1901,21.2,23.5,25.7,26.2,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1902,21.4,23.3,25.8,26.2,24.8,23.5,22.1,22,22.7,23.5,22.6,21.5
1903,21.5,23.6,26,26.2,24.8,23.4,22.1,21.9,22.7,23.5,22.6,21.5
1904,21.4,23.5,25.8,26.2,24.7,23.4,22.1,21.8,22.7,23.5,22.6,21.5
1905,20.8,22.4,25.4,26.1,24.9,23.1,22.1,21.7,22.7,23.4,23.2,22
1906,20.8,23.6,26.2,27.5,24.9,23.8,22,21.7,23.4,23.9,23,22.2
1907,21.3,22.8,25.7,26.2,25.4,23.5,22.2,22,22.9,24.3,22.7,20.9
1908,21.2,23.2,25.7,26.6,25.5,23.8,22.4,21.5,22.8,23.4,22.2,21.1
1909,21.3,24,27,26.4,24.6,22.9,21.6,21.3,22.7,22.9,22.7,21.5
1910,20.8,23.8,25.6,26.2,25,24.4,22.5,22,23.1,23.4,22.6,21.5
1911,21.1,23.4,26.1,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.9,21.2
1912,21.6,23.6,25.9,26.9,25.1,23.8,22.5,22.3,23.2,23.5,22.4,21.5
1913,21.5,23.6,25,26,25.2,24.3,23,22.8,23.8,23.5,22.6,21.5
1914,22.5,23.4,25.6,26.2,25.6,24.3,22.8,22.1,23.2,24,23.7,21.7
1915,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1916,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1917,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1918,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1919,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1920,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1921,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1922,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1923,23.2,23.4,26.8,26.4,25.3,23.8,21.6,20.8,22.8,24.1,23.8,22.7
1924,22.2,26.4,27.7,27,25.4,23.5,20.9,20.7,21.2,23.6,22.6,21
1925,18.3,22,26.4,26.2,24.5,22.9,22,20.9,22.6,22.7,23.6,21.9
1926,22.4,23.5,25.4,25.3,24.4,23.3,22.8,23,24.4,25,24.3,22.9
1927,21.9,24.6,25.8,26,26,23.8,22.2,21.1,24.3,24.2,23.5,23
1928,22.2,21.8,26.8,25.9,24.2,22.7,22.2,20.4,23,23.8,23.1,21
1929,20.3,23.9,25.8,25.8,25.2,22,20.4,20.1,21.6,23.2,23.2,19.4
1930,20.6,24.5,26,26.5,25,23.4,21.8,22.2,23.3,24.8,23.9,24.4
1931,22.2,25.4,27.1,28.4,25.8,23.8,22.3,22,22.4,25,24.6,24
1932,21.4,24.9,28.4,27.8,25.5,24,22,22.3,22.9,24.7,24.2,22.3
1933,22.3,24.3,26.2,27.1,24.6,22.7,21.7,21.6,22.7,23.3,24.8,22.8
1934,21.5,23.5,27,27.3,25.1,23.8,22.6,21.7,23.7,25.4,25.1,22.4
1935,23.4,25,28.4,27,26,23,22.6,21.5,22.9,23.3,24.5,23.2
1936,21.1,25.5,28.6,26.6,25.1,23.3,21,20.2,21.9,24,24.5,21.6
