1901,22.5,22.6,22,23.1,23.1,23.5,23,23.1,23.3,23.3,23.3,22.4
1902,22,22.4,22.4,23.1,23.4,23.3,22.6,22.9,23.4,23.3,23,23
1903,22.7,22.7,22.9,22.9,23.1,23,22.8,23.4,23.4,23.4,23.5,22.8
1904,22,22,21.8,22.5,22.5,22.7,22.4,23.1,23.1,23,22.9,22.6
1905,22.3,22.1,22.7,22.6,23,22.9,22.2,22.5,23,22.5,22.7,21.8
1906,21.8,22.1,21.9,22.1,22.7,22.5,22.2,22.1,22.5,22.3,22.6,22.4
1907,21.9,21.7,21.6,23.2,22.7,22.4,22.2,22.6,22.5,22.6,22.9,22.1
1908,22,22.1,22.1,22.4,22.6,22.7,22.3,22.5,22.9,22.5,22.5,22.2
1909,22.3,22,22.2,22.4,22.7,22.6,22.4,22.6,23.2,23,23.2,22.4
1910,22,22.3,22.1,22.5,22.7,22.4,22.3,22.5,22.7,22.6,22.5,22.1
1911,21.6,22,22.2,22.6,23,22.7,22,22.5,22.7,22.5,22.7,22.3
1912,22.4,22.7,22.8,23.2,23,22.6,22.5,22.7,23.1,22.8,22.9,22.4
1913,22,22.5,22,22.9,22.9,22.6,22.1,22.5,22.9,22.6,23.1,22.4
1914,22.5,22.1,22.5,22.8,22.9,23.3,22.4,22.8,22.8,23.1,22.8,22.5
1915,22.7,22.7,22.9,23.3,23.4,23.2,22.9,23.1,23.3,23.2,23.3,22.9
1916,22.6,22.6,22.8,23.2,23.3,23.1,22.9,23.1,23.3,23.2,23.3,22.9
1917,22.4,22.4,22.4,23,23.4,23.5,23,22.9,23.2,23.2,23.4,22.9
1918,22.5,22.5,22.7,23,23.4,23.4,22.8,23.2,23.6,23.2,23.3,22.7
1919,22.6,22.7,22.9,23.2,23.3,23.3,22.9,23,23.2,23.2,23.3,22.9
1920,22.6,22.6,22.8,23.2,23.3,23.2,22.9,23,23.3,23.3,23.3,22.8
1921,22.7,22.6,22.8,22.9,23.5,22.9,22.4,23,23.3,22.9,23.1,22.8
1922,22.5,22.4,22.5,22.9,22.9,22.9,22.7,22.9,23.2,23.2,23.1,22.3
1923,22.1,22,22,22.8,23.2,22.9,22.7,23,23.3,23.1,23.3,22.6
1924,22.4,22.4,22.8,23.3,23.4,23,22.6,22.7,22.8,22.7,23,22.5
1925,21.9,22.2,22.4,23,23.2,23.2,22.9,22.8,23,23.3,23.1,22.9
1926,22.5,22.6,22.8,23.2,23.5,23.8,22.8,23,23,22.9,23.2,22.4
1927,22.2,21.9,22.4,22.6,22.8,22.8,22.5,22.6,23,22.9,23.2,22.8
1928,22.3,22.2,22.4,22.8,23,22.9,22.6,22.9,23.1,23,23.2,22.5
1929,22,22.1,22.3,22.7,22.7,23,22.6,23.1,23.1,23.1,23,22.4
1930,22.5,22.5,22.8,23.1,23.3,23.2,22.8,23,23.2,23.1,23.3,22.8
1931,22.7,22.6,22.8,23.1,23.3,23.2,22.8,23,23.2,23.2,23.2,22.8
1932,22.5,22.5,22.7,23.2,23.2,23.1,22.9,23,23.2,23.2,23.4,22.8
1933,22.4,22.1,22.4,23.1,23.2,22.9,22.5,22.7,23,22.8,22.8,22.4
1934,21.9,21.8,22.1,22.7,23.1,23.4,22.7,23.1,23,22.7,23.3,22.7
1935,22.5,22.3,22.1,22.9,23,23,22.7,22.8,23.2,23,23.2,22.6
1936,22.2,22.3,22.7,22.9,23.3,23.1,22.8,22.9,23.1,22.9,23.2,22.7
1937,22.4,22.4,22.6,22.9,23.1,23.1,22.7,22.9,23.2,23.1,23.3,22.8
