1901,21.3,23.4,22.8,23.2,23,23,22.5,22.2,22.5,22.9,23,22.2
1902,23.6,23.1,23.3,24,23.4,22.6,22.5,22.7,22.4,22.5,23,22.6
1903,22.5,23.7,23.8,23.5,23.4,23.1,22.4,22.1,22.2,22.6,23,23.1
1904,22.3,23.7,23.6,23.6,23.3,23.4,22.4,22.7,22.8,22.8,23.5,22.9
1905,21.8,22.9,22.7,23.4,23.4,22.5,22.4,22,21.9,23,22.8,21.9
1906,20.7,24.2,24.1,24.7,23.1,22.9,21.7,22,22,22.5,23,22.5
1907,23.2,23,23.1,23.4,23.9,22.5,23,22.2,22.4,23.2,22.8,22.4
1908,23.2,24.1,23.6,24.2,23,22.9,22.2,22,22.4,22.6,22.7,21.9
1909,21.9,24.1,24,23.6,22.9,21.8,21.6,21.3,22.5,22.5,22.4,22.2
1910,20.1,24.1,23.5,23.7,23.4,23.9,22.6,22.5,22.2,22.5,23,22.7
1911,22.3,23.6,23.7,23.7,23.2,22.2,22.5,22,22.5,22.7,22,21.6
1912,24.3,24.2,24,24.5,23.7,23.1,22.6,22.5,22.1,22.5,22.3,22.4
1913,24.3,24.8,22.7,23.4,23.8,24,23,23.2,22.8,22.7,22.4,22.2
1914,23.5,23.4,23.2,23.5,24.1,24.4,22.1,22.4,21.9,22.4,22.5,21.7
1915,21.9,23.2,23.8,23.3,23.3,22.6,22.4,22.2,22.7,23.2,23.1,22.8
1916,21.2,22.4,23.6,23.6,23.2,22.6,22.5,21.9,22,22.6,22.3,22
1917,22.8,23.7,23.1,23.3,22.5,22.1,22.5,22.2,21.6,22.1,21.8,21.9
1918,21,23.9,23,23.3,23.4,22.9,22.3,21.3,21.6,22.6,22.7,22.5
1919,22.5,23.9,23.3,23.5,23.2,22.4,21.8,22.1,22,22.5,23.7,22.7
1920,22,23.6,23.1,23.5,23.3,22.9,22.1,22.1,22.4,22.8,22.8,22.7
1921,23.4,23.7,23.5,23.2,22.9,22.3,22.2,22,22.1,22.9,22.9,21.9
1922,22.3,24,24.2,23.6,23.6,23.1,22.6,21.6,21.9,21.9,22.1,21.8
1923,22.7,22.8,23.1,22.4,22.5,22.6,23.5,21.6,22.3,22.5,22.6,22.2
1924,22.1,24.8,23.8,22,22.6,22,22.1,22,23.5,22.5,22.6,22
1925,19.8,22.6,22.6,23.7,23.3,22.1,21.9,21.9,22.4,22.1,23.9,22.2
1926,22.4,25.3,24.4,24.3,23.4,22.3,21.4,22.8,23.3,23.3,22.8,23.1
1927,20.5,23.8,22.9,23.5,22.6,22.1,22.4,21.6,23.2,22.4,22,21.3
1928,21.7,22.9,22.4,21.4,21.7,22.3,22,20.9,22,22,22.5,22.3
1929,20.6,21.8,22.1,23.4,23.1,22.2,22.5,21.4,22.1,22.1,22,21.9
1930,20.8,22.2,23.1,23.4,23.4,22.5,22,21.9,22.5,22.3,23.1,22.6
1931,23.4,23.3,23.9,23.6,23.2,23.2,22.7,22.1,21.9,22.6,22.7,22.7
1932,21.3,23.3,24.3,24.1,23.6,22.5,22.2,22,22.6,23.2,23.4,22.7
1933,23.3,23.3,23.9,23.8,22.9,22.6,22.1,22.1,22.8,22.7,23,23
1934,20.2,22.4,23.5,23.5,23.3,22.3,22.5,23.2,23.7,23.1,23.5,21.9
1935,21,22.6,23.6,24,22.5,21.9,21.6,21.8,22.1,22.1,22.1,22.7
1936,21.7,24.9,24.2,23.2,22.7,22.4,22.1,21.4,21.9,22.6,23.4,22.5
