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