1901,21.3,23.3,22.7,23.1,22.9,22.8,22.6,22.2,22.5,22.8,22.8,22
1902,23.5,23,23.1,23.9,23.3,22.4,22.6,22.8,22.3,22.3,22.7,22.5
1903,22.5,23.6,23.7,23.4,23.2,23,22.5,22.1,22.1,22.4,22.8,23.1
1904,22.2,23.5,23.4,23.5,23.2,23.4,22.6,22.7,22.8,22.7,23.3,22.8
1905,21.7,22.8,22.4,23.2,23.2,22.4,22.6,21.9,21.9,22.9,22.7,21.9
1906,20.6,24,23.9,24.6,22.9,22.8,21.8,22,22.1,22.5,22.8,22.5
1907,23.3,22.9,22.8,23.3,23.9,22.5,23.2,22.2,22.4,23.2,22.5,22.2
1908,23.2,24,23.5,24.2,23,22.9,22.4,22,22.4,22.5,22.5,21.7
1909,21.9,24,23.9,23.5,22.7,21.7,21.7,21.2,22.4,22.3,22.2,22.1
1910,20,24,23.4,23.6,23.3,23.8,22.7,22.7,22.2,22.4,22.8,22.5
1911,22.2,23.5,23.6,23.6,23.1,22.2,22.7,22.2,22.4,22.4,21.9,21.6
1912,24.3,24.1,23.8,24.5,23.6,23,22.8,22.5,22.2,22.4,22.2,22.3
1913,24.4,24.6,22.5,23.3,23.7,23.9,23.3,23.3,22.9,22.6,22.1,22.1
1914,23.6,23.2,23,23.3,24.1,24.4,22.3,22.4,22,22.3,22.4,21.7
1915,21.9,23.1,23.7,23.2,23.1,22.5,22.6,22.2,22.6,23,22.9,22.8
1916,21.1,22.2,23.4,23.5,23.1,22.5,22.8,21.9,22,22.3,22.1,22
1917,22.7,23.6,23,23.1,22.3,22,22.7,22.2,21.6,22,21.6,21.7
1918,20.9,23.7,22.8,23.2,23.4,22.8,22.6,21.3,21.6,22.5,22.5,22.4
1919,22.5,23.8,23.1,23.4,23.1,22.4,22,22.2,22.1,22.3,23.5,22.5
1920,22,23.5,23,23.5,23.2,22.8,22.3,22.2,22.4,22.7,22.6,22.7
1921,23.4,23.6,23.2,23.1,22.9,22.3,22.3,22.1,22.1,22.8,22.7,21.8
1922,22.2,23.9,24.1,23.5,23.5,22.9,22.8,21.7,21.9,21.7,21.9,21.8
1923,22.7,22.7,23,22.3,22.3,22.5,23.6,21.6,22.3,22.5,22.3,22.2
1924,21.8,24.1,23.3,22,22.7,22.1,22.3,22,23.2,22.4,22,21.8
1925,19.8,22.6,22.4,23.3,22.9,22,21.8,21.8,22.3,21.9,23.6,22.1
1926,22.4,25.1,24,24,23.1,22,21.5,22.8,23.2,23,22.5,23
1927,20.3,23.7,22.6,23.4,22.4,22.2,22.3,21.6,23.1,22,21.8,21.2
1928,21.6,22.8,22.3,21.3,21.7,22.2,22.2,20.9,22,22,22.3,22.1
1929,20.5,21.7,21.9,22.9,22.9,22.2,22.9,21.5,22.3,21.8,21.5,21.6
1930,21.1,22.5,23.1,23.3,23.2,22.3,22.3,22.1,22.6,21.9,23.2,22.8
1931,23.5,23.2,23.6,23.5,23.1,23.2,22.8,22.3,21.9,22.4,22.5,22.8
1932,21.2,23.2,24.1,24.1,23.4,22.4,22.4,22.2,22.8,23,23.2,22.8
1933,23.4,23.2,24,23.8,22.7,22.6,22.3,22.1,22.8,22.5,22.8,22.9
1934,20.2,22.3,23.4,23.4,23.1,22.2,22.7,23.1,23.5,22.8,23.3,21.8
1935,20.9,22.6,23.6,24,22.3,21.7,21.7,21.8,21.9,22,21.8,22.5
1936,21.6,24.2,24.1,23,22.4,22.3,22.1,21.3,21.8,22.2,22.8,22.2
