1901,22.9,23,22.9,23.1,22.9,22.7,22.3,22.6,22.9,23.1,23.3,23.1
1902,22.8,23,23,23.1,22.9,22.7,22.3,22.6,22.9,23.1,23.3,23.1
1903,22.9,23,23,23.1,22.9,22.7,22.3,22.6,22.9,23.1,23.3,23.1
1904,22.8,22.9,22.9,23,22.8,22.7,22.3,22.6,22.9,23.1,23.3,23.1
1905,22.9,23,23,23,22.9,22.7,22.2,22.5,22.9,23,23.2,23
1906,22.8,23,22.9,23,22.8,22.6,22.2,22.5,22.8,23,23.2,23.1
1907,22.8,22.9,22.9,23.1,22.8,22.6,22.2,22.6,22.8,23,23.3,23
1908,22.8,23,22.9,23,22.8,22.7,22.2,22.5,22.9,23,23.2,23
1909,22.9,22.9,22.9,23,22.8,22.6,22.3,22.6,22.9,23.1,23.3,23.1
1910,23.3,23.2,22.7,22.4,23,23.1,22.7,22.5,23.4,23,23.6,23.3
1911,23,23.6,23.6,23.4,23,22.6,22.4,22.8,23.4,23.8,24,23.8
1912,22.9,23,24.4,24,23.1,23.6,22.4,23.3,22.7,23.9,24.4,23
1913,23.2,24.2,23.5,23.7,22.8,23.2,22.7,22.2,23.1,23.4,24,23.9
1914,24.7,23.8,23.8,23.7,23.4,23.1,23.5,22.9,23.9,23.8,24.1,24.2
1915,23.9,23.8,24.3,23.9,23.9,22.8,22.4,22.9,22.8,23.5,22.9,23.1
1916,23,23.1,23.3,23.3,22.8,22.1,22.4,22.7,23.1,22.8,23.2,22.7
1917,22.7,22.8,22.6,22.3,22,22.2,22.2,21.8,22.1,22.4,22.9,22.1
1918,22,22.5,23.4,22.9,22.9,22.9,22.1,22.1,22.8,23.3,23.6,23.2
1919,23.2,23.7,23.6,22.7,22.9,23.5,22.6,22,22.3,22.7,23.7,22.8
1920,23,22.9,23.2,23.1,22.7,22.5,22,22,23,23.9,23.2,22.4
1921,22.6,22.6,22.5,22.5,22.5,22.3,21.2,22.1,22.5,23.1,22.8,23.2
1922,22.7,22.4,22.2,22.6,22,22.3,21.5,21.9,22.2,22.5,22.8,22.3
1923,21.7,22.7,22.3,22.2,22.1,22.4,21.6,22.2,22.4,23.6,23.4,22.7
1924,23.9,23.8,23.5,23.3,22.1,21.6,22.2,21.9,22.1,22,23.2,22.2
1925,22.3,22.2,22.3,23,23,22.8,22.3,22.4,22.3,23.8,23.8,24
1926,23.5,23.7,23.7,23.1,22.3,22.1,22.3,22.6,22.9,22.1,23.3,22.1
1927,22,21.9,21.9,22.2,21.9,21.9,21.1,21.1,21.6,21.7,22.5,22.8
1928,22.4,22.2,22.4,22.4,22.2,22.6,21.4,21.5,21.7,22.2,22.5,22.3
1929,22.4,22.5,21.9,21.9,22.1,22.6,21.3,21.7,22.2,22.8,22.7,21.5
1930,21.8,22.1,22.6,22.3,22.6,22.4,21.3,22,21.8,22.3,23,22.5
1931,23.4,23,22.7,22.6,22.4,22.3,21.2,21.7,21.4,22.5,22.2,21.8
1932,21.9,22.5,21.8,22.3,22.1,21.7,22.2,21.7,22.5,23,23.6,22.8
1933,23.2,22.8,22.3,22.6,22.9,22.1,22,21.9,22.9,21.8,22.2,22.2
1934,22.1,21.8,22.3,22.5,22.5,22.4,22.3,21.8,22.6,22,22.9,22.6
1935,23.1,22.5,22.8,22.7,22.6,22.4,22.5,22.3,22.4,23.5,23.3,23.2
1936,22.5,23.5,23.8,22.9,23.5,22.8,22.4,22.5,22.8,23.2,23.2,23
