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