1901,23.3,23.6,24,24.3,24.6,24.4,24.1,23.9,23.7,23.7,23.4,23.1
1902,22.6,23.5,23.7,24.3,24.6,24.6,24.1,23.9,23.6,23.7,23.4,23.5
1903,23.2,23,24.2,24.7,24.8,24,23.9,23.7,23.5,23.5,22.8,21.9
1904,22,22.6,23.6,24,24.5,24.3,24,24,23.9,23.8,23,22.6
1905,23.4,23.8,24,24.7,24.5,24.3,24.1,24.2,23.9,23.9,23.5,24.2
1906,23.7,23.9,24,25,25.1,24.5,24.2,24.1,24,23.6,23,23.1
1907,22.9,23.3,23.4,24.3,24.3,24.2,24,23.8,23.8,23.6,23.4,22.3
1908,22.9,23.1,23.6,24.3,24.5,24.2,24,23.8,23.8,23.7,22.8,22.9
1909,22.9,23.3,23.7,24.3,24.4,24.3,23.9,23.9,23.8,23.8,22.9,22.6
1910,23.2,22.9,23.4,24.2,24.5,24.1,24,23.9,23.5,23.6,23.2,22.4
1911,23,23.9,24.2,24.9,24.9,24.9,25,24.4,24.4,24.1,24.8,24.3
1912,24.3,24.3,25.1,25.1,25.3,24.6,24.4,24.2,24.2,24.1,23.6,23.8
1913,23.5,24.2,24.9,24.7,24.8,24.2,24.2,24.4,24.3,24.3,23.9,23.9
1914,23.4,24.4,24.4,25,25.9,24.4,24.5,24.6,24.6,24.4,24.6,24.5
1915,23.8,24.4,24.4,25.1,25.2,24.9,24.3,24.8,24.3,24.2,24.1,23.1
1916,23,23.9,24.4,24.8,24.7,24.4,23.8,24,24.3,24.2,23.7,23.3
1917,22.9,23.1,23.6,24.8,24.1,24.2,24.1,23.7,23.8,23.8,23.9,23.1
1918,21.9,21.8,23.8,24,24.2,23.9,24.5,24.4,24.3,23.9,24.4,23.4
1919,24.1,24.4,24.9,25.2,25.3,24.9,24.2,24.6,24.4,24.2,23.9,23.6
1920,23.1,23.8,24.5,24.9,25.1,25,24.5,24.1,24.3,24,24.5,23
1921,23.4,23.3,24.2,24.7,24.3,24.1,24.1,24.3,24.2,23.7,23.4,23.8
1922,24,23.8,23.5,24.1,24.4,24.2,24,23.8,24.4,23.9,24.1,23.8
1923,23.2,23.4,23.9,24.7,24.5,24.5,23.7,23.6,23.5,23.9,24,23.8
1924,24,23.8,23.9,24.6,24.5,24.2,24.1,24.6,23.5,23.2,23.6,22.7
1925,23.2,22.6,23.5,24.3,24.9,24.7,24.4,24.3,24.2,23.7,23.8,22.9
1926,23.2,23.9,24.3,25.5,25.4,24.8,24.4,24.3,24,23.8,23.8,23.8
1927,23.3,23.5,24.5,24.3,24.4,24.3,24.2,24.3,24.1,23.6,23.7,23.8
1928,23.8,23.5,23.9,24.3,24.8,24.4,24.3,24.1,24.1,23.7,23.5,24
1929,23.3,22.9,23.1,24.5,24.8,23.8,24.4,24.3,24.1,23.6,23.3,23.7
1930,23.5,23.5,23.5,24.4,24.7,24.3,24.8,25.1,24.4,24,23.8,23.8
1931,24,24.1,24.8,25.1,25.2,24.8,24.4,25.1,24.1,23.7,23.6,23.1
1932,22.8,23.7,23.7,24.4,24.6,24.1,24.2,24.3,24,24.1,23.5,23.4
1933,23.5,23.6,23.8,24.5,25,24.7,24.3,24.7,24,23.7,23,22.9
1934,22.3,22.4,23.1,24.1,25,24.3,24.4,24.3,24.4,23.7,23.7,23.2
1935,23.8,23.9,24.6,24.6,24.4,24.1,24.6,24.3,24.5,24.2,24,23.8
1936,23.5,24.1,23.9,24.8,25,24.3,24.4,24,24.2,23.4,23.6,24.1
