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