1901,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1902,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1903,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1904,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1905,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1906,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1907,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1908,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1909,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1910,23.6,23.6,23.7,23.6,23.2,22.4,22.1,22.6,22.9,23.5,23.5,23.4
1911,23.6,23.5,23.6,23.6,23.3,22.6,22.2,22.8,23,23.6,23.7,23.7
1912,23.7,23.8,23.9,23.9,23.3,22.4,22.2,22.7,23.1,23.7,23.6,23.6
1913,23.7,23.6,23.8,23.7,23.3,22.5,22.3,22.8,23.1,23.9,23.9,23.7
1914,23.7,23.7,23.7,23.7,23.3,22.5,22.2,22.8,23.1,23.7,23.7,23.7
1915,23.7,23.8,23.8,23.8,23.7,22.7,22.4,23,23.2,23.9,23.7,23.7
1916,23.6,23.6,23.7,23.8,23.5,22.6,22.4,22.8,23.2,23.7,23.7,23.5
1917,23.5,23.4,23.6,23.6,23.3,22.5,22.3,22.7,23,23.6,23.6,23.4
1918,23.4,23.5,23.6,23.6,23.3,22.5,22.5,22.8,23.1,23.8,23.7,23.6
1919,23.7,23.7,23.7,23.8,23.5,22.4,22.1,22.7,23,23.6,23.6,23.5
1920,23.6,23.6,23.7,23.6,23.2,22.4,22,22.7,23,23.6,23.6,23.4
1921,23.6,23.5,23.5,23.5,23.2,22.5,22.1,22.7,23,23.6,23.6,23.6
1922,23.6,23.6,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1923,23.3,23.6,23.7,23.5,23.1,22.7,21.8,22.7,23.2,23.5,23.7,23.4
1924,24.1,23.6,23.9,23.8,23.5,22.4,22.2,22.8,22.7,23.4,23.4,23.5
1925,23.2,23.1,23.2,23.5,23.4,22.4,22.2,22.6,23.1,23.8,23.6,23.6
1926,23.8,23.8,24,24.1,23.6,22.9,22.3,22.8,23.1,23.7,23.8,23.4
1927,23.4,23.4,23.7,23.7,23.4,22.6,22,22.9,23.1,23.5,23.9,23.8
1928,23.6,23.7,23.5,23.8,23.4,22.6,22.2,22.8,23.1,23.7,23.7,23.4
1929,23.8,23.7,23.5,23.8,23.3,22.5,22,22.8,23.2,23.7,23.8,23.8
1930,23.5,23.6,23.9,23.8,23.3,22.5,22.3,22.7,23.1,23.6,24,23.8
1931,23.9,23.9,24,24.1,23.6,22.7,22.2,22.8,23.1,23.8,23.7,23.6
1932,23.6,23.6,23.6,24.1,23.2,22.5,22.1,22.8,23,23.5,23.7,23.6
1933,23.8,23.6,23.6,23.6,23.4,22.5,22.5,22.6,23.2,23.4,23.4,23.2
1934,23.3,23.3,23.3,23.7,23.1,22.6,22,22.9,23.3,23.4,23.5,23.6
1935,23.5,23.2,23.8,23.6,23.2,22.6,22.3,22.8,22.9,23.7,23.7,23.7
1936,23.6,23.9,24,24,23.6,22.6,22.1,22.7,23.3,23.7,24,23.6
