1901,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1902,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1903,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1904,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1905,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1906,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1907,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1908,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1909,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1910,23,22.8,22.9,22.6,22.8,22,21.6,22.2,22.6,23.1,23.9,23.3
1911,22.9,22.7,22.5,22.6,22.8,22.3,21.8,22.5,22.9,23.4,24.2,23.7
1912,23.3,23.1,23.2,23.2,22.9,22.1,21.7,22.3,23,23.5,24,23.6
1913,23.2,22.8,22.9,22.9,23,22.2,21.9,22.7,23.1,23.8,24.5,23.7
1914,23.3,23,22.9,22.9,22.9,22.1,21.8,22.6,23,23.5,24.1,23.8
1915,23.3,23.3,23,23.1,23.2,22.3,21.9,22.6,23,23.4,24,23.6
1916,23,22.9,22.9,23,23.1,22.1,21.7,22.4,23.1,23.3,24,23.6
1917,23.1,22.9,22.9,22.9,23.1,22.4,21.8,22.4,22.9,23.3,24.2,23.4
1918,22.9,22.7,22.9,22.9,22.8,22.7,22.3,22.8,23.1,23.4,24.1,23.6
1919,23.2,23,22.8,23,23.3,22.1,21.6,22.4,23,23.3,24.1,23.4
1920,23,22.8,22.9,22.8,22.8,22,21.4,22.3,22.8,23.4,24,23.2
1921,22.8,22.7,22.7,22.7,23,22,21.4,22.4,22.8,23.3,24,23.5
1922,23,22.8,22.8,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.6
1923,22.8,22.8,22.8,22.8,22.9,22.5,21.6,22.5,23.2,23.4,24.2,23.5
1924,23.3,22.8,22.9,23,23.2,22.3,21.8,22.6,22.9,23.3,24,23.5
1925,22.8,22.5,22.5,22.8,23.1,22.3,21.8,22.5,23.1,23.6,24.1,23.6
1926,23.1,22.9,23,23.1,23.2,22.5,21.9,22.6,23.1,23.5,24.2,23.5
1927,22.9,22.7,22.8,22.9,23.1,22.4,21.7,22.6,23.1,23.4,24.3,23.7
1928,23,22.9,22.7,22.9,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.5
1929,23.1,22.8,22.7,22.9,23.1,22.3,21.7,22.6,23.1,23.5,24.2,23.7
1930,23,22.8,22.9,22.9,23,22.4,21.9,22.5,23.2,23.5,24.3,23.7
1931,23.1,22.9,23,23.1,23.1,22.5,21.8,22.6,23.1,23.6,24.2,23.6
1932,22.9,22.7,22.7,23.1,22.9,22.4,21.8,22.5,23.1,23.3,24.2,23.6
1933,23,22.8,22.7,22.9,23,22.3,22,22.5,23.3,23.4,24,23.4
1934,22.8,22.6,22.6,23,22.9,22.4,21.7,22.6,23.2,23.4,24.1,23.6
1935,23,22.6,22.8,23,23,22.4,22,22.6,23.1,23.5,24.2,23.7
1936,23,23.1,23,23.2,23.2,22.5,21.9,22.5,23.3,23.5,24.4,23.7
1937,23,22.8,22.8,23,23.1,22.4,21.9,22.6,23.1,23.5,24.2,23.7