1937,21.2,23,23.7,24.3,23.9,23.3,22.4,22.6,22.2,22.6,23.6,22.4
1938,23,24.3,24,24.3,24,23.8,23,22.3,22.8,23.6,23.5,23.6
1939,23.2,23.1,24.2,24,23.6,23.1,22.6,22,22.7,23.6,23.7,23.4
1940,22.6,23.5,22.8,23.2,23,22.7,22.5,22.1,22.4,22.7,22.8,21.9
1941,23.3,24.1,24.3,23.6,23.9,23.7,22.9,22.9,23.5,23.5,23.1,23.2
1942,22.4,24.5,24.3,23.8,23,23,22.5,22.1,23.4,23,22.8,21.4
1943,22.1,23.3,23.5,23.4,22.6,22.4,22.4,22.2,22.9,23,22.4,22.5
1944,22.2,23.3,23.8,23.3,23.7,22.9,22.7,23,23.2,23.6,22.2,22.6
1945,22.9,23.1,23.6,23.3,23.4,22.8,23.2,22.8,23.8,22.8,22.3,21.8
1946,22.7,24,24.1,23.7,22.8,22.3,22.8,22.1,22.6,22.7,22.4,21.8
1947,21.6,24.6,23.4,23.5,23.8,23.2,22.8,23.2,23,22.3,21.5,22.1
1948,20.7,23.1,23.7,23.2,22.6,22.4,22.8,22.9,23.1,22.9,22.4,22.7
1949,22.6,23.5,24.1,23.7,23.7,23.1,23.4,22.9,23.4,23,22.6,22.6
1950,23,22.8,23.5,23.2,23.1,22.8,22.6,22.2,22.7,22.3,22.4,22.2
1951,21.7,23.8,23.2,23.7,23.3,23,22,22.3,22.3,21.9,21.9,21.9
1952,21.5,22.4,22.6,24.2,23.9,22.6,22.5,22.6,21.5,21.9,21.6,21.9
1953,22.7,22.6,22.8,23.8,23.2,22.8,22.4,22.8,21.8,21.8,22,21.6
1954,21.7,23,22.7,23.3,22.8,22.8,21.6,22.3,21.5,21.5,21.6,22.3
1955,22,23.2,22.6,23,22.7,22.6,22.2,21.9,21.7,21.9,21.8,21.3
1956,21.6,23.1,22.3,23.1,22.5,22.2,21.3,21.5,22.2,22.1,22,21.9
1957,21.2,22.9,23.3,23.2,23,22.5,21.9,22,22.1,21.8,22.3,22.4
1958,22.9,23.1,23.2,23.4,22.5,21.9,21.2,21.3,21.8,22.1,22.7,22.2
1959,22.9,23.4,23.4,23.4,22.6,22.7,22.5,21.9,22.7,22.6,22.8,22.3
1960,22.3,22.9,22.7,22.5,22.7,22.5,22.7,21.8,22.5,22.3,22.7,22.5
1961,22,22.8,23.1,22.5,23.3,22.8,22,21.3,21.5,22.1,21.8,21.5
1962,22.3,22.6,22.7,22.7,22.6,21.9,22.7,22.6,21.6,22.3,22.3,22.1
1963,22.3,23,22.7,23.3,22.7,22.4,22.5,23.2,22.8,22.2,22.2,22.3
1964,22.4,23.6,23.7,23.5,22.6,22.2,21.7,21.8,21.9,22.1,22.4,22.1
1965,23,23.2,23.2,22.1,22.1,22.7,22.2,21.7,22,22.8,22.7,22.6
1966,22.3,23.3,23.5,23.5,23.6,22.8,23,23.1,22.2,23.6,22.7,22.9
1967,21.6,23.7,23.2,23.7,23,22.9,21.9,22.6,22.1,22.9,22.7,22.8
1968,22.2,23.4,23.3,23.3,23.2,22.8,23,24.1,22.7,22.9,22.6,22.8
1969,22.8,24,23.1,24.1,24,23.2,22.7,22.8,22.5,22.5,22.6,23.4
1970,23.2,24.1,23.8,24,23.3,23.3,22.6,22.7,22.7,23,22.3,22.4
1971,21.7,23,22.8,23.5,22.8,22.5,22.1,21,21.9,22.3,22.3,21.2
1972,22.1,22.5,22.6,23.2,23.2,22.6,23.1,21.3,22.5,22.9,22.8,22.4
1973,22.9,24.1,23.4,23.8,23.4,22.8,22.5,22.5,22.5,22.8,22.5,21.9