1937,21.3,23.2,23.7,24.4,23.9,23.4,22.2,22.5,22.2,22.6,23.7,22.5
1938,23,24.3,24,24.3,24,23.8,22.7,22.3,22.8,23.7,23.7,23.6
1939,23.1,23.3,24.2,24,23.6,23.2,22.4,22,22.7,23.6,23.8,23.4
1940,22.6,23.6,23,23.4,23.1,22.8,22.5,22.1,22.4,22.8,23,22
1941,23.3,24.2,24.5,23.7,23.9,23.7,22.8,23,23.6,23.6,23.3,23.2
1942,22.4,24.7,24.4,23.9,23.1,23,22.3,22.1,23.5,23.1,22.9,21.4
1943,22.2,23.5,23.5,23.4,22.7,22.6,22.2,22.1,22.9,23.1,22.5,22.4
1944,22.2,23.4,24,23.5,23.8,23,22.5,23,23.2,23.7,22.4,22.6
1945,22.9,23.2,23.8,23.5,23.5,22.9,23,22.9,23.8,22.9,22.6,21.9
1946,22.7,24.2,24.2,23.8,22.9,22.3,22.6,22,22.7,22.9,22.6,21.9
1947,21.6,24.6,23.6,23.6,23.8,23.2,22.5,23.3,23.1,22.5,21.6,22.2
1948,20.7,23.1,23.9,23.3,22.7,22.5,22.7,22.8,23.1,23,22.6,22.7
1949,22.6,23.6,24.3,23.8,23.7,23.1,23.3,22.8,23.5,23.2,22.7,22.6
1950,23,23.1,23.7,23.3,23.2,22.7,22.5,22.1,22.7,22.4,22.6,22.3
1951,21.6,24,23.2,23.9,23.4,23.1,21.9,22.3,22.2,21.9,22.1,21.9
1952,21.4,22.6,22.7,24.3,24.1,22.8,22.2,22.7,21.5,22,21.8,21.8
1953,22.6,22.6,23,24,23.4,22.9,22.2,22.9,21.7,22,22.3,21.6
1954,21.7,23,22.9,23.5,23.1,22.9,21.4,22.5,21.5,21.6,21.8,22.3
1955,21.9,23.2,22.7,23.1,22.8,22.7,22.1,21.9,21.6,22,22,21.4
1956,21.6,23.2,22.4,23.3,22.6,22.3,21.1,21.4,22.2,22.1,22.1,21.9
1957,21.1,23,23.5,23.3,23.1,22.5,21.8,21.9,22,21.9,22.5,22.4
1958,22.9,23.3,23.4,23.7,22.6,21.8,21.2,21.3,21.7,22.3,22.9,22.1
1959,22.9,23.5,23.5,23.5,22.8,22.9,22.4,21.8,22.7,22.9,23,22.3
1960,22.2,23,22.8,22.6,22.9,22.6,22.7,21.7,22.4,22.5,23,22.5
1961,21.8,23,23.2,22.6,23.4,22.9,21.8,21.2,21.5,22.4,22,21.5
1962,22.3,22.7,22.8,22.8,22.7,21.9,22.6,22.6,21.5,22.4,22.5,22.2
1963,22.2,23,22.9,23.4,22.7,22.5,22.3,23.3,22.8,22.4,22.4,22.3
1964,22.4,23.8,24,23.6,22.7,22.3,21.7,21.9,22,22.2,22.7,22.1
1965,23.2,23.4,23.4,22.3,22.1,22.9,22.1,21.7,22,22.8,22.9,22.7
1966,22.2,23.3,23.7,23.6,23.7,22.8,22.8,23.1,22.2,23.8,23,22.9
1967,21.6,23.8,23.3,23.7,23.1,23.1,21.6,22.4,22.1,23,22.9,22.8
1968,22.1,23.4,23.5,23.4,23.3,22.9,22.9,24,22.8,23.1,22.8,22.8
1969,22.8,24.2,23.2,24.2,24.2,23.3,22.5,22.8,22.4,22.6,22.8,23.4
1970,23.1,24.2,24,24.1,23.4,23.3,22.4,22.8,22.8,23.2,22.6,22.6
1971,21.6,23.3,22.9,23.6,22.9,22.6,21.9,21,21.9,22.5,22.4,21.3
1972,22,22.5,22.8,23.3,23.3,22.8,22.9,21.2,22.4,23,22.9,22.5
1973,22.8,24.2,23.6,23.9,23.5,22.9,22.4,22.4,22.5,22.9,22.7,22