1938,23,22.8,22.8,22.9,23.1,22.5,22,22.6,23.2,23.5,24.2,23.7
1939,23,22.8,22.7,22.9,23.1,22.4,22,22.6,23.1,23.5,24.2,23.6
1940,23.1,22.9,22.9,22.9,23.1,22.5,22,22.6,23.2,23.5,24.2,23.7
1941,23,22.9,22.9,23.1,23.2,22.3,22.1,22.7,23.1,23.9,24.7,24.2
1942,23.1,22.7,22.8,23,23,22.3,22.1,22.5,23.1,23.6,24.4,23.5
1943,25.3,22.9,25.5,24.8,23,22.5,22.7,22.6,23.6,25,24.4,25.3
1944,24.7,24.3,23.7,24.2,24.2,23.2,24.7,24.3,25.3,24.7,25.1,24.8
1945,24.5,24.3,24,22.9,22.9,22.8,22.4,23.7,25,24.8,25.8,24.3
1946,22.8,23.7,23.8,23.9,23.6,23.3,22.3,23.3,24,24.3,25.2,23.7
1947,23,22.8,22.9,22.8,23,22.3,21.8,22.6,23.2,23.4,24.2,23.5
1948,23.3,23.4,22.7,22.7,24.3,23,21.8,22.8,23.8,23.5,24.5,23.5
1949,23,23.3,23.7,23.1,23,22,21.1,22.2,22.3,22.6,24,22.7
1950,22.8,22.2,22.2,22.3,22.3,21.2,21,22.2,22.9,22.9,23.9,23.1
1951,21.7,22.1,22.1,22,22.9,23.1,22.6,22.9,23,23.5,24.1,23.3
1952,22.6,22.4,22.6,22.3,23,21.5,21,21.8,22.4,22.8,23.7,23.1
1953,22.5,22.1,21.8,22.6,23.4,22.4,21.4,22.9,23,22.5,24.2,22.4
1954,22.9,22.2,22.4,22.8,22.2,21.6,21.2,22,22.6,22.6,23.8,22.9
1955,22,22.5,21.8,22,22.3,21.5,21.1,21.5,22.2,22.7,23.6,22.8
1956,22.1,22.4,22.1,22.2,22.2,21.5,21.2,22,22.4,22.5,23.3,22.8
1957,22.3,21.9,22.1,22.5,23.9,23.5,22.9,23.4,23.6,24,25.1,24.2
1958,23.1,22.5,22.3,22.7,22.9,22.1,21.8,22.2,22.7,23,23.9,23.2
1959,22.9,22.8,22.4,23,23.1,21.3,21.6,22.4,23,23.1,23.6,22.8
1960,22.2,22,21.9,22.7,22.4,21.3,21.5,22.3,23,22.9,23.8,23.3
1961,22.3,21.9,22.4,22.3,24.2,22.2,21.6,22.8,23.5,23.6,24,23.9
1962,23,23,22,22.5,22.8,21,22.2,22.9,23.9,24,24.6,23.8
1963,22.6,21.8,21.7,22.1,23.5,22.9,22,23.3,23.7,24.3,24.4,24.4
1964,24.1,23.2,22.3,22.2,23,21.5,21.4,21.9,22.4,23,24,22.6
1965,22.3,22.8,22.1,21.9,22.9,22.4,22.2,22.6,23.2,23.9,23.7,23.7
1966,23.3,23.3,22.6,22.8,23,21.9,21.8,22.4,22.8,23,23.5,22.3
1967,22.4,21.6,21.9,22.8,22.6,20.5,20.9,21.9,21.8,22.9,23,22.9
1968,22.2,21.8,22.1,22.9,21.6,21.2,20.9,22.8,22.6,23,24,23.5
1969,22.8,23.2,23.1,23,23.8,22.8,22.2,22.2,23,23.1,24.1,23.3
1970,22.7,22.2,23.2,23.3,22.4,22.1,21.5,21.4,22.3,23.2,23.2,23.1
1971,22.4,21.6,21.3,22.1,21.4,21.5,21.1,21.4,22.2,22.3,23,23
1972,22.6,22.3,22,22.3,22.8,22.8,23.2,23.2,23.4,24,24.5,24.1
1973,22.9,22.7,22.7,22.6,22.6,21.7,20.7,21.6,21.8,22.5,23.1,21.8