1937,22.6,23.6,23.4,23.1,23.2,23.1,22.9,22.9,22.9,23.1,23.9,23.5
1938,23.1,23.3,23.3,23.4,22.8,23.1,22.9,23.2,23.2,23.7,23.3,23.3
1939,23.2,23,23.3,22.7,22.9,23.2,23,23.4,23.6,23.7,24.3,24.1
1940,23.5,24.1,24.1,23.5,23.8,23.5,23.2,22.7,23.3,23.9,23.9,23.9
1941,23.3,24,24.3,23.9,24,23.5,23.5,23.6,23.4,24.3,24.4,23.2
1942,23.2,23.3,23.1,23.9,23.7,22.9,22.8,23,24,24.1,24.4,23.4
1943,23.1,22.2,22.8,22.9,23.6,23,22.9,22.7,23.3,24.6,24.5,22.9
1944,23,22,23.3,23.4,23.4,23.7,23.7,24.8,22.9,24,24.3,23.7
1945,23.4,22.5,23,23.4,23.2,23.6,23.4,23.9,24.3,23.4,23.3,22.7
1946,22.5,22.8,22.9,23.1,23.1,23,22.6,22,22.6,23.1,23.3,23.4
1947,22.9,23,23.5,23.1,23.1,23.5,23.3,23.4,23,23.6,23.2,22.9
1948,22.5,22.6,23.3,23.2,23.2,23.6,22.9,22.9,22.5,23.7,23.8,23.7
1949,22.8,22.7,23,22.8,22.6,23.2,22.9,22.6,23.1,23.3,22.9,23.3
1950,22.4,22,22.4,23.1,22.5,23,22.4,22.8,23,22.7,23.8,22.5
1951,22.8,23,22.9,22.2,22.3,22.6,22.9,23.1,23.3,22.9,23.7,23.4
1952,23,23.1,23.8,23.4,23,22.6,22.8,22.6,22.6,23.1,22.9,23.2
1953,23,22.6,23.2,23.2,23.4,23.7,23,23.3,23,23.8,23.7,23.3
1954,22.9,23.4,23.7,23.6,23.8,23.5,23.1,23.7,23.5,23.1,22.9,22.9
1955,23.2,22.5,22.7,22.9,23.2,23,22.7,22.5,22.6,23.2,23,22.8
1956,22.5,22.3,22.9,22.8,23,22.7,22.4,22.4,21.9,22.5,23.3,22.9
1957,21.7,23.4,21.5,23.4,23.5,23.9,23.2,23.6,24.8,23.6,24.2,24.2
1958,23.7,24,23.8,23.8,23.9,23.7,24.2,23.9,24.7,24.6,23.6,23.6
1959,23.7,23,23.1,23.3,23.3,23.1,23.4,23.1,23.3,24.6,23.7,23.7
1960,23.2,23,22.8,22.6,22.1,22,21.6,21.9,22,22.5,22.5,22.5
1961,22.6,22.1,23,22.7,22.6,22,21.6,22,22.4,22.3,22.1,21.9
1962,22.1,22.5,22.6,22.8,22.5,21.9,22.2,21.8,22.8,23,22.9,22.8
1963,23.3,22.2,22.6,22.7,22.8,22.5,22.3,22.7,23.3,23.8,22.4,22.9
1964,23.6,23.4,22.9,22.7,22.6,22.2,22.1,22.4,22.7,22.7,22.9,22.2
1965,22.8,22.3,22.9,22.9,23.1,21.9,22.6,22.6,23.4,23.7,23.7,23.3
1966,23.9,23.7,23.4,23.1,23.1,23,22.8,22.7,22.4,23.5,23.1,23
1967,22.7,22.9,22.8,22.8,23,22.8,22.7,22.8,22.9,23.1,23.3,23.2
1968,22.7,23.3,22.5,22.9,22.1,22.6,22.4,22.7,22.7,23.2,23,23
1969,22.8,23.6,23.1,23.5,23.6,23.8,22.4,22.7,23.8,22.6,24.6,23.6
1970,22.9,23,23.3,23.5,23.2,23.1,22.6,22.6,22.5,24,22.8,23
1971,22.2,22.2,22.7,22.7,22.7,22.7,23,22.9,23.2,22.8,23.3,23.6
1972,22.4,22.5,23.1,23.1,23.3,23.3,23.3,22.9,23.7,23.7,24.4,23.8
1973,23.6,23.9,24.1,23.8,23.1,23.4,22.9,23.1,22.7,23.7,23.6,22.7