1937,23.5,23.5,23.7,23.7,23.4,22.6,22.3,22.8,23.1,23.7,23.7,23.6
1938,23.6,23.6,23.5,23.5,23.3,22.5,22.3,22.7,23.1,23.7,23.7,23.6
1939,23.5,23.4,23.5,23.5,23.4,22.5,22.3,22.8,23,23.7,23.7,23.6
1940,23.3,23.5,23.5,23.7,23.5,22.6,22.3,22.8,23.1,23.7,23.7,23.3
1941,23.8,24,24,23.9,23.6,22.5,22.4,23,23.4,24.3,24.4,24.4
1942,23.8,23.6,23.7,23.7,23.2,22.2,22.2,22.6,23.1,23.6,23.8,23.4
1943,25.3,23.4,25.5,25,23.1,22.3,23.2,22.6,23.4,24.9,23.8,25
1944,24.8,24.8,24.4,24.8,24.1,23.1,24.5,24.1,24.7,24.7,24.5,24.5
1945,24.8,24.9,24.8,23.5,22.9,23,22.6,23.7,24.6,24.7,24.9,24.2
1946,23.4,24.3,24.5,24.6,23.8,23.3,22.6,23.4,23.9,24.4,24.5,23.9
1947,23.7,23.5,23.9,23.6,23.3,22.5,22.1,22.8,23.3,23.6,23.8,23.7
1948,23.9,23.9,23.7,23.6,24.4,23,22.3,23.4,23.9,23.7,24.1,23.7
1949,23.6,24.2,24.4,23.7,23.3,22.1,21.5,22.5,22.4,23,23.5,23.1
1950,23.2,22.8,22.9,22.9,22.6,21.3,21.3,22.3,23.5,23.3,23.7,23.4
1951,22.6,23,23.3,23.2,23.6,23.3,22.8,23,23.3,24,23.9,23.5
1952,23.2,23.5,23.8,23.4,23.6,22,21.8,22.5,22.7,23.4,23.5,23.3
1953,23.1,23.2,22.9,23.3,23.3,22.5,21.6,23.3,22.6,23,23.8,22.9
1954,23.5,23.3,23.4,23.6,22.8,21.8,21.5,22.3,22.8,23,23.6,23.3
1955,22.9,23.4,23.1,22.8,23,21.9,21.5,22.1,22.5,23.2,23.2,22.8
1956,22.7,23.2,23.3,23.3,22.8,21.9,21.9,22.4,22.5,23.1,23.1,23.1
1957,23.2,23.2,23.1,23.3,24.1,23.4,23.2,23.7,23.8,24.4,24.4,24.3
1958,23.6,23.8,23.7,23.6,23.5,22.7,22.2,22.5,23,23.6,23.5,23.6
1959,24,23.5,23.5,23.8,23.3,21.9,22,22.7,23.2,23.4,23.6,23.3
1960,23.3,23.2,23.1,23.4,23.1,22,21.9,22.5,22.9,23.4,23.6,23.8
1961,23,23.1,23.3,23.3,24.4,22.6,22.4,23,23.5,23.8,23.8,23.8
1962,23.8,23.9,23.2,23.3,23.1,21.5,22.8,23.2,23.7,24.1,24.2,23.9
1963,23.4,22.7,23.1,23.3,23.6,23.3,22.5,23.4,23.6,24,24,24.4
1964,24.7,24.5,23.6,23.5,23.6,22,22,22.4,22.5,23.4,23.5,23
1965,23.2,23.5,23.2,23,22.9,22.1,22.2,22.3,22.9,23.9,23.1,23.6
1966,23.9,24,23.5,23.7,23.3,22.3,22.4,22.5,22.8,23.3,23,22.6
1967,23.1,22.7,23.3,23.7,22.9,21.2,21.5,22.1,22.2,23.2,23.2,23.2
1968,22.9,22.8,23.3,23.7,22.3,21.7,21.5,22.9,22.7,23,23.1,23.3
1969,23.2,23.8,24,23.9,23.7,22.6,22.1,22.3,22.7,23,23.4,23.1
1970,23.2,23.1,24.1,23.9,22.7,22.4,22.2,22.1,22.3,23.4,22.8,23.2
1971,23,22.7,22.4,23,22.3,22,21.7,22,22.5,22.8,22.8,23.4
1972,23.2,23.4,23.2,23.8,23.8,23.5,23.5,23.5,23.4,24.3,24,24.2
1973,23.8,23.8,23.8,23.7,23.1,22.5,21.4,21.8,22.2,22.9,22.7,22
