1901,23.1,24.4,23,25.3,26.4,27.7,28.1,28.1,28,27.1,23.6,21.8
1902,23.1,24.5,22.9,24.7,25,27.9,28.1,28.1,28.1,29.3,27,21.8
1903,21.4,24.9,26,24.6,25.3,27.2,29,28,28.1,28.8,27.3,22.4
1904,22.8,24.9,23.8,25.5,24.7,26.5,28,27,27.6,27.4,26.8,22.5
1905,23.1,23.8,24.3,23.7,24.1,27.8,28.5,27.7,29.1,28.5,25.7,23.7
1906,24.2,24.3,25.3,24.3,25.3,29,28.1,26.9,28.1,28.3,27,22.9
1907,22.1,22.9,23.6,23.6,23.2,26.1,27.8,26.9,27.7,27.6,23.8,21.7
1908,22.2,23.3,24.2,25.4,25.3,27.6,28.5,27.4,28.2,28.3,27,25
1909,22.2,22.8,25.1,24.5,25.8,27.7,28.3,27.4,27.6,28,25.5,24.1
1910,21.6,23,22.7,23.9,24.3,26.4,27.9,27.8,28,28.7,28.3,22.7
1911,20.9,22.2,21.3,24.3,24.3,26.7,28.3,27.9,28.6,29.6,27.1,24.7
1912,22.8,22.7,24.4,22.9,24.2,27,28.1,27.7,28.2,27.4,26.6,22.8
1913,22.9,24,23.7,24.8,23.5,27.4,27.9,28.1,28.2,28.3,26.9,24.7
1914,22.4,22.9,24.2,23,25.1,26.1,27,27.5,27.7,28.4,25.6,22.8
1915,23.7,22.2,22,23.6,24.6,29,28.8,28.2,29.1,28.8,26.3,25.2
1916,22.9,22.5,22.2,23.1,24.3,28.3,28.4,27.8,28,29.4,26.7,25
1917,23.7,21.8,24,23.2,24.3,26.3,28.4,27.5,27.7,27.2,25.2,22.8
1918,24,23.6,23.4,24,25.4,28.3,28.1,27.7,27.9,27.9,25.2,23.3
1919,23.1,25,25.9,24.1,24.8,28.4,28.3,28.3,28.4,29,27.9,23.7
1920,23,21.6,23.3,24.8,24.7,27,26.7,26.9,27.2,27.5,25,23.4
1921,23.3,22,22.6,24.2,24.2,27.7,27.5,28,28.1,28.3,25.2,22.8
1922,21.6,23.5,22.6,22.6,24.1,25.4,26.5,27.5,27.2,28,26.7,23.6
1923,21.8,24.2,22.8,23.2,23.9,26.3,27.5,27.5,27.9,28.6,26,24.8
1924,22.8,21.2,23.6,23,24.3,26.8,28.1,27.4,27.5,26.3,26.7,22.5
1925,22.5,22.7,22.6,23.6,25.1,26.8,27.4,27.2,27.4,27.6,25.8,24.1
1926,23,23.3,24.5,24.9,23.5,27.8,28.4,28.1,27.9,28.6,26.2,24.6
1927,23.3,23.5,23.6,23.9,25,27.1,27.6,26.7,27.2,28.1,27,23.6
1928,21.8,21.8,22.3,22.5,24.3,28.2,28.2,27.1,28.1,28.3,25.5,23.4
1929,23.2,23.9,22.4,22.5,23.4,27,28,26.8,27.6,27.9,25.2,23.4
1930,20.8,20.2,20.8,21.8,22.9,26,27.3,27.3,28.3,29.2,28.6,23.4
1931,22.7,23.7,25.1,24.9,24.4,25.8,27.6,28.7,27.5,28.9,27.1,24.6
1932,22.9,22.8,21.9,25.7,24.1,27.7,28,26.8,27.7,28.3,26.3,22.8
1933,21.7,22.9,25.3,25.5,25.5,27.6,28.2,27.7,27.7,28.6,25.9,22
1934,22.8,22,23.5,23.4,24.1,26.5,27.6,27.6,28.2,28.5,24.8,23.5
1935,23.4,21.9,22,24.3,24.4,27.3,27.9,27.3,28.3,27.5,25.5,24.9
1936,24.3,23.1,25.1,24.3,24.7,28.4,28.4,27.6,27.6,28,26,24.2