1937,23.9,23.9,24.7,24.8,24.1,24.5,24.3,24.6,24,23.5,23.8,23.5
1938,23.6,24.2,23.7,24.4,24.2,24.3,24,23.8,24,24,23.4,23.7
1939,24.3,23.4,24,24.6,24.9,23.9,24.3,24.2,23.7,23.5,23.8,22.8
1940,22.9,23.6,24.2,25,24.9,24.9,24.5,23.9,24.1,24.4,24.2,24
1941,24.2,24.5,24.6,25.6,25.2,25.3,24.9,24.6,24.6,24.8,24.3,24.3
1942,22.7,23.4,23.8,24.2,24.4,24.2,23.9,23.8,23.7,23.6,23.3,23
1943,22.5,23,23.7,23.8,24.4,24.1,23.8,23.8,23.6,23.6,23.1,22.7
1944,23.2,23.5,23.7,24.5,24.5,24.2,23.8,23.8,23.8,23.7,23.3,22.6
1945,23.1,23.5,23.5,24.2,24.4,24.1,24,23.9,23.7,23.4,23.6,23.3
1946,23,23.4,24.1,24.2,24.4,24.2,24,23.7,23.7,23.7,23.4,23.7
1947,23.7,23.7,24,24.5,24.8,24.3,23.8,23.8,23.8,23.7,23.3,23.1
1948,23.4,23.8,24.4,25.1,25.1,25.1,24.5,24.8,24.5,24.4,23.5,24
1949,23.6,24.1,24.9,24.9,24.8,24.6,24.4,24.5,24.3,23.9,23.8,24
1950,24,24.1,24.4,24.5,24.8,24.4,24,24.2,23.7,23.8,23.9,23.1
1951,22.4,22.3,23.2,23.9,23.8,24.4,23.5,23.8,23.6,23.6,23.7,23.1
1952,23.3,23.4,23.5,24.1,24.2,23.8,23.6,23.4,23.5,23.6,22.7,22.6
1953,22.9,22.7,23.3,24,23.8,24.2,23.5,24.1,23.4,23.6,23.6,23.4
1954,23,23.3,23.6,23.8,23.7,23.7,23.3,23.5,23.3,23.1,22.7,22.7
1955,22.4,22.9,23.5,23.7,24.3,23.7,23.5,23.2,23.7,23.2,23,22.5
1956,22.4,22.8,23.3,23.9,23.6,23.7,23.4,23.4,23.3,23.1,23.1,22.2
1957,22.7,23,23.2,24.2,24.3,24.5,23.9,23.8,23.5,23.4,23.6,23
1958,23.6,23.3,23.6,24.7,24.8,24.6,24.2,23.7,23.8,23.7,22.7,23.1
1959,23.2,23.8,23.7,23.8,24.3,24.3,23.6,23.6,23.6,23.3,23.1,23.2
1960,23,23.3,23.7,24.2,24.4,23.9,23.8,23.9,23.7,23.8,22.9,23
1961,23.1,23.4,23.8,24.1,24.5,23.9,23.7,23.7,23.3,23.2,23,22.9
1962,22.9,22.9,23.2,24,24.6,23.9,23.7,23.4,23.6,23.4,23.5,23
1963,22.2,22.6,23.5,24.4,24.8,24.2,24.1,23.7,24,23.6,23.5,23.2
1964,23.9,23.7,23.7,24.3,24.6,23.9,23.6,23.5,23.7,23.3,23.2,22.7
1965,22.4,23.2,23.3,23.7,24.1,24,23.6,23.6,23.3,23.5,23.3,22.8
1966,23.2,23.5,23.8,24.5,24.4,23.8,23.6,23.5,23.8,23.3,23.2,22.9
1967,22.6,22.7,23.2,23.9,24.2,23.8,23.7,23.5,23.6,23.3,23.1,22.9
1968,22.8,22.9,23.7,24.1,24,24.2,23.8,23.9,23.5,23.3,23.6,22.9
1969,23.5,23.5,24.3,24.7,25,24.3,24,23.6,23.9,23.7,23,23
1970,23.4,23.4,23.9,24.2,24.7,24.3,23.7,23.9,23.6,23.4,23.3,23
1971,22.5,22.6,23,24.1,24.2,23.9,23.8,23.1,23.8,23.5,22.7,22.6
1972,22.5,23.4,23.4,23.8,24.4,24.3,24.6,24,23.8,23.9,23.7,23.3
1973,23.5,24.1,23.8,24.7,24.5,24.4,24.1,23.8,23.7,23.7,23.4,22.2