1937,21.2,24,27,26.4,24.9,24.1,21.9,22,23.1,25.3,24.1,23
1938,22.2,24.6,26.5,27.9,26.7,25.1,22.7,21.5,22.9,24.5,25.3,21.1
1939,22.8,25.3,27.6,25.4,25.1,23.6,22.5,22.2,22.7,24.7,23.8,23.7
1940,21.4,23.6,26,26.3,24.8,23.5,22.1,21.9,22.7,23.5,22.6,21.5
1941,24.5,24.5,28,27.9,26,24.4,21.9,22.7,23.6,24.3,23.5,22.7
1942,23.9,26,26.6,27.1,24.2,24.4,22.7,21.1,23.7,24.5,23.9,22.8
1943,22.4,23.9,26.2,26.2,24,23.3,22.1,21.1,22,24,24.6,22.8
1944,20.2,23.5,26,25.9,24.5,24.4,22.9,21.3,22.6,24,23.3,23.3
1945,23.4,22.3,24.9,25.9,24,24.4,22.5,20.7,22.6,23.6,23.3,20.8
1946,23.3,23.4,26.4,27,24.9,22.9,21.6,20.6,21.6,23.2,23.7,21.9
1947,21.8,26.7,25.6,26.4,24.8,23.6,22,21.8,22.5,23.9,22.5,22.5
1948,21.7,23.5,24.4,26.2,24.5,22.7,21.8,21.3,22.7,23.2,22.2,21.3
1949,22,23.4,26.9,26.7,25,24.2,22.5,21.7,23.4,23.9,23.5,20.2
1950,22.4,22.2,24.9,26,24.6,24.4,21.3,20.3,21.5,22.9,22.3,22.2
1951,21.5,22.9,26.2,26.1,24.4,23.6,21.6,21.3,21.6,23.4,22.2,20.8
1952,22,22.7,25.7,26.4,24.6,23.5,21.6,20.3,21.5,22.5,22.1,21.4
1953,22.3,24.1,26.8,25.2,22.9,22.7,20.8,21,22.5,23.2,22.6,20.5
1954,22,24.7,26.8,27,23.9,23,21.4,20.3,22,22.8,23.2,21.7
1955,21.9,23.5,26.3,26,24,22.7,21.5,21,21.7,22.8,22.4,20.9
1956,20.9,24.8,27.3,26,24.6,23.4,21.1,20.1,21.7,22.1,22.9,21.2
1957,21,22.1,25.3,26.5,24,23,21.1,21.6,22.2,23.1,24.3,22.5
1958,22.8,22.7,26.4,27.2,24.6,22.7,21,21.2,22.1,23.1,24,22.5
1959,21.6,23.2,26.3,26.7,24.3,23.6,22.3,20.9,22.4,23.8,22.8,21.8
1960,21.4,23.6,25.8,26.6,24.1,23.5,21.3,22.2,22.7,23.7,22.5,23.7
1961,21.9,22,24.3,26.4,24.4,23.5,21,23,22.5,23.6,21.9,19.8
1962,20.3,24.1,26.8,26.6,24.3,22.7,21.9,21.1,22.5,23.7,24.6,22.8
1963,22.6,25.7,25.3,26.3,24.9,24,22.5,21.9,23.5,23.4,22,22.1
1964,22.1,23.2,26.9,27.3,24.8,22.9,21.5,20.5,22.1,23.3,22,21.6
1965,22.8,23.9,25.3,25.9,25.3,23.1,22,21.3,23.1,23,22,21.4
1966,22,22.8,25.8,26.3,23.9,23,22.8,22,21.9,23.1,22.4,21.5
1967,20.4,23.9,25.4,26.8,24.7,23.2,21.5,21.3,21.9,22.6,21.9,22.8
1968,20.6,23.4,25.8,25.1,23.6,22.6,21.4,22.6,23.3,24.1,22.4,22.2
1969,21.2,24.8,27.4,27.3,25,23.8,21.9,22.2,22.7,23.5,22.3,22.8
1970,22.3,23.2,25.7,26.5,24.4,24.1,22.3,21.8,22.2,22.8,22.2,21
1971,20.7,23.9,28.2,26,24.7,23.3,22.2,21,21.9,22.8,22.1,20.7
1972,21.6,24.1,26.4,26,24.6,22.4,23.3,23.6,23.3,24,21.9,22
1973,22.9,24.7,25.9,26.8,24.7,24,22.8,22.1,23.1,23.9,21.6,22.3
