1901,22,21.8,24.8,26.2,26.9,26.5,26.1,26,25.2,24.4,22.8,21.8
1902,21.9,22.5,25.7,26.5,27.4,26.9,26.2,26.3,25.2,24.5,23.3,23.1
1903,21.8,21.9,25.9,27,26.9,26.4,26,25.8,24.5,24,21.7,20.1
1904,20.3,22.2,24.4,25.6,26.5,26.3,25.9,26.2,25.4,24.6,22.3,21
1905,23.3,22.3,24,26.1,27.1,26.6,26.3,26.5,25.4,24.5,23.1,24.3
1906,22.6,23.6,24.7,26.7,27.5,27.2,26.6,26.9,25.8,24.1,22,22.3
1907,21.9,22.4,24.4,25.7,26.4,26.2,26.2,26.1,25.4,24.9,23.3,20.8
1908,22.1,22,24,25.6,26.6,26.4,26.1,26.2,25.4,24.5,22.3,22
1909,21.9,22.7,24.7,26.1,26.2,26.8,26,26.5,25.7,24.8,22.5,21.6
1910,22.5,22,24.1,25.7,27.2,26.6,26.2,26.4,24.8,24,22.6,20.6
1911,21.1,21.9,24.7,26.1,26.8,26.8,26.1,26.7,25.6,24.3,23.7,23.1
1912,21.6,22.6,25.7,26.3,28.3,27.3,26,25.8,25,24,21.7,21.6
1913,21,22.6,24.7,26.7,26.2,26.3,25.6,25.8,25.1,24,22.1,21.5
1914,21.1,22.9,25.3,26.7,28,26.6,25.8,26,24.9,24,22.9,22.6
1915,21.6,23.7,25.2,26.9,26.8,26.9,26.3,26.6,25,24.3,22.1,20.4
1916,20.5,21.9,24.7,26.2,26.9,25.9,26.2,26.2,24.8,23.7,21.2,20.9
1917,20.9,22,23.6,26.4,26.8,26.2,25.6,25.8,24.9,23.5,21.7,20.6
1918,19.7,20.9,24,25.3,26.3,26.3,26.5,25.9,25.3,24.4,23.2,23.1
1919,22.1,22.4,25.9,26.6,27,26.3,25.9,26,24.9,23.8,22.1,21.9
1920,20.2,22.2,24.7,25.9,27.1,26.5,25.9,26.5,25.3,23.7,23.1,22.5
1921,20.8,21.8,24.8,25.9,26.5,26.4,25.4,25.9,24.5,23.8,21.7,21.8
1922,21.7,22.7,23.9,26.1,27.3,26.4,25.4,26.1,25.2,23.9,21.8,21.2
1923,21.2,21.3,24.3,25.4,25.9,25.9,25.2,25.3,24.7,23.7,22.9,22.1
1924,21.9,22.4,24.5,25.5,27,26.3,25.2,26,25.8,24.3,23,20.5
1925,21.3,21.2,24.5,24.4,26.7,26.2,25.9,26.2,25.1,23.6,22.9,21
1926,21.7,22.5,24.5,26.3,27.4,26.4,26,25.6,25.3,23.5,22.5,21.9
1927,21.5,22.2,24.8,25.1,26,26.5,25.8,26.1,25,23.5,22.9,22.4
1928,23.5,21.6,26,25.7,26.9,26.2,26.3,26.3,24.8,23,22.1,23.1
1929,23.1,22.5,24.1,25.2,28.4,27.4,25.9,26,25,24.6,22.2,23.5
1930,20.1,22.4,23.5,27.8,27.3,27.4,25.4,26.1,24.5,24.4,23.6,22.8
1931,23.1,23.6,25.9,28.1,27.9,27.3,26.8,25.9,25.3,22.6,22.3,22.2
1932,21.4,21.6,23.8,26.7,28,27.1,25.9,26.4,24.5,23.9,23,21.5
1933,19.5,23.9,24.6,27.1,27.9,27.4,26.1,26.5,25.5,24.2,21.8,22.5
1934,20.1,21.4,24.1,24.8,27.1,27.2,25.2,25.9,25,22.7,23,21.9
1935,22.6,23.5,25.8,26.9,26.6,27.5,25.9,26.4,24.2,24.5,23.6,21.5
1936,20.6,22.6,22.6,27.2,27.3,27.1,26.2,25.7,25.3,23.5,23.2,23.5