1974,22.8,22.6,22.8,23.2,22.9,22.2,21.4,22,21.8,22.5,23,22.9
1975,22.5,22.7,23.2,23.4,22.5,21.9,20.6,22.1,22,22.7,22.3,22
1976,22.2,22.5,22.6,23,23,22.7,22.7,22.7,22.6,23,23.3,23.2
1977,23.4,23.2,23.7,23.3,22.9,22.3,22.6,22.9,22.9,24.1,24.4,24.3
1978,23.8,24.5,23.2,22.6,23,22.1,21.9,22,22.8,23.5,24.2,23.3
1979,23.4,23.5,23.8,23.6,23.2,22.3,22.4,22.5,22.6,23.6,23.3,23
1980,23.1,22.7,23.8,24,23.3,22.7,22.1,22.5,22.7,23.3,23.1,23
1981,23.8,24.1,24.4,24.1,23.9,23,22.3,22.9,23.4,24.3,23.9,24.6
1982,23.4,23.9,24.1,23.9,23.7,23.5,22.8,23.3,23.7,24,24.4,24.3
1983,25.1,25.4,25,24.7,24.3,23.6,23.5,23.5,23.6,23.8,24.6,23.7
1984,22.5,23.1,23.9,23.8,23,22.9,22,23.1,22.9,24.2,23.4,23.8
1985,22.9,23.7,24,24,23.4,22.9,21.9,22.5,23.2,23.6,23.2,23.4
1986,24.2,23,23.9,24.2,23.9,22.7,22.3,23.3,23.4,23.9,24,24.5
1987,24.8,24.8,24.4,24.5,23.7,23.8,23.3,23.7,24.3,24.2,24.7,25
1988,24.4,24.4,24.9,24.2,24.2,22.8,22.4,23.2,23.4,23.8,23.6,23.2
1989,23.1,23,24.1,24.4,23.2,22.7,22.1,23.2,23.4,24.3,24.5,23.5
1990,24.6,23.7,24.4,24.3,23.6,23.2,22.7,23,23.9,24,24.9,24
1991,23.6,24.1,24.1,24.4,23.7,23.6,22.6,21.9,23.1,24,24.1,24
1992,24.3,23.9,23.8,24.2,23.6,23.4,21.8,23.1,23.1,23.9,23.7,23.7
1993,23.4,22.9,23.2,23.3,23.3,23.4,22.8,22.9,23,24.1,23.5,23.9
1994,23.1,23.4,23.5,23.6,23.3,22.9,22.6,22.4,23.3,23.9,23.9,23.8
1995,24.2,23.9,23.6,23.1,23.6,23.4,23,23.4,23.5,23.9,23.7,23.1
1996,22.6,23,23.7,23.6,23.3,22.4,22.2,22.8,23.3,23.5,23.7,23.6
1997,22.6,23.7,23.9,24,23.8,23.2,22.7,23.2,24,24.6,24,24.6
1998,25.5,24.9,24.9,24.9,24.2,23.2,22.6,23.5,23.6,24.4,23.9,23.7
1999,23,22.8,23.7,23.3,22.9,22.8,22.1,22.7,22.5,23.4,23.7,22.7
2000,22.6,22,22,22.3,23.2,23,22.6,23.1,22.9,24.3,24.3,23.7
2001,23.8,24.2,22.9,23.4,22.5,21.3,21.7,22.6,22.3,23.4,23.4,23.1
2002,23.2,23.6,23.6,23.8,23.7,21.8,21.9,22.6,23.1,23.7,24.1,23.9
2003,23.9,23.7,23.8,23.2,23.3,22,22.1,22.3,22.9,23.8,23.4,23.4
2004,23.2,23.6,23.9,23.3,22.5,21.5,21.4,22.2,22.4,24.4,23.7,24.1
2005,23.7,23.5,23,23.6,22.8,21.9,22,22.3,22.3,22.8,22.6,22.1
2006,23,22.9,23.2,22.9,22.7,22.4,22.3,22.6,23.1,23.9,23.6,23.4
2007,24,23.8,23.2,23.4,22.6,21.2,21.6,21.5,22.1,22.2,22.6,22.2
2008,22.9,22.8,23.1,22.9,22.3,21.7,22,22.4,22.9,23.3,23.1,22.9
2009,23,23.3,22.5,24.7,23.7,23.4,23.6,23.8,24.2,24.6,24.6,24.1
