1901,23.8,24.4,25,26.5,25.1,22.9,22,22.3,23.6,23.6,23.4,21.6
1902,22.3,23.2,25.7,26.2,25.7,23.7,22.3,23,22.5,23,23.2,22.8
1903,23.1,24.2,26.1,26.5,25.5,23.3,22,22,22.5,23,22.2,21.4
1904,21.8,22.9,25.2,26.2,24.7,21.9,21.3,22,22.9,23.4,22.7,21.8
1905,22.5,24.3,25.7,25.8,25.5,23.3,22.4,22.5,23,23.3,23.3,22
1906,23.6,24.9,25.2,27.6,26.7,23.3,22,22,22,23.2,23.4,22.2
1907,22.3,23.9,25.4,25,25.3,22.7,22,21.4,23.1,23.7,23.2,22.3
1908,22.7,23.5,24.9,26.9,25.2,23.4,21.4,21.9,23,23.7,23,22
1909,22.7,24,25.8,26,24.9,23.2,21.7,22.3,22.3,23.5,23.8,23
1910,22.8,23.8,25.9,26.7,26.1,23.1,22.3,21.6,21.8,23,22,20.9
1911,22.7,22.6,25.4,26.3,25.4,23,21.7,22,23.5,23.2,23.5,22.5
1912,22.1,24.9,26.1,26.9,26.6,23,21.8,22.2,23,23,22.7,21.6
1913,21.8,24,25.9,26.9,26.1,23.1,21.6,22.2,23.6,23,23.1,23
1914,22,24.3,26.1,26.4,26.1,24,22,22,23.4,23.3,23.4,23.1
1915,23.2,24.6,25.6,26.5,25.9,23.6,22.5,23,23.3,23.9,23.5,21.8
1916,21.9,24.1,25.9,27,25.5,22.3,22.3,21.9,22.5,23.2,22.9,21.6
1917,21.8,23.1,24.9,26.2,24.9,22.2,22.5,22.2,22.5,22.5,23.3,22.1
1918,22,22.6,24.5,26,24.2,22.7,22.7,22.4,23,24.3,24.2,22.6
1919,23.6,24.7,25.7,27.2,25.3,22.8,22.2,22.2,23.1,23.7,23.3,22.6
1920,22.2,24.3,26.1,26.2,26,23.2,22.2,22.3,23,23.6,23.3,21.9
1921,23.4,23.7,26,25.8,26.2,23.1,22.2,22.3,22.3,23.2,22.6,21.8
1922,22.8,23.4,26.1,26.6,25.3,22.9,21.7,22.2,22.9,23,23,21.4
1923,22.2,23.6,25,26.2,25.6,23.5,21.2,21.9,22.6,23.7,24.2,23.2
1924,23.1,24.7,25.8,27.4,26.5,22.9,21.7,22.3,22.9,23.7,23.4,22.4
1925,23.3,24,25.6,27,24.3,23.2,22,22.2,23.4,23.4,23.3,22.5
1926,23.4,24.3,26.4,26.5,26.6,23.8,22.9,22.6,23,23.7,23.7,23.2
1927,23.9,25,26.8,27.5,26.2,23.1,21.5,22.5,23.2,23.5,23.2,23.2
1928,23.6,24.4,25.8,27,26.8,23.6,22.1,22,23.6,23.5,23.6,22.5
1929,23.3,24.3,25.5,25.8,25.5,23.1,22.6,23.2,23.7,23.4,23.3,23
1930,23.2,24,25.7,26.7,25,23.6,22.4,22.6,23.3,23.4,23.3,22.9
1931,22.8,24.5,26.2,27.2,26.8,23.9,22.5,22.5,22.8,23.9,23.3,22.4
1932,21.8,23.7,25.2,26.7,25.2,23.2,21.9,22.7,22.9,23.6,23.2,22.2
1933,22.6,24.3,25.4,26.3,24.6,22.3,21.8,21.9,22.3,22.8,23.4,22.2
1934,22.5,23.4,25.2,26.3,25.8,23.1,22.2,22.3,23.4,23.8,22.1,21.7
1935,22.7,24.2,25.7,26.1,26.6,23.4,21.8,22,22.3,23.5,22.5,22.6
1936,23.1,24.4,25.5,26.6,25.8,22.2,21.9,22.1,23.1,23.5,23.4,22.9
1937,22.7,24.8,26.2,25.5,25.8,23,21.6,22.7,23.4,23.3,22.9,22.2