1937,23.3,25.7,24.6,23.5,24.7,28.4,28.1,28.1,28.3,28.3,27.5,25.7
1938,22.7,23.4,24.2,24.1,25.7,27.3,28.1,27.8,27.7,28.3,27.6,22.7
1939,22.9,22.3,22.5,23.2,24,27.5,28.3,27.4,28.1,28,25.9,23.7
1940,22.3,22.8,24.3,22.7,24.6,28.7,28.3,27.2,28,27.1,25.7,23.3
1941,22.6,23.4,23.1,24.3,25,25.8,27.8,28.2,28.1,29.2,26.8,23
1942,21.4,21.6,23,23.6,24,27.3,28.3,27,27.9,28.3,26,23.8
1943,21.9,23.3,22.5,24.5,26.3,28.2,28.3,27.2,27.7,27.9,26.5,22.3
1944,23.3,22.4,23.3,24.6,25.5,28.2,28.6,27.9,27.6,28.6,26.7,22.6
1945,24.1,24.1,26.6,27,24.8,27.2,28,27.7,28.4,29.2,26.7,25.9
1946,22.1,24.6,24.3,23.7,25.2,27.5,28.4,28.2,28.2,28.8,26.2,23.9
1947,22.1,22.3,25.4,25.3,24.4,26.1,27.9,27.9,28,28.9,26.1,24.8
1948,23.1,24.4,26,23,24.7,27.6,28.1,27.5,28,27.8,27,23.7
1949,22.4,23.7,22.6,25.2,23.6,27.4,27.6,27.5,28.2,29,26.6,24.1
1950,22.4,23.1,26.2,25,24.8,28.2,28.3,27.7,27.4,28.1,26.8,23.7
1951,22.4,22.2,23.4,24.2,24.5,26.9,28.1,27.6,27.5,27,25.1,22.1
1952,20.7,22.2,23.5,24.2,24.1,28.3,28,27.1,27.1,27.6,27.3,23.9
1953,23.8,21.9,23.3,23.2,24.4,26.8,27.1,27.4,27.4,27.7,26.5,23.5
1954,22.6,20.4,23.4,24.3,25.8,27.7,27.4,26.7,27.6,28.9,27,23.8
1955,23.8,23.1,22.7,25.2,25.7,27.7,27.1,27,27.3,27.6,26.6,24
1956,23.1,21.8,23.1,23.2,24.8,26.5,27.1,26.9,27.2,27.9,26.3,23.1
1957,21.5,23.2,23.3,23.3,23.5,26.2,27.1,27.3,27.5,26.9,26.2,23.4
1958,22.5,23.9,25,25.1,26.1,28.2,28,26.5,27.9,27.7,26.2,22.9
1959,22.8,24.1,24.6,25.4,25.2,27.3,27.7,27,27.4,28.2,25.6,22.4
1960,23,24.6,24.9,24.9,25.4,27.1,27.5,27.4,27.2,28.4,26.8,22.6
1961,22.8,24.5,25.2,26.3,27,28.4,28.4,27.7,27.5,27.5,25.6,24
1962,24,24.6,26.1,25.4,26.2,27.3,28,27.2,27.8,27.9,27.3,23.9
1963,24.7,25.1,26.5,25.7,27,28.1,28.1,27.9,28.1,27.5,26.8,22.6
1964,23.2,25,25.4,25.9,27.7,27.9,27.9,27.2,27.6,27.7,26.7,22.7
1965,21,22.9,26,25.1,26.3,27.1,26.9,27.3,27.4,27.8,26.4,23
1966,23.1,25.5,25.6,26.1,26.6,27.7,28.2,28,27.3,27.8,27.2,24.3
1967,23.7,23.5,24.4,24.6,25.1,27.7,27.9,27.3,26.9,27.8,24.9,21.6
1968,21.1,22.6,23.8,24,24.7,25.9,27.5,27.9,27.8,28.5,26.5,24.5
1969,24.5,25.2,26.4,27.8,27.5,27.8,28.2,27.2,28.1,28.2,26.8,24
1970,23.4,24.9,25.8,27.4,26.2,28.3,28,27.5,28,28.9,26,24.5
1971,22.7,22.5,22.7,23.6,24,25.7,27.1,26.7,27.5,28.3,24.9,22.6
1972,21.8,22.2,23,23.2,24,26.6,27.1,26.7,27.6,28.4,27.9,22.6
1973,22.3,22.5,24,25.8,25.5,27.1,27.4,27.4,27.5,27.8,27.1,23.1