1937,22.7,23.1,26.6,27.2,26.7,26.5,25.6,25.9,24.5,24.3,22.5,23.1
1938,23.1,22.7,24,25.7,26.3,26.5,25.4,26,24.9,24,22.2,22.9
1939,22.5,23.1,25.9,26,26.8,26.9,26.4,26.1,25.2,24.4,23.5,20.4
1940,21.7,23.2,25.1,26,27.1,27.6,26.8,25.9,25.4,25.5,24,23.9
1941,25.8,24.4,25.5,27.2,27.9,27,26.6,26.3,25.6,24.5,23.5,23.2
1942,21.6,23.4,25.7,26.8,27,26.9,26.1,26.2,25,23.7,23.3,22.1
1943,21.4,23.1,25.6,25.6,27.6,27.3,26.6,26.2,25.7,24.5,22.7,21.8
1944,22.7,22.8,25.1,26.8,26.8,26.7,26.3,26.2,25.5,24.5,23.1,20.6
1945,22.1,21.1,24.3,25.9,26.3,26.5,26.2,26.4,25.2,23.3,23.8,22.7
1946,21.8,23,25.8,26.4,26.5,26.9,25.5,25.6,25,24.3,23.2,22.3
1947,25,23.2,24.2,24.9,27.2,26.5,25.6,26.2,25.2,24,22.3,22
1948,22.2,23.9,25,25.5,27,26.2,25.8,26.1,25.6,25.1,22.3,23.4
1949,21.5,23.4,26.1,26.4,27.7,27.7,26.9,26.5,25.3,24.2,22.5,22.3
1950,23.2,22.4,26.3,26,27,26.1,26,26.5,25,23.7,22.6,20.7
1951,21.4,23.6,24.4,26,26.3,26.1,26.5,26.2,26,24.6,23,21.9
1952,22.5,24.3,26.2,26.6,27.9,27.1,26.5,26,25.2,24.2,23.5,20.6
1953,22.5,23,26.3,25.6,27.3,26.9,27.1,26.8,25.1,25.8,22.8,21.4
1954,24,23.7,23.6,27.1,27.7,27.6,27.5,27,24.7,24.6,23.4,21.7
1955,20.4,24.4,26.3,26.1,27.5,26.8,26.5,27,26,24.7,21.5,22.6
1956,21,23.3,26.3,26.2,26.9,27.1,26.6,26.1,25.5,24.6,21.9,20.5
1957,22.4,21.4,23.7,26,27.9,26.7,26.3,26.4,25.2,23.8,23.7,23.5
1958,22.4,22,26.7,27.6,28.2,26.5,25.8,26.6,24.6,23.2,21.7,22.3
1959,22.1,23.7,23.8,26.8,27.4,28.2,26.2,26,24.8,24,23.7,23.2
1960,22.5,22.6,26.1,26.2,27.1,26.2,26.2,26.1,25,23.8,23,21.6
1961,21.1,22.6,25.6,26.3,26.6,26.5,26.1,26.4,24.8,24.2,23.2,23
1962,20.1,22.1,24.7,25.8,27.1,26.5,26.2,26.6,24.8,24.6,22.6,21.9
1963,18.9,21.9,24.3,26.6,27.8,26.6,25.8,26.2,25.2,24.5,23.9,22.3
1964,22.5,22,25.1,27.1,25.8,26.4,26.9,25.9,24.9,24.4,21.3,20.9
1965,21.1,23.3,24.5,25.9,26.5,25.9,25.6,26.3,23.9,25,23.5,22.9
1966,23.5,23.6,25.3,25.6,25.3,26.5,25.9,25.8,24.9,25,22.9,22.7
1967,19.6,21.2,24.9,25.3,26.8,26.6,25.6,25.8,23.8,23.2,22.9,20.2
1968,21.6,19.9,24.3,25.3,26.7,26.1,26.5,25.8,24.7,23.8,23.4,24.1
1969,23.1,22,24.3,26.4,27.3,26.4,25.4,26.6,25.6,24.8,21.7,20.7
1970,20.9,22.7,24.5,24.9,26.4,26.7,25.9,25.3,24.2,22.7,21.8,21.7
1971,19.9,21.4,23.7,26.1,27.5,25.7,25.6,26,25.6,23.1,21.3,21.6
1972,20.4,21.6,23.8,23.8,27.3,26.2,24.9,25,24.9,24.8,22.9,22.2
1973,21.6,24.4,26.2,27.1,27.4,27,26.1,26.5,25.2,23.8,21.6,21.1
