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