1938,23.1,24.6,26.4,26.6,25.9,22.6,21.7,21.9,22.6,22.6,22.7,22.5
1939,22.3,23.8,25.3,25.7,26,23.1,21.6,22.2,22.9,23.7,22.9,22
1940,21.4,23.8,25.4,25.9,25.1,23.1,22,22,23.3,23.7,23.1,22.4
1941,22.9,24.4,26.6,27,26.1,23.1,22.7,22.9,23,23.9,23.8,22.9
1942,22.6,24.3,26.1,26.4,26.2,23.1,21.9,22.1,22.8,23.4,22.6,22.8
1943,23,24.1,25.9,25.5,24.5,22,21.4,22.1,22.2,22.3,22.9,21.9
1944,22.8,23.8,24.5,25.5,25.8,23,21.7,22.8,22.9,23.3,23.3,22.5
1945,22.8,24.6,26,25.8,25.8,23.2,22.2,22.4,23,23.4,22.8,22.5
1946,21.8,23.7,26.1,25.9,25.3,22.7,22,22.1,22.7,23.5,23.1,22.6
1947,23.1,23.8,26.1,25.7,26,23.3,22.1,22.4,22.4,23,22.7,22.6
1948,23.4,24.6,25.9,26.2,25.3,23.2,22.2,22.4,23,23.2,23.8,22.4
1949,22.5,23.8,26.1,26.2,25.1,22.7,21.9,22.3,22.3,23.5,22.5,21.8
1950,22.4,24.2,25.7,26.2,26,22.8,21.5,22.3,22.4,22.8,22.5,22.2
1951,22.5,23.5,25.4,25.7,25.2,22.1,21.7,22.8,23.5,23.5,23.8,22
1952,22.8,24.3,25.4,26.7,25.5,23.1,22.3,22.3,23.1,23.1,23,22.4
1953,22.7,23.4,26.2,25.7,26.2,23.7,21.7,22.5,22.9,23.2,22.5,22.1
1954,22.9,24.3,25.4,26.3,25.3,22.8,21.5,21.8,22.4,22.5,22,22.2
1955,22.5,24.2,25.3,25.7,24.3,22.3,21.8,21.9,23.2,23.4,22.3,21.5
1956,22.1,23.2,25.8,26.6,24.8,22.1,21.1,22,22.6,22.8,22.9,21.9
1957,22.3,23.7,24.8,25.8,25.6,22.9,21.9,22.3,23.1,23.7,23.4,23.1
1958,23,24.6,26,26.3,25.3,23.7,22.2,22.4,22.9,23.4,23.7,22.4
1959,23.3,24.4,25.8,26.3,25.8,22.9,21.5,22.3,23,23.6,23.3,22.7
1960,23.1,23.9,25.8,26.1,24.9,23.2,22.3,22.4,22.6,23.4,22.8,22.4
1961,22.7,24.1,26,26.5,24.8,22.5,21.3,22.2,22.7,23.2,23.1,22.3
1962,22.4,23.7,25.2,25.6,24.9,23.5,22.2,22,22.8,23.2,22.9,22.3
1963,22.3,23.1,25.3,25.6,25.6,23,22.5,22.3,23.3,23.5,23.5,22.6
1964,22.4,23.9,25.8,27,26.3,23.3,22.2,21.9,22.2,23.3,22.4,21.7
1965,22,23.4,25.1,25.6,25.5,23.3,22.2,22.2,23.3,24.4,24.1,22.7
1966,23.2,24.6,26.1,26.5,25.4,23.4,22.3,23,23.1,23.3,23.3,22.5
1967,22.3,23.2,25.2,26.5,25.8,23.2,21.4,21.8,22.6,22.7,22.1,22.8
1968,22.4,23.8,25.2,25.5,25.7,23.1,21.5,22.4,22.8,23.1,23.3,22.4
1969,22.4,24.3,26.3,26.7,25.7,23.5,22.1,22.5,22.6,23.2,23.4,22.5
1970,22.8,23.8,25.5,26.5,24.8,22.7,21.9,21.7,22.5,23,22.6,21.4
1971,22.6,23.3,24.7,25.9,24.9,22.3,21.7,21.7,22.6,22.8,22.1,21.3
1972,21.6,23.5,25,26.3,25.2,24,22.4,22.5,23.6,24,23.5,23.2
1973,22.5,24.8,25.9,27.2,26.1,23.6,22.5,21.5,23,23.3,23,22
