1901,22.3,21.2,22.3,23.7,24.3,23.7,23.3,22.8,23.3,23.1,22.7,22
1902,22.4,20.2,22.4,23.5,24.2,23.7,23,23,22.5,22.9,22.5,22.6
1903,22.2,20.8,21.7,23.4,24.1,23.6,22.8,23.1,22.1,23.3,22.8,22.3
1904,21.8,21.2,21.5,22.1,22.7,22.4,23.1,22.3,21.7,21.9,21.4,20.8
1905,20.8,19.9,22,23.6,23.4,22.9,22.3,22.3,22.2,22.2,21.4,22
1906,21.8,21.4,22,24.2,24.6,22.8,22.8,22.8,22.5,22.6,22.1,21.8
1907,20.7,20.5,21.3,22.5,23.6,22.9,22.3,22.4,22.5,22.2,22.1,21.8
1908,22.3,21.4,21.7,22.6,22.8,21.9,22.2,22.7,22.2,22.4,21.8,21.7
1909,21.3,20.8,21.2,23.1,23,22.6,22.2,22.8,22.1,22.9,22.3,21.3
1910,21.4,21.6,21.9,22.6,23.3,22.2,22.3,22.5,21.8,21.8,21.9,21.4
1911,21.7,20.8,20.8,22.3,22.3,22.1,22.8,22.8,22.3,21.8,21.1,21.3
1912,20.8,20.8,21.6,22.8,23.8,23.4,21.7,22.5,22.6,22.2,21.8,21.3
1913,21.5,20.5,21.9,21.9,22.7,22.4,22.5,22.1,22.9,22.2,21.1,21.7
1914,20.5,20.1,21.8,23,23.5,22.9,22.9,23.1,22.2,21.5,21.9,21.7
1915,21.7,20.7,22.1,23.2,24.3,23.3,23.1,23.2,22.3,22.6,22.4,22.4
1916,21.8,21.3,22,22.3,22.1,22.4,22.1,22.9,22,22,21.7,21.7
1917,21.4,20.4,21.4,23,22.6,22.2,22.3,22.6,21.8,21.9,21.9,21.8
1918,20.2,20,20.8,22.2,23,21.9,23.2,22.2,22.5,22.7,21.2,20.9
1919,20.8,20.7,21.6,23.6,24,23,22.6,23.1,22.2,22.2,22.1,22
1920,21.5,20.7,21.8,23.2,23.6,23.2,23.4,23,22.7,22.2,22.3,21.5
1921,21.3,21.6,22.3,22.8,23.2,22.7,22.6,23,22.2,21.8,22.4,21.2
1922,21.4,20.6,21.9,23.2,23,22.9,22.5,23,22.8,22.2,22.5,22.1
1923,21.5,21.1,21,22.5,23,22.8,22.6,22.8,22.4,21.9,22.3,21.5
1924,20.9,21.3,21.9,23.2,23.8,23.1,23,23.4,22.3,22.7,21.9,21.6
1925,22,21.8,22,23.2,23.5,22.9,23.1,22.9,22.6,22,21.8,21
1926,21.2,21.3,21.5,24.2,24.5,23.8,23,22.9,22.8,23,22.4,21.6
1927,21.5,21.4,22.7,23.4,24.1,23.2,23.1,23.1,22.9,22.6,22.3,22.1
1928,22.2,21.6,22.6,23.6,24,23.3,23.2,23.9,23.1,22.8,22.8,22
1929,20.8,21.3,21.8,23.2,23.7,23.6,23,22.9,22.9,22.5,21.9,21
1930,21.6,20.4,22,23.1,23.8,23.1,24,23.3,23.3,23.2,22.6,22.7
1931,22.8,21.9,23.5,23.8,24.8,24.6,23.4,23.7,23.2,23.5,22.5,22
1932,21.3,21.2,22.1,23.4,23.7,23.4,23.1,23.3,23,23.3,22.8,22.6
1933,22.1,22.1,22.6,23.8,24.6,23.6,23.3,23.3,23,22.7,22.3,22.1
1934,22.3,21.1,22.6,23.6,23.7,23.2,23.4,22.9,23.1,23.2,23.2,22.2
1935,21.3,22,22.8,23.8,23.8,23.6,23.4,23.8,23.1,23.3,23.1,22.3
1936,22.4,22.6,22.7,24.2,24.7,23.7,23.4,23.1,23.1,23.7,22.6,23.4
1937,22.9,22.2,23,24.1,24,24.1,23.6,23.7,22.7,22.6,23,23
1938,22.4,22.2,23.3,23.6,23.8,23.1,23.1,23.8,23.2,23.1,22.8,22.9
1939,22,21.5,22.3,23.7,23.4,23.4,23.8,23.9,23.3,23.4,23.3,22
1940,21.5,20.6,22.6,23.9,24.6,23.6,23,22.9,22.9,23,22.9,22
1941,22.1,21.6,22.2,23,23.8,23.3,22.9,23.5,22.6,22.7,22.5,22.3
1942,21.4,21.5,22.5,23.2,23.6,23.2,22.5,22.9,22.4,22.5,22.2,21.7
1943,21,20.9,21.9,22.5,23.2,22.9,22.6,22.8,22.7,22.5,22.2,21.8
1944,21.4,21,21.6,22.9,23.5,23.1,22.8,22.9,22.7,22.6,22.5,21.6
1945,21.2,21,21.8,23.1,23.7,23.2,23,22.6,22.8,22.5,22,22