1974,21.9,23,23.3,23.2,24,25.7,27,26.6,27.4,27.2,24.7,23
1975,23,24.5,23.3,23.8,24,26.4,27.4,27.4,26.9,28.1,24.8,22.9
1976,21.4,21.8,23,24,26.4,26.4,27.3,27.7,27.7,27.3,26.1,21.5
1977,22.1,24.9,25.5,25,24.3,27,27.6,27.2,27.6,27.9,26.1,24
1978,23.2,22.7,24.6,24.1,24.8,27.6,27.4,27.4,27.3,28.1,26.6,23.6
1979,22.3,24.4,24.1,25.7,25.7,27.7,27.5,27.4,28.1,28,26.5,24.6
1980,22.1,23.8,23.7,25.5,24.8,26,27.1,27.1,27.5,27.5,25.5,22.8
1981,22.9,22.3,25.5,24.9,25.5,27.2,27.4,27.5,28.3,28.2,27.1,24.1
1982,22.8,22,23.7,24.1,24.1,26.5,27.7,26.9,28.2,28,26.2,22.3
1983,24,24.5,26,25.3,25.4,26.6,28.3,27.8,28.1,29.1,27,22.9
1984,22.1,24.2,23.1,24.1,26.1,27.4,27.9,27.3,28,28.1,26,22.9
1985,21.1,23.5,23.8,23.8,23.7,26.1,27,27.3,27.3,28.4,25.8,23.4
1986,21.1,22.1,23.7,25.2,25,26.3,27.2,27.5,27.4,28,25.6,22.9
1987,22,23.2,25.2,25.8,26.7,28.2,28.5,28.1,27.8,28.3,26.8,24.4
1988,21.9,23.1,26.2,25.5,25.6,27.1,27.7,27.3,27.6,27.6,25.8,22.6
1989,22.7,23.7,23.9,23.9,25.2,27.7,27.6,27,28,27.9,25.1,24.7
1990,21.7,25.5,26.8,24.4,25.3,25.9,27.2,27.8,28.6,28.8,26.3,23.2
1991,23.4,23,23.4,24.4,23.6,26,27.6,27.7,28,27.9,27.5,25.5
1992,23.8,22.8,24.8,23.8,25.3,27.2,27,27.3,27.9,27.5,26.6,23.8
1993,22.9,23.1,24.2,24.8,25.6,27.4,27.8,27.7,27.8,28.1,24.7,23.2
1994,21.7,23.2,24.4,25,24.6,26.5,27.4,27.2,27.3,27.6,26.7,24.7
1995,22.8,24.4,22.9,24.4,25.3,27,28.6,27.8,27.9,28.3,27.3,23.9
1996,23.6,23.9,25.5,25,26.3,27.1,27.7,27.8,27.8,28.7,27.3,23.9
1997,23.7,26.6,25.2,24.5,26.2,27.7,28,27.3,28,27.8,27.7,23.9
1998,24.1,26,26.4,25.9,25.8,26.8,27.3,27.6,28,28.9,27.3,24.3
1999,21.4,22.4,23.1,24.4,25.5,27.9,27.9,27.3,27.7,28,26.7,23.5
2000,22.7,24.2,25.5,25.5,26.3,26.6,27.5,27.2,27.8,27.4,26.6,23.7
2001,22.7,24.6,24.8,24.9,24.6,27.5,28.2,28.2,28.4,29.3,27.1,26.6
2002,23.7,24.1,24.1,24.1,25.5,27.4,28.3,27.9,28.4,28.4,26.6,25.4
2003,23.2,22,25.7,25.3,26.5,26.9,27.9,27.9,28.1,28.7,27.5,24.5
2004,22.9,24.1,24.9,24.5,25.8,27.1,27.8,27.9,28.3,29.2,27.6,24
2005,23.7,22.8,25.6,25.9,27.5,28.2,28.4,28,28.3,29.5,27.4,25.5
2006,23.3,23.1,25.4,24.7,25.4,26.2,28.3,28.2,28.2,28.8,27.7,23.6
2007,23.9,24.9,25.6,24.9,26,26.4,27.2,27.4,27.9,28.4,27.5,23.5
2008,23.9,24.6,25.9,25.9,26.4,27.8,28.1,27.7,28.3,28.4,26.1,23.3
2009,21.8,21.7,23.4,24.9,25.2,27.5,28.6,28.1,28,28.6,27.2,24.6