1974,22.4,23.6,26,26.7,25.1,23,21.9,21.9,22.6,22.8,22.9,21.9
1975,22.3,24.4,25.3,26.6,25.2,22.5,21.5,21.7,22.3,22.8,22.3,21.5
1976,21.4,23.1,25.9,25.6,25.6,23.7,22.3,22.2,23.4,24.1,23.6,22.9
1977,22.7,24.2,26,26.7,24.8,23.2,22.2,22.7,23.5,23.6,23.8,22.5
1978,22.9,24,25.8,26.7,25.4,22.4,21.6,22,22.8,23.9,23.8,23.1
1979,23.4,24.5,26,27.1,26.2,23.5,21.7,22.5,23.1,23.9,23.7,23.3
1980,22.7,24.4,25.9,26.9,26.6,23,22.4,22.3,23.6,24,23.8,23.2
1981,23.1,24.5,26,27,26.2,22.8,22.9,22.3,23.1,23.9,23.5,22.6
1982,22.6,24.6,26.3,27,26.1,23.2,22.6,22.6,23.5,24.5,23.8,22.8
1983,23,25.3,26.7,27.1,26.7,24.2,23.1,22.5,22.9,23.9,23.2,23
1984,23.2,24,25.5,26.4,26.7,23,22,22.5,23.2,23.2,23.4,22.8
1985,23.5,24.8,26.6,27.1,26.3,22.6,22.2,22.6,23.7,23.4,23,23.1
1986,22.8,24.1,26.4,27.4,26.4,23.3,22.8,22.3,23.4,24.3,23.6,23.3
1987,23.2,24.1,25.6,27,26.5,23.8,23.6,22.9,24.4,24.3,24.3,23.3
1988,23.1,25.4,26.8,26.5,26.4,23.9,22.6,22.6,23.1,24.2,23.8,23
1989,23,24.3,25.8,26.9,26.2,23.1,22.2,22.3,23.3,24,23.8,23.1
1990,23.1,24.7,26.4,27.3,25.4,23.3,22.3,22.5,23.7,24.1,23.7,23.1
1991,23.8,24.7,26.7,26.9,26.5,23.4,22.2,22.1,23.9,23.6,23.4,22.6
1992,22.3,24.5,25.8,26.8,25.8,23.3,22.1,22.3,23.4,23.7,24.1,22.3
1993,23,24.4,26.1,26.9,26.5,23.8,22.1,22.9,22.9,23.7,23.6,22.5
1994,23.4,24.6,26.4,26.7,26.1,23.5,22.1,22.8,23.5,23.6,23.2,22.3
1995,23,25,26,26.8,25.5,24.2,22.4,23,23.6,24,24.3,22.8
1996,23.4,24.5,26.6,26.7,26.7,23.6,22.6,22.6,23.4,23.6,23.9,22.5
1997,23.2,24.5,26.1,26,26.5,24.5,23,22.9,24,24.4,24.5,24
1998,24.6,25.4,27,27.7,27,24.5,22.9,23.2,23.4,23.9,24,23
1999,23.3,24.9,26.8,26.8,24.6,23.1,22.4,23,23.9,24.1,23.8,22.8
2000,23.5,24.6,26,26.9,25.6,23,22.4,22.3,23.6,23.9,24.1,22.6
2001,23.8,25.5,26.6,27.1,25.9,23.8,22.8,22.6,23.9,23.8,24.1,23.1
2002,23.7,24.5,26.7,27.4,26.4,23.8,23.4,23.1,24.5,24.5,24.1,23.3
2003,23.8,25.7,26.8,27.2,27.2,24.5,23.1,23.4,24,24.3,24.1,23.1
2004,23.7,24.9,27.1,27.3,24.7,23.3,22.6,22.9,23.5,23.7,23.7,23.2
2005,24.1,25.2,26.6,26.4,26.4,24.1,22.8,23.2,23.4,23.8,23.2,23.1
2006,23.7,24.3,26,27.1,25.6,23.5,23,23.2,24,24.3,24.3,23.2
2007,23.9,24.7,27,27.2,26.5,23.8,23.1,22.9,23.3,24,23.8,23
2008,23.8,24.6,25,26.4,26.3,23.5,22.7,22.7,23.5,24,24.2,23.4
2009,23.3,25.3,26.9,27.3,26.1,23.6,22.5,23.3,23.7,24.1,24.3,23.7
