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