,22,20.6,19.7,19.3,19.6,20.8,21.6,22.4
1985,22.9,23.5,22.5,22.8,22,20.4,19.8,19.5,19.8,20.5,22.7,23.1
1986,22.7,22.5,23.1,23.2,21.9,20.6,19,18.8,19.6,21.4,22.6,22.8
1987,23.8,23.2,23.6,23.7,22.8,20.8,19.4,20.7,20.2,21.5,22.4,23.7
1988,24,23.7,23.8,23.7,22,21.8,20.3,20.4,20.3,20.7,22.1,22.8
1989,22.7,22.3,22.9,22.2,21.2,20.3,19.5,19.4,19.7,20.4,21.4,22.5
1990,22.6,23.4,23.1,22.6,21.9,20.1,19.1,19.2,19.6,20.6,22.2,22.5
1991,23.3,24.1,24.1,23,22.6,20.7,20.7,19.6,19.6,21.7,22.4,23.4
1992,23.1,24.4,23.8,23.9,22.8,22.2,20.7,20.1,20.7,20.9,22.4,23.3
1993,23,23,23.4,23.6,23,20.8,19.2,19.3,19.4,20.2,22.4,23
1994,24.3,23.7,24.1,23.3,22.3,20.6,20.5,20.2,20.4,22.5,22.4,23.5
1995,23.9,23.6,23.7,23.5,22.6,20.5,20.5,20.2,20.1,21.8,22,23.1
1996,23.9,23.8,23.4,23.3,22.5,21.2,19.7,19,19.4,20.6,21.6,23.4
1997,24,23.4,24.1,23.2,22.1,22,20.4,19.9,20,21.7,22.9,23.3
1998,23.6,24.3,24.5,24.2,22,21.7,20.1,20.1,21,21,21.9,23.8
1999,24,23.4,23.7,23,22.1,21,20.2,19.7,20,20.2,22.2,23.1
2000,23.6,22.6,23.7,23,21.7,20.4,20.4,19.3,19.3,20.6,23.4,23.2
2001,23.2,23.3,24.1,23,22.5,20.9,20.1,19.5,20,21.4,22.6,23.3
2002,23.7,23.4,23.6,23.4,22.5,21.4,20.6,20.6,20.4,21.8,22.5,23.8
2003,24,23.8,24.1,24.2,23.7,22.2,20.2,20.2,20.2,22.3,22.5,22.9
2004,25.1,24.1,24,23.4,22.8,20.7,20.3,20.4,20.1,20.3,22,22.6
2005,23.2,24,23.8,23.2,22.4,21.3,19.9,19.4,20,20.8,22.4,23.6
2006,23.6,23.6,24.1,22.9,21.9,21.2,19.7,20.1,20.3,21.8,23.3,24.1
2007,24.3,23.7,23.8,23.3,22.5,21.5,20.5,19.9,20.5,21.3,22.5,23.8
2008,23.7,24.1,23,23.4,21.3,20,19.7,20.2,20,22,23.1,23.4
2009,23.6,23.8,23.8,23.9,22.3,21.8,20.3,20.5,20.5,21.7,23.2,24.7