1974,22.2,22.8,23,23.9,24,23.8,23.7,24.1,23.5,23.8,23.3,23.1
1975,22.9,22.8,23.1,24,23.9,23.5,23.1,23.6,23.2,23.4,22.7,22.2
1976,21.9,22.7,23.4,23.8,24,23.6,23.7,23.5,23.6,23.5,22.7,23.1
1977,23,22.7,23.1,24.4,24.6,24,24,23.4,23.9,23.6,23.2,23.4
1978,23.6,23.7,24,24.1,24.5,24.1,23.7,23.9,23.7,23.4,23.3,23.1
1979,23.2,23.6,24.2,24.4,24.8,24.3,23.7,24.2,23.8,23.7,23.1,23.2
1980,23.2,23.5,23.9,24.4,24.9,24.3,24,23.4,23.8,23.9,23.3,22.6
1981,22.7,23.3,24,24.2,24.4,24.7,24.2,24.6,23.8,23.9,23.4,22.9
1982,23,23.3,23.8,23.8,24.6,24.3,23.7,23.7,24,23.5,23.7,23.5
1983,23.7,24.1,24.7,25.3,25.2,24.8,24.2,24,23.8,23.9,23.7,22.7
1984,22.7,22.6,23.3,24.1,24,23.9,23.5,23.9,23.3,23.6,23.4,22.9
1985,23.1,23.6,23.3,24.1,24,24.4,23.4,23.5,23.4,23.5,23.3,22.9
1986,22.8,23.2,23.6,24.4,24.6,24.2,24.3,24.4,23.7,23.6,23.1,23.4
1987,23.1,23.3,24.4,24.7,24.8,24.9,24.7,24.2,24.1,24.2,24.3,23.3
1988,23.9,24,24.4,24.9,24.8,24.3,24,23.9,23.9,24.1,23.4,22.7
1989,23.5,22.9,23.5,24.3,24.6,24.3,24.4,23.9,23.7,23.8,23.7,23.7
1990,23.4,24.3,24.5,24.8,24.9,24.8,24.1,24.6,24.1,24.1,24.2,23.7
1991,23.8,24,24.2,24.8,25,25.3,24.8,24.6,24.5,24,23.2,23.2
1992,23.5,24.3,24.8,25.7,25.3,24.8,24.1,24.4,24.2,23.7,22.9,23.2
1993,23.6,23.3,23.8,24.4,25.1,24.9,24.7,24.4,24,23.8,23.8,23.6
1994,23.7,24.1,23.7,24.6,24.6,24.5,24.7,24,24.2,24,23.4,24.1
1995,24,23.7,24.1,24.9,25.1,25.1,24.6,24.2,24.4,24.5,23.8,23.3
1996,23.3,23.5,24.2,24.9,25.2,25,24.9,24.3,24.5,24.1,23.9,23
1997,23.7,23.8,24.5,24.6,25.7,25,24.7,25,24.6,24.4,24.1,24.1
1998,24.5,25,25.5,25.2,26.6,25.4,25.1,24.6,24.6,24.8,24.2,23.7
1999,24,23.5,24.3,24.9,24.6,24.6,24.5,24.2,24.3,24.1,24,23.3
2000,23.8,23.8,24.2,24.8,25.4,24.7,24.9,24.8,24.7,24.2,24.1,24.3
2001,23.9,23.9,24.1,25,25.3,25.1,25.2,24.9,24.6,24.5,24.2,24.2
2002,24.2,24.3,24.8,25.3,25.7,25.4,25.5,24.8,24.5,24.7,24.4,24.5
2003,24.3,24.2,24.8,25.2,25.6,25.2,24.6,25,24.7,24.3,24.2,23.8
2004,24.5,24.3,25.1,25.4,25.6,25.1,24.2,24.7,24.2,23.9,24,23.5
2005,23.7,24.8,24.7,25.2,24.9,25,24.6,24.9,24.4,24,24,23.4
2006,23.7,23.9,24.3,24.8,24.4,24.4,24.8,24.5,24,24.4,23.8,24.1
2007,23.6,23.8,24.4,24.7,24.9,25,24.7,24.4,24.5,24.1,24,23.9
2008,23.8,23.7,23.8,24.6,24.8,24.5,24.3,24.4,24.5,24.6,23.9,23.3
2009,23.1,23.9,23.9,24.9,25,25.4,25.1,24.7,24.7,24.3,23.8,23.3