1974,22.1,21.7,22.2,22.7,22.7,21.8,20.7,21,21.1,22.1,23.3,22.9
1975,21.5,21.6,22.2,22.8,21.9,21.5,19.9,21.3,21.7,22.6,22.5,21.7
1976,21.3,21.2,21.5,21.9,22.6,22.8,22.5,23.1,22.8,22.6,23.9,23.4
1977,22.7,22.4,22.9,22.6,22.8,22.1,22.3,22.7,23,24,25.1,24.6
1978,23.5,24,22.5,22,22.9,22.2,21.9,22.3,23.3,23.4,25.1,23.5
1979,22.9,22.9,22.8,23.2,23.1,22.7,22.4,22.6,22.8,23.6,23.8,23.2
1980,22.7,21.6,23.2,23.5,23.2,22.7,22,22.3,22.6,23,23.4,22.6
1981,23,23.2,23.9,23.8,23.4,22.5,21.8,22.4,23.7,24,23.7,24.3
1982,23.6,23.7,23.9,23.5,23.6,23.5,23.1,23.2,23.9,24.9,25.2,24.9
1983,24.3,24.4,24.2,24,24.7,24.3,23.9,23.4,23.8,23.7,25.3,23.7
1984,22.2,22.3,23.3,23.2,22.4,22.7,21.4,23.3,23.2,24.4,23.7,24.4
1985,22,23,23.3,23.6,22.5,22.8,21.2,22,23,23.2,23.3,23.2
1986,23.4,22.8,23.2,23.5,23.2,22.2,21.8,23.2,23.3,23.3,24.2,24.6
1987,24.5,24.5,23.9,24.1,23.6,24,23.2,23.6,24.6,23.7,25.5,25.2
1988,23.7,23.4,24,23.3,23.7,22.6,21.4,22.4,23.2,23.1,23.9,22.6
1989,22.4,22.2,23.4,23.6,22.5,22.2,21.1,23,23.1,23.8,24.7,23.4
1990,23.8,22.8,23.3,23.5,23.3,23,22.3,22.5,24.1,23.8,25.5,24.6
1991,22.8,23.1,23.2,23.6,23.6,23.4,21.8,21.4,23,24,24.4,23.8
1992,23.7,22.9,22.8,23.6,23.6,23.1,21,22.4,23,23.9,24.2,23.3
1993,22.5,22,22.5,22.9,23.3,23.3,22.5,22.9,23.2,23.9,24.1,23.8
1994,22.4,22.6,22.7,22.7,23.2,22.5,21.9,21.9,23.3,23.7,24.4,23.8
1995,23.6,22.9,22.8,22.4,23.2,23.3,22.7,23.2,23.1,23.7,24,22.7
1996,21.8,22,23.1,23.1,22.8,21.6,21.4,22.4,23.4,23,24.2,23.3
1997,22,22.7,23,23.5,24.3,23.8,23.1,23.9,24.4,24.7,25.2,25.1
1998,24.7,24,24.3,24.7,24.3,23.4,22.6,24,23.7,24,24.7,23.5
1999,22.4,22.2,23.1,23,22.5,22.7,21.6,22.5,22.7,23.3,24.2,22.8
2000,22,21.5,21.5,21.6,23.1,22.7,22.5,23.1,23.1,24.1,24.8,23.7
2001,24.2,24,22,22.4,21.8,20.5,21.2,22,22,22.6,23.5,23
2002,22.4,22.7,23,23.5,23.7,21.5,21.3,22.2,22.7,23.3,24.9,23.8
2003,23.2,22.8,22.9,22.3,22.5,21.5,21.5,22.3,23,23.7,24,23.3
2004,22.3,22.8,22.7,22.3,21.8,20.7,20.9,21.7,22.5,24.3,23.9,24.5
2005,22.9,22.4,21.6,22.6,22.2,21.2,21.4,21.9,21.9,22.2,22.4,21.7
2006,22.5,21.8,22.3,21.9,22.2,22.5,21.8,22.5,23.1,23.5,24.3,23.4
2007,23.4,22.9,22.3,22.7,22,20.3,20.9,21,21.5,21.5,22.9,22
2008,22.2,22.1,22.3,22.1,21.8,21.4,21.9,22.5,23.1,23.1,23.4,22.8
2009,22.5,22.6,21.9,23.8,23.4,23.3,23.3,23.5,23.9,24.2,24.6,24
