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