1974,21.3,21,23.3,25.1,27.1,26.4,26.9,26,26.1,24.1,22.3,21.3
1975,21.2,22.8,25.1,26.3,27.1,26,26.4,25.8,25.6,23.8,22.2,19.5
1976,20.7,23,24.2,26.1,26.8,26.5,25.9,26.3,24.8,24.3,21.2,21.9
1977,21.3,20.7,24.9,26,27.7,28.1,26.2,26.5,24.6,24.9,23.1,23.4
1978,22.7,22.6,25.2,25.4,26.2,26.8,25.9,25.5,23.9,23.1,22.8,23.2
1979,23.8,24.4,26.1,25.6,25.7,26.4,26.3,26,25.3,23.8,23,23.3
1980,23.2,22.4,26.5,26.5,26.8,26.6,26,26.5,24.5,24.2,23,22.3
1981,21.3,23.4,25.5,26,26.3,25.7,25.5,26.5,26.6,24.1,22.4,20.6
1982,22.1,22.9,25.5,24.4,26.5,26.1,26.1,26.2,24.6,25.1,23.8,21
1983,20.9,22.5,24.3,28,28.8,27.2,27.6,27.2,26.8,24.5,22.5,21.3
1984,20.2,21.7,24.4,26.9,26.7,26.2,26.4,26,25.1,24.5,23.1,22.2
1985,22,23.3,24,24.4,26.8,26,26.1,26.2,24.5,24.6,23.7,22.3
1986,21.6,22.9,24.6,26.5,26.4,26.9,26.1,26.7,26,24.7,22.8,22.6
1987,23,24.5,27,27,27.6,27.3,26.7,27.2,26,26.2,23.6,21.1
1988,23.5,23.6,24.6,25.2,27.3,27.1,27.1,26.5,26.5,23.1,21.9,22.2
1989,22.4,22.8,24.1,26.7,26.9,26.7,26.6,26.8,26.1,24.4,23.2,22.8
1990,22.7,23.1,23.8,26.9,26.3,26.6,26.6,27.2,25.7,24.2,23.2,23.3
1991,24,24.1,26.4,28.1,28.1,27,26.4,26.4,25.7,24.2,23.2,22.9
1992,21.3,22.1,25.9,28,28.5,27.3,26.5,26.6,25.9,23.7,23.2,23.4
1993,21.8,23.9,25.5,26.5,27.8,28,26.7,26.7,26,25.3,23.8,22.1
1994,23.5,24.1,24.1,27.5,28.1,26.7,26.1,26.9,25.7,25.2,24.7,24.2
1995,22.7,22.5,25.3,27.9,27.9,27.8,27,27.4,26.2,25.2,22.7,22.3
1996,23.2,21.5,25.9,24.9,26.2,27.5,26.8,27.2,25.3,25,23.3,22
1997,22.3,21.6,25.6,25.6,27.1,27.5,26.5,26.9,26,26.4,25.2,24.6
1998,24.7,24,27,27.2,28.3,28,27.4,27.6,26.2,25.9,23.9,22.5
1999,22,23.8,25.6,25.9,25.9,26.6,26.2,27,26.2,25.3,22.9,20.3
2000,22.7,22.2,25.1,25.9,26.7,26.4,26.5,27.3,26,24.7,22.9,23.3
2001,23.6,23.4,24.7,27.8,27.4,26.6,26.6,27.1,26.3,26.1,22.4,22.4
2002,22.6,24.4,25.8,27,27.1,27.3,26.6,26.5,25.1,25.2,24.1,23.4
2003,22.3,24.2,25.4,27.7,28.2,27.4,27.1,27.2,26,25.7,24.4,22.2
2004,23.5,21.7,25.6,26.7,27.7,26.6,26.3,26.6,26.2,25.4,24.2,23.6
2005,22.7,24.3,24.2,26.6,26.9,27.3,26.7,26.8,26.9,23.1,24.3,21.2
2006,22.6,23.7,24.7,26.2,27,27.3,26.6,26.5,26.2,25.4,24.7,23.3
2007,21.7,24.1,25.9,26.4,26.2,25.9,26.8,26,25.7,24.7,22,23.5
2008,22.2,20.1,24.7,26.9,26.1,26.2,27,26.6,25.7,25.9,22.8,22
2009,20.9,24.7,25.1,25.8,26.9,26.7,26.9,27.3,26.5,25.3,23.3,24.1