1938,22.3,22.3,22.3,22.6,22.5,22.9,22.7,22.8,23.1,23.2,23,22.6
1939,22.1,21.9,22.2,22.4,23.1,23,22.9,23.3,23.4,23,23.5,23
1940,22.7,22.7,22.7,23.3,23.5,23.4,23.4,23,24,23.6,23.2,23
1941,22.7,22.7,23.4,23.6,23.8,23.4,23.5,23.5,23.4,23.4,23.4,23
1942,22.9,23.1,23,23.4,23.3,23.4,23.1,23.7,23.9,24.1,23.7,23.4
1943,22.9,22.5,22.4,23,23.4,23.4,22.8,23.2,23.5,23.6,23.5,23.4
1944,22.7,22.4,22.6,23,23.3,23.6,23.3,23.6,24.2,23.7,23.7,23
1945,22.8,22.6,22.7,23.3,23.3,23.7,23,23.6,23.5,23.3,23.5,23.3
1946,22.7,22.3,22.7,22.9,23.4,23.3,23,23,23.4,23.3,23.4,23.1
1947,22.7,22.8,23.2,23.9,23.3,23.8,23.1,23.3,23.5,23.4,23.7,23.4
1948,22.6,22.5,22.7,23,23.3,23.1,22.9,23,23.3,23.3,23.3,22.9
1949,22.2,22.2,22.6,22.8,23.1,23.1,22.8,23,23.4,23.2,23.1,22.9
1950,22.2,22.3,22.3,23.1,22.9,23,22.9,23.2,23.4,23.1,23.6,22.6
1951,21.9,22.1,22.4,22.5,22.7,22.8,22.4,23.1,23.4,23.2,23.7,23.1
1952,22.6,22.5,22.6,23.3,23.3,22.4,22.3,22.3,23.1,23.2,23.1,22.8
1953,22.2,22.1,22,22.5,22.6,22.8,22.6,22.8,23.1,23,23.2,22.4
1954,21.8,21.9,22,22,22.6,22.5,22.3,21.8,22.8,22.4,22.9,22.6
1955,22.2,22,21.6,22.1,22.9,22.7,22.5,22.3,23,23.1,22.8,22
1956,22.2,21.8,21.8,22.2,22.4,22,21.9,22.1,22.6,22.5,22.8,22.3
1957,22,21.7,21.9,22.1,22.9,22.6,22.3,22.7,23.5,23.6,23.4,22.9
1958,23.4,22.9,22.8,22.6,23.5,23,22.8,22.8,23.3,22.8,23.1,22.9
1959,22.5,22,22.3,22.3,23.2,22.4,22.1,22.3,22.8,22.5,22.6,22.7
1960,22.4,22,22.3,22.3,22.7,22.3,22.3,22.3,23,22.5,22.9,22.5
1961,22.9,21.6,22.3,22.6,23.9,22.1,23,22.6,23.5,23.5,23.5,22.9
1962,22.6,21.7,22.4,22.3,23.7,22.4,22.8,22.5,23.3,23.4,23.8,23.3
1963,22.6,21.7,21.8,22.4,23.4,22.4,23.5,22.6,23.9,23.8,23.8,23.3
1964,22.8,22.7,22.8,23.4,23.5,22.5,23.3,22.3,23.9,23.3,23.2,22.8
1965,22.5,21.6,21.9,22.3,23.3,22.3,23.1,22.1,23.6,23.7,23.7,23.4
1966,23.4,22.1,22.1,22.6,24,22.8,23.4,22.3,23.7,24,24,23.4
1967,22.8,22.1,21.8,22.5,22.9,22.2,23.1,22.1,23.6,23.3,23.8,23
1968,22.7,22,21.6,22.6,23.4,22.5,23,22.6,23.6,23.5,23.4,23.2
1969,23.1,22.6,23.1,23.2,24.3,23.2,23.8,22.8,24.2,24.1,24.5,24.2
1970,23.3,22.7,22.7,22.4,23.7,22.7,23.4,22.4,23.5,23.8,23.8,23.2
1971,22.1,21.6,22,22,22.7,22.1,22.2,22.1,22.6,22.3,22.4,22
1972,22,21.9,22.5,22.2,22.6,22.8,22.7,22.6,22.9,22.9,22.9,22.7
1973,22.9,22.7,22.1,23,23,22.4,22.7,22.3,22.4,22.4,22.5,21.6