1974,20.6,23.1,25.9,26.5,24.2,23.7,21.1,21.4,21.8,22.7,22.1,19.9
1975,19.6,22.5,25.9,26,24.4,22.9,21.7,20.9,22.1,23,22.8,21
1976,21.1,23.6,25.3,25.7,24.8,22.8,21.8,21.4,22.3,23.3,22.5,21.9
1977,21.8,22.6,24.8,26.3,25,23.4,22.7,21.2,23,23.2,22.1,20.3
1978,21.5,24.2,26.4,25.6,24.8,22.7,21.1,21.6,22.7,23.5,22.4,21.6
1979,22.3,24.3,26.7,25.8,24.9,22.9,22.2,21.7,23,23.9,23.8,20.8
1980,22.7,24,26.3,26.6,24.8,23,21.7,21.7,23.3,23.9,23.4,20.5
1981,19.6,23.8,26.3,26.5,24.5,23.6,21.3,22.3,22.9,23.5,22,21.8
1982,21.7,22.8,25.7,26.8,25.1,23.9,22,21.5,22.8,23.7,21.5,21.4
1983,18.9,24.5,24.7,26.5,26,23.8,22.5,22.7,23.1,24.1,22.7,21.9
1984,20.7,24,26.5,26.7,25,24,22.6,23.5,23,24.3,23,20.7
1985,22.9,22.7,26.6,25,24.8,23.9,21.8,21.9,22.9,24.1,23,20.8
1986,20.9,25,26.7,27.2,25.1,24,21.3,21.9,22.5,23.6,23.1,20.5
1987,22,24.6,26.2,25.3,25.7,24.5,23.8,22.9,23.6,24.1,23.4,21.9
1988,21.6,24,26.6,27,25.5,24.5,22,21.4,22.5,23.4,22.8,20.8
1989,19.6,21.7,25,25.5,24.3,24,22.3,22,22.8,23,23,21.2
1990,22.8,22.5,24.7,27.1,25.6,24.7,21.9,22.4,23.3,24.1,24.2,23.6
1991,21.6,25.3,26.3,26.9,23.8,24.3,22,21.8,23.7,23.7,22.4,21.6
1992,20.5,22.8,26.7,26.9,24.3,23.3,21.7,21.6,22.4,23.5,22.5,21.4
1993,20,23.3,26.4,26.5,25.6,23.9,22.4,22,23,24.2,24.1,21.7
1994,21.6,23.1,26.6,26.8,25.1,23.4,21.8,21.3,22.1,23.7,22.6,20.5
1995,20.9,22.5,26.3,26.8,25.4,23.5,23.1,22.4,22.8,24.1,22.8,22.7
1996,23,25.2,27.6,26.2,24.6,23.3,23,22.1,22.5,23.5,21.9,21.7
1997,22.6,22,25.8,25.7,24.2,23.6,22.5,22.7,23.7,24.6,24.2,21.7
1998,21.9,25,26.2,27.8,26.1,24.3,23.5,21.9,22.7,24.3,24.1,22.6
1999,22,24.8,27.5,26.6,24.8,24.2,22.1,21.6,22.2,22.4,23.8,21.6
2000,21.4,21.8,25.8,26.7,25.8,23.3,22.3,22.2,22.4,23.2,23.3,21.2
2001,21,23.1,25.9,26.3,24.9,23.4,22.4,21.4,22.3,22.8,24.6,22.8
2002,21.1,23.3,26.3,26.9,25.2,24,22.7,22.4,22.9,23.5,23.6,22.1
2003,22.2,25.9,25.7,27.1,25.1,23.1,22.6,21.8,22.5,24.5,24,21.6
2004,22.3,23.4,26,26.8,24.8,23.9,22,22.4,23.6,24.5,23.4,22.8
2005,21.7,25.4,28.3,27.2,25.2,23,22.2,22.1,23.5,23.8,23.4,23.1
2006,22.8,25.1,26.6,26.3,25.5,24.8,23.1,22.3,22.7,24,22.9,20.3
2007,20.8,24.3,26.4,27.1,25.5,23.7,22.8,22,22.7,24.6,24.3,22.7
2008,20.8,22.7,26.6,26.3,25,23.8,22,22.1,23.2,24.1,23.2,23
2009,23.2,25.5,26.8,27.5,26.1,24.1,22.9,22.8,23.7,24.5,23.6,22.8