1974,21.4,23.6,23.6,23.1,23.1,22.8,22.4,22.3,22.4,22.9,23.5,22.2
1975,21.1,23.4,23.5,23.1,23.5,22.8,22.2,21.9,21.7,22.8,22.9,22.5
1976,22,23.1,23.4,23.5,22.9,22.2,21.9,21.6,22.1,22.3,22.6,23
1977,23.4,24.2,24.2,23.9,23.8,22.7,22.8,21.4,22.5,23.1,22.9,22.1
1978,23.5,23.9,23.6,23.4,23.3,22.3,21.7,21.4,22.5,22.9,23.1,23.2
1979,24,24.4,24.2,23.9,23.3,22.6,22.9,22.4,23.1,23.2,23.1,23
1980,23.7,24.4,24.1,24.4,23,23.4,22.7,22.4,23.1,23.1,23,21.4
1981,22.4,24.2,23.8,24.1,23.2,23.1,22.3,22.3,22.1,22.6,22.6,23
1982,21.6,23.9,23.1,24,23.2,22.5,22.3,21.5,22.6,23,23.5,22.8
1983,21.3,23.8,24.3,23.8,23.7,22.4,22.8,22.3,22.7,23.6,23.7,23.2
1984,22.9,23.7,24.3,23.9,23.7,23.8,22.3,22.5,22.5,22.6,23.6,22.1
1985,22,23.1,23.8,23.5,23.8,23,22.4,22.5,21.9,22.5,23,21.8
1986,22.2,23.8,23.4,24.3,23.9,23.3,22.5,21.4,22.3,22.8,23.1,22.1
1987,23.9,23.7,24.2,24.7,24.2,23.5,23.5,23.4,23.4,23.2,24.2,22.6
1988,22.4,24,24.7,24.4,23.9,22.9,22.7,21.7,22.7,23,23,22.2
1989,21.2,24.1,23.4,23.7,23.5,23.3,23.3,22.2,22.4,22.7,23.6,23.1
1990,22.4,23.3,24.6,24.1,23.6,22.8,22.6,21.6,22.9,23.3,23,23
1991,23.1,24.3,24.8,23.1,23.6,24.1,23.2,22.6,23.2,23,23.5,23.4
1992,22.1,24.4,24.4,24.7,23.7,22.8,22.3,21.7,22.5,23,23.2,23.7
1993,22.6,23.2,23.5,24.1,24.4,23.3,22.8,21.8,22.9,23.9,24.1,23.8
1994,23,24.4,24.5,24.1,23.4,23.2,22.9,22.5,23,23.4,23.7,23.5
1995,22.4,24.7,24.3,24.2,24.3,23.9,23.5,22.9,23.2,23.4,24,23.4
1996,24.6,24.8,24.6,24.8,24.4,23.9,23,22.7,22.9,23.7,23.8,22.9
1997,23.4,24.2,24.4,24,23.5,23.3,22.6,21.6,23.2,24,23.9,23.9
1998,23.2,25.8,25.8,25.4,24.5,23.6,23.3,22.3,23,23.8,23.8,23.2
1999,23.1,23.5,23.9,24.2,24.1,23.5,23.4,23.3,23,23.4,23.8,23.2
2000,22.7,23.3,24.8,22.8,24.3,23.3,22.9,23.2,23.3,23.8,23.4,23.3
2001,22.1,23.8,24,24.1,23.2,23.6,22.4,22.5,22.8,23.4,24,22.6
2002,23,23.1,23.9,24.2,24.4,23.4,22.8,22.5,22.6,22.8,23,22.6
2003,22.6,24.7,23.9,24,24.3,23.4,22,22.7,23.2,23.9,23.8,23.6
2004,24.2,24.3,25.4,24.3,24.1,23.4,23,22.5,22.8,23.7,23.9,24.6
2005,22.4,25.2,24.4,24.8,24,24,22.8,22.3,23.5,23.9,24.2,24
2006,22.2,24.7,24.4,25,23.6,24.1,23.2,22.7,23.4,24.2,22.8,22.7
2007,21.8,24.3,25.1,23.8,24.4,23.2,23.4,22.6,23.6,23.1,23.2,23.2
2008,20.9,22.6,23.3,24.2,23.9,23,22.7,22.3,22.8,23.1,23,23
2009,22.5,24.5,23.8,23.9,24.2,23.7,23,22.8,22.7,23.1,24.3,22.9
