1901,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1902,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1903,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1904,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1905,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1906,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1907,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1908,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1909,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1910,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1911,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1912,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1913,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1914,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1915,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1916,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1917,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1918,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1919,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1920,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1921,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1922,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1923,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1924,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1925,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1926,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1927,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1928,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1929,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1930,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1931,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1932,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1933,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1934,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1935,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1936,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1937,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1938,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1939,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1940,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1941,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1942,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1943,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1944,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1945,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1946,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1947,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1948,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1949,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1950,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1951,23.1,23.3,23.8,23.8,23.2,23,22.5,22.3,22.3,22.5,22.7,23
1952,22.9,23.6,23.9,24,23.3,23,22.4,22.4,22.4,22.6,22.7,23.1
1953,23,23.4,24,23.8,23.2,23,22.5,22.5,22.6,22.7,22.5,23.1
1954,23.2,23.4,23.8,23.8,23.3,23.2,22.5,22.3,22.2,22.3,22.5,23
1955,23,23.5,23.6,23.6,23,22.8,22.4,22,21.9,22.5,22.6,22.9
1956,23,23.3,23.8,23.5,23.2,23,22.1,22,22.1,22.1,22.4,22.8
1957,22.9,23.2,23.7,23.6,23.2,23,22.5,22.3,22.2,22.4,22.6,23
1958,22.9,23.5,23.9,23.8,23.2,23.1,22.6,22.1,22.3,22.5,22.6,22.8
1959,23.5,23.2,23.9,24.3,23.5,23.4,22.5,21.9,22.2,22.2,21.4,21.7
1960,22.9,22.8,22.8,23.8,23.1,22.8,22.4,22.3,21.7,22.2,22.8,23.1
1961,21.7,22,22.5,22.7,21.9,22.1,21.7,21.8,21.7,21.9,21.9,22.3
1962,23.2,23,23.1,23.6,23.5,22.2,22,22.2,21.9,22.2,22,22.6
1963,22.7,22.3,24.1,23.4,23,23,22.8,22.9,22.9,23.1,22.8,23.2
1964,22.8,23,23.5,23.4,21.9,22,21.4,21.5,22.2,21.2,21.4,21.9
1965,22.2,22.5,23.3,23.4,23.3,22.6,22.5,22.8,22.1,22.7,23.6,23
1966,23.3,23.5,23.9,23.9,23.2,23.4,22.5,22.6,22.2,22.4,22.4,22.4
1967,23.2,22.9,23.5,23.3,23,23.2,21.8,21.6,21.7,21.6,21.2,22.1
1968,22.3,21.8,22.9,22.8,22.2,21.9,22.6,22,21.5,22.1,22.2,22.6
1969,23.1,23.1,23.8,24,23.8,23.1,22.7,22.5,21.9,22.4,23.3,23.2
1970,23.7,23.8,24,24,23.5,23.3,22.5,22.3,22.1,22.1,21.6,21.9
1971,22,21.6,22.7,23.4,22.2,21.9,21.4,21.9,21.6,21.8,21.5,21.6
1972,21.7,22.4,23,23.3,23,22.5,22.1,22.6,22.4,22.8,23.1,24.3
1973,24.2,24.2,24.4,24.2,24,23.1,22.1,22,21.8,22.3,22.4,22.4
1974,21.4,22.9,23.5,24.2,22.8,22.7,22.8,21.2,21.5,22.3,22.8,23.1
1975,23.3,23,24,23.9,22.6,23.4,22.9,22.2,22.6,22.5,21.1,21.6
1976,22.5,23.3,24.5,23.6,23.4,23.1,22.4,22.4,22.2,23.2,23.9,23.9
1977,24,24.7,24.7,24.6,23.7,23.8,23.1,23,23.1,23.1,23.6,24.3
1978,23.7,24,24.4,24,23.8,23,22.5,22.4,22.4,22.4,22.5,23.3
1979,22.7,23.4,23.6,23.6,23,23.3,22.6,22.2,22.4,22.4,23.4,23.2
1980,23.7,23.4,23.5,23.9,23.5,23,22.4,23.2,22,22.2,22.7,23
1981,23.4,22.8,24,24,23.5,22.9,22.9,22.7,22.7,23.1,23.3,23.2
1982,23.4,23.6,24.5,24.1,23,23.4,22.8,22.6,22.4,23.2,24.3,24.3
1983,25,24.4,24.8,24.9,24.1,23.9,23.1,23,23.6,23.6,23,23.2
1984,23.2,23.2,24,24,23.5,23.3,22.8,22.4,22.4,22.5,22.5,22.9
1985,23,23.6,23.5,23.9,23.3,22.9,21.8,22.3,21.9,22.5,23.2,22.8
1986,23.3,23.5,24.1,24.1,23.5,23,22.1,22,22.1,22.7,23.3,23.8
1987,23.7,23.9,24,24.6,24,23.6,23.9,22.5,22.7,23.7,23.9,24.3
1988,23.8,23.8,24.3,24.2,23.7,23.1,22.5,22.3,22.4,21.8,22.4,22.7
1989,22.6,23.1,23.1,24,23,22.4,21.8,21.7,22.3,22.5,22.7,22.7
1990,23.1,24.2,24.2,24.3,23.6,23.5,22.9,22.6,22.6,22.8,23.1,23.4
1991,23,22.3,22.7,23,23.7,22.9,22.5,22.9,22.2,22.9,22.7,23.1
1992,23.4,23.4,24.1,23.7,23.8,23.3,23.1,21.9,22.3,22.4,22.3,22.8
1993,22.5,22.9,23.1,23.3,23.3,23,22.2,22.4,22.5,22.6,22.5,23.2
1994,22.8,23.3,23.5,23.4,23,23,22.6,22.1,21.8,22.3,22.8,23.4
1995,23.5,23.6,24.6,24.1,23.2,23.3,22.6,23.1,22.6,22.5,22.5,22.9
1996,22.6,23.2,24,24,23.8,23.6,22.2,22.6,22.1,23,22.7,23.3
1997,23,22.8,23.3,23.4,23.4,22.8,22.9,22.1,22.8,23,23.7,23.9
1998,24.2,24.4,24.1,24.2,24.5,23.3,22.7,22.1,22.6,23,22.4,22.8
1999,23.1,22.7,23.3,24.3,23.3,22.2,21.9,21.2,21,21.6,21.6,22.3
2000,21.9,22.1,22.6,23.5,23.2,22.3,21.6,22.1,22.2,22.7,22.4,22.6
2001,22.8,23.3,23.6,23.9,23,23.3,22.2,21.8,21.7,22.1,22.6,23.2
2002,23.7,22.8,23.9,23.7,22.9,23.4,22.2,22.4,22.3,22.5,22.8,23.2
2003,23.7,23.6,23.5,23.6,22.8,22.9,22.5,22.3,22,22.4,22.8,23.7
2004,23.7,23.5,24.3,23.7,23.2,23.5,22.1,22.5,22.5,22.9,22.7,23.6
2005,23,23.1,23.6,23.8,23.1,22.8,23.2,21.8,22.9,22.9,22.3,22.6
2006,23.1,23.1,23.3,23.6,23.1,22.8,21.7,22.2,22.1,22.5,22.9,22.9
2007,23.6,23.1,23.8,23.7,23,23.4,22.4,22.2,21.6,21.7,21.9,22.4
2008,22.6,22.3,23,22.9,21.8,22.6,21.7,22.3,22.9,23,22.9,22.5
2009,22.2,23.5,23.3,23.7,22.7,22.9,23.1,22.2,23.3,23,23.8,23.9
