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