1974,21.4,23.4,23.4,23,23,22.5,22.4,22.2,22.3,22.6,23.2,22.2
1975,21,23.2,23.3,23,23.4,22.7,22.3,21.8,21.6,22.6,22.7,22.4
1976,21.9,22.9,23.2,23.3,22.8,22.1,22,21.6,22.1,22.3,22.4,22.9
1977,23.4,24.1,24,24,23.7,22.8,22.9,21.5,22.5,23,22.7,22.1
1978,23.5,23.8,23.4,23.1,23.1,22.2,21.8,21.4,22.5,22.8,22.8,23.2
1979,24,24.2,24,23.9,23.2,22.5,23,22.4,23,23.1,22.9,22.8
1980,23.7,24.3,23.8,24.3,22.9,23.5,22.8,22.4,23,23,22.8,21.2
1981,22.4,24.1,23.7,24,23.2,23,22.5,22.3,22.2,22.6,22.3,23.1
1982,21.6,23.8,23,23.9,23.1,22.6,22.5,21.7,22.6,22.8,23.2,22.8
1983,21.3,23.6,24.2,23.8,23.7,22.4,22.9,22.2,22.7,23.4,23.4,23.2
1984,22.9,23.6,24.1,23.8,23.6,23.6,22.5,22.6,22.6,22.4,23.3,22.1
1985,22,23.1,23.7,23.4,23.6,23,22.6,22.6,21.9,22.3,22.9,21.7
1986,22.2,23.7,23.2,24.2,23.8,23.2,22.5,21.4,22.3,22.7,22.9,22
1987,24,23.7,24,24.7,24.2,23.5,23.6,23.5,23.4,23.1,24,22.5
1988,22.3,23.9,24.6,24.3,23.8,22.9,22.8,21.8,22.8,22.9,22.8,22.2
1989,21.1,23.9,23.3,23.6,23.4,23.2,23.3,22.3,22.4,22.5,23.4,23.1
1990,22.5,23.2,24.5,24,23.5,23,22.7,21.8,22.8,23.2,22.8,23
1991,23.2,24.2,24.6,23,23.5,24,23.2,22.5,23.1,22.8,23.3,23.4
1992,22.1,24.2,24.2,24.6,23.6,22.7,22.5,21.8,22.4,22.9,22.9,23.7
1993,22.6,23.2,23.3,24,24.2,23.2,22.8,21.9,22.9,23.7,23.8,23.7
1994,23.1,24.2,24.2,24.1,23.3,23.2,23,22.5,23,23.1,23.5,23.3
1995,22.3,24.5,24.1,24.1,24.1,23.8,23.5,22.9,23.1,23.3,23.7,23.3
1996,24.3,24.7,24.5,24.7,24.3,23.8,23.1,22.7,22.7,23.5,23.6,22.9
1997,23.3,24,24.2,23.9,23.4,23.3,22.6,21.6,23.1,23.7,23.7,23.8
1998,23.1,25.6,25.6,25.3,24.4,23.6,23.4,22.3,23,23.5,23.6,23.1
1999,23.2,23.4,23.7,24.1,24,23.5,23.5,23.3,22.9,23.1,23.6,23.1
2000,22.7,23.1,24.5,22.8,24.2,23.3,22.9,23,23.3,23.5,23.2,23.4
2001,22.4,23.7,23.8,24.1,23.1,23.6,22.7,22.4,22.8,23.2,23.8,22.7
2002,23,23.1,23.9,24.1,24.3,23.4,23,22.6,22.5,22.8,22.9,22.5
2003,22.8,24.6,23.9,23.9,24.2,23.3,22.1,22.7,23.2,23.8,23.7,23.6
2004,24.2,24.2,25.2,24.4,24,23.4,23.2,22.6,22.8,23.5,23.8,24.6
2005,22.4,25.1,24.1,24.7,24,23.9,22.8,22.3,23.5,23.7,24.1,24
2006,22.1,24.8,24.2,24.8,23.5,23.9,23.4,22.8,23.3,24,22.7,22.8
2007,21.9,24.1,24.8,23.7,24.2,23.2,23.6,22.6,23.5,23,23.1,23
2008,21,22.6,23.3,24.1,23.7,23,23,22.4,22.9,23,22.9,23.1
2009,22.7,24.4,23.8,23.9,24.1,23.7,23.1,22.9,22.8,23,24.1,23.1