1974,22.8,22.5,23,23.1,22.7,23,22.1,23.2,22.5,23,23.5,22.4
1975,22.8,22.8,22.8,23.3,22.8,22.8,21.6,22.5,23.2,23.1,23.5,22.5
1976,22.5,22.5,22.8,23.3,22.4,22.9,22.4,23.4,24.2,23.9,23.8,23.4
1977,23.6,21.9,22.4,22.6,22.2,21.7,22.3,22.2,23.4,22.4,23,23.4
1978,22.5,22.9,22.7,22.9,22.6,22.6,22,21.4,22,21.7,23.2,23.7
1979,22.7,24,21.5,23.5,23.6,22.5,22.5,23.4,22.9,22.8,23.4,22.7
1980,22.6,24.8,22.7,22.4,22.8,22.7,22,21.9,22.5,22,22.8,23.9
1981,22.2,21.9,23.5,23.1,22.8,22.9,21.5,21.9,21.4,24.2,22.7,23.9
1982,22.5,22.7,22.8,22.9,22.6,22.9,22.1,22.5,23.1,23.1,23.7,22.8
1983,24,23.3,24.3,23.6,23.6,23,21.9,22.4,22.8,22.8,23.2,22
1984,22.3,21.9,23.1,23,22.5,22.7,21.9,22.5,22.2,22.4,23.3,22.8
1985,23.3,22.4,23.1,23.4,22.4,22.1,21.8,22.1,22.9,23.2,22.9,22.2
1986,22.2,22.9,22.7,23,23,22.7,21.6,23.6,23,23,23,23
1987,23,23.2,23.4,22.9,23.3,23.1,23.9,23.6,23.9,24.7,24.1,24.6
1988,23,23.6,24,23.4,23,22.5,22.9,23.3,23.5,23.2,22.8,22.6
1989,22.6,22.4,22.5,22.9,22.8,22.6,21.4,23.3,23.1,22.7,23.5,23.8
1990,23.2,23.3,23.3,23.1,23.4,23.5,21.7,22.8,23.1,24.5,23.7,23
1991,22.9,23.6,23.3,23,23.7,24.3,23.1,22.8,22.9,23.6,24.2,23.9
1992,23.8,23.8,23,23.7,23.7,23.2,22.7,21.9,23.5,23.8,23.6,22.6
1993,23,23,23,23.4,23.6,23.5,22.7,23.3,23.3,23,22.8,22.9
1994,22.6,22.5,23.1,22.8,23.2,22.8,22.7,23.3,23.2,23.2,23.3,23
1995,23.5,24.5,23.7,23.3,23.1,23.5,23.4,24,23.8,23.9,23.4,23
1996,24.3,23.2,23.3,23.2,23.1,22.3,23,22.8,23.6,23.5,24,23.9
1997,23.3,23,22.7,23.8,23.8,23.9,25.5,23.8,20.5,24.5,23.7,23.5
1998,23.5,23.9,23.9,23.4,23,22.2,22.3,22.6,22.5,23,22.9,23.8
1999,22.5,22.5,22.4,22.4,22,22.5,21.6,21.4,22.1,22.4,23.1,23.2
2000,22.7,22.4,22.2,22.6,22.7,23.2,21.7,21.8,22.3,22.6,23.8,23.5
2001,22.1,23.1,23.6,23.2,23.8,22.2,22.8,23.3,22.9,24.2,24.1,23.8
2002,23.7,23.4,23.7,22.9,23.5,22.9,23.7,23.2,23.9,23.8,23.9,23.7
2003,24.6,24.2,23.8,23.6,23.4,23.2,23,22.9,23,24,23.9,24
2004,24,23.5,23.4,23.4,23.5,23,22.6,23,23.7,23.9,24.1,23.2
2005,24.5,23.5,24.1,23.7,23.7,23.7,23.1,23.4,21.6,23.9,25,22.9
2006,23.6,23.4,23.5,23.5,22.8,22.1,22.7,23.4,23.2,25.3,23.1,23
2007,23.3,24.6,22.9,23.4,23.4,22.7,22.9,22.5,23,23.5,23.7,22.5
2008,22.8,22.6,23.4,23,22.9,22.7,22.7,23,23.3,23.5,23.6,22.8
2009,22.5,23,23.2,23.6,23.2,23.5,23.6,24.3,24.8,25,24.9,24.1