1974,21.5,21.9,21.7,22.6,22.8,23,21.9,22.4,22.4,22.2,22.5,21.9
1975,21.8,22.2,22.4,22.3,22.9,22.4,21.8,22.3,22.3,22.4,22.6,22.2
1976,21.6,21.6,21.5,22.1,22.1,22.2,22.3,22.4,23.1,23.2,23.1,22.6
1977,22.4,22.2,22.4,22.8,22.8,22.7,22.3,22.7,22.8,22.7,23.1,22.4
1978,22.1,22.8,22.5,23.2,23.2,23.1,22.7,22.3,22.6,22.7,23.2,22.2
1979,22.5,22.5,22.4,22.9,23.2,23.2,22.8,23.1,23.1,23.3,23.6,23
1980,22.8,22.7,22.6,23,23.2,23.3,22.9,23.3,23.5,23,22.9,22.7
1981,22.8,23.9,24.5,25,23.2,24.5,22.6,24.4,23.3,23,23.7,23.1
1982,22.5,23.6,23.6,23.9,23.1,24.3,22.7,24.1,23.1,22.8,22.5,22.9
1983,22.7,22.7,23.3,23.1,23.6,24,23.3,23.2,23.3,23.2,23.6,22.4
1984,22.1,23.5,23.5,23.6,22.5,23.9,22.6,23.5,22.1,22.3,22.6,22.6
1985,22.4,22.4,23.2,23.4,23.6,23.4,22.8,23.4,23.4,22.9,23.4,22.8
1986,22.8,23.4,23.6,24.3,23.9,24,23.1,24,23.9,23.3,23.3,23
1987,23.3,24,24.5,24.7,24.4,25.3,23.8,25.2,24.1,24.2,24.1,23.9
1988,23.3,23.1,23.2,24.3,24.1,23.3,23.2,22.9,23.9,23.8,23.4,22.8
1989,22.5,23.3,23.2,23.8,23.1,23.9,22.8,24.7,23.5,22.6,23.3,23.4
1990,22.6,23.6,23.8,23.9,23.4,24.2,23.4,24.1,24.1,23.8,23.7,23.2
1991,22.9,23,22.8,23.1,24.2,23.2,23.3,23.8,23.2,23.2,23.1,22.6
1992,21.9,23.6,23.9,23.3,23.3,23.9,22.2,22.8,22.8,22.2,23.2,22.4
1993,21.8,23.9,23.3,23,23.1,23.8,22.5,22.7,23.2,23.4,23.8,23.5
1994,22.7,23.3,22.9,22.6,23.3,22.7,23.2,22.5,23.3,23.4,23.3,22.9
1995,23,23,23.1,23.6,23.7,23.7,22.8,23.4,23.9,23.6,23.6,23.5
1996,23.4,22.7,23,23.4,23.9,22.8,22.6,23,23.4,23.4,23,23.1
1997,22.2,22.3,22.6,23,23.2,24.1,23.4,23.1,24.2,24.1,24.1,23.1
1998,23.7,24.7,25.1,24.6,24.5,23.2,23.6,23.2,23.9,23.5,23.2,22.6
1999,22.7,22.6,22.6,22.7,23.7,22.8,23.3,23,24.1,23.4,24,23.5
2000,22.3,22.3,22.6,23.3,23.2,22.9,23.2,24.1,23.4,23.4,23.5,22.9
2001,22.6,22.8,22.8,22.9,23.5,22.5,22.6,23.1,23,22.9,23.4,23.4
2002,22.5,22.2,22.8,22.3,22.4,22.5,22.7,22.5,23,23.3,22.6,22.4
2003,23.4,22.7,23.2,24.3,24,23.8,22.7,23.7,23.8,23.7,24.1,23.7
2004,23,22.9,22.9,23.1,23.3,22.5,23.2,22.5,23.3,23.8,24,23.6
2005,23.8,23.9,23.5,22.9,23.1,23.5,22.8,23.9,23.6,23.2,24.1,22.9
2006,22.3,22.5,21.9,22.8,23.6,23,23.2,22.8,23.7,23.2,23.3,23
2007,23.5,23.3,22.8,23,23.7,22.3,22.5,22.8,23.1,22.6,23.6,22.7
2008,22.8,22,22,22.6,23.1,23.1,22.5,23.1,23.5,23.4,24.3,23
2009,22.7,22.5,23.1,22.8,24.1,23,22.6,23.4,23.7,23.5,23.4,22.5