1946,21.9,20.5,22.1,22.4,22.9,22.9,23.7,22.9,22.8,22.8,22.8,23.3
1947,22.8,21.9,23.4,24.2,24.2,23.8,23.4,23.2,23.2,23.1,22.3,22.5
1948,21.3,21.3,21.6,23.3,23.8,23.4,22.9,22.9,22.2,22.8,21.5,22.1
1949,21,21.3,22.2,23,23.4,22.7,23.2,23.2,23,23.3,22.2,22.6
1950,22.6,22,22.8,22.9,24,24.2,23.8,23.6,23.2,23.1,22.6,21.7
1951,21.1,20.9,20.6,22.6,22.9,22.8,22.8,23.1,22.4,22.5,22.3,21.9
1952,21.4,21.1,21.2,22.7,23.2,23,23.1,22.5,22.3,22.3,22,21.6
1953,20.8,21.1,21.5,22.7,23.5,22.8,22.6,22.8,22.3,22.3,21.9,21.4
1954,20.5,20.6,21.1,21.9,22.7,22.8,22.4,22.6,22.2,22.3,21.3,21.2
1955,21,20.3,20.1,22.3,23.1,22.7,22.5,22.5,22.3,22.2,21.9,20.3
1956,20.9,20.8,21,22.3,22.3,22.2,22.3,22.5,21.9,22.1,21.8,21.5
1957,20.9,19.9,21.4,22.2,22.3,22.7,22.7,23,22.4,22.4,21.4,21.5
1958,21.7,21.3,21.5,21.6,23,22.6,22.5,22.9,22,22.5,21.5,20.4
1959,20.5,20.4,21.4,21.7,22.6,22.6,22.2,22.2,22.1,21.8,22.1,21.5
1960,21.5,21.6,21,22.3,23,22.7,22.9,22.9,22.2,22,21.8,21.2
1961,20,20.9,21.6,22.3,23.3,22.6,22.4,22.4,22.1,21.5,21.3,21.5
1962,20.7,19.7,21.1,22.2,23.1,22.4,22.5,22.3,22,22.3,21.5,20.8
1963,20.2,19.3,20.8,21.9,23.5,22.2,22.7,22.6,22.5,22.1,21.7,21.7
1964,21.7,21.3,21.8,22.9,23,22.4,22.4,22.3,23,22.6,22.1,21.2
1965,20.1,20.3,21.2,21.9,22.6,22.2,21.9,22.3,21.9,22.4,22.3,21.6
1966,20.7,20.6,21.4,22.2,23.1,23.1,22.9,22.6,22.3,22.1,21.9,21.9
1967,20.5,20.2,20.8,22,22.9,22.4,21.6,22.1,21.8,21.9,21.4,20.5
1968,19.9,19.4,21,21.3,22.9,22.7,23,23.2,22.5,21.6,21,20.7
1969,20.4,19.7,21.4,22.4,23.1,22.8,22.9,23.1,22.7,22.2,21.6,22.2
1970,21.6,20.8,22.1,23.8,24.3,23.5,23.5,23.1,22.9,22.9,22.9,22.5
1971,20.5,21.4,21.8,22.5,23.7,23.2,22.6,22.6,21.8,21.9,22,21.6
1972,20.8,20.9,21.4,22.8,23.4,22.8,22.8,22.7,22.9,23,22.5,21.9
1973,21.9,22,22.3,23.8,24.5,23.9,23.6,23,23,22.4,21.7,22.1
1974,21.2,21.6,21.8,23.4,23.9,23.7,23.1,23.3,23.1,22.3,22.1,22
1975,21.4,21.3,22,22.9,23.4,22.6,23.5,22.6,21.9,22.3,21.7,21.6
1976,21.3,20.9,21.8,22.4,22.5,22.8,22.6,23.6,21.7,22.5,22.5,22.1
1977,22.2,21.8,21.4,23.6,24.2,23.8,23.2,22.9,22.8,23.4,22.6,20.8
1978,21.1,21.2,22.4,23.4,23.9,23.7,23.3,23.3,22.5,22.3,22.4,22.9
1979,21.8,22.3,22.7,23.7,22.7,22.9,23.3,23.3,22.8,22,22.5,21.1
1980,21.4,20.9,22.4,23.4,23.9,23.9,23.8,23.7,23.3,23.4,22.8,22.7
1981,19.7,20.3,20.8,22.8,23.9,23.1,22.9,23.2,22.9,21.6,21.6,21.7
1982,21.2,21.4,21.4,22.6,23.1,22.6,22.2,22.3,22.2,22.6,22.8,22.9
1983,22,20.8,22.3,22.7,24,24.3,23.1,23.6,23.3,23.4,22.8,22.3
1984,22.4,22.2,23.5,23.6,22.9,22.9,23.1,23.1,23.3,22.7,22.7,22.7
1985,21.3,23.1,23.3,23.6,24.1,23,22.9,23,22.9,23.4,23.6,22.9
1986,22.4,22.5,22.9,23.6,23.9,23.5,23.2,23.4,23.3,23.3,23.2,22.1
1987,21.2,20.9,23,24.3,24.8,24.1,23.7,23.8,23.5,24.2,23,23
1988,22.8,22.8,23.1,24.9,24.5,24.5,23.6,23.6,23.6,23.1,22.7,21.2
1989,22.5,22.1,22.4,23.3,23.7,23.5,23.4,23.1,22.9,23,22.8,21.5
1990,22.6,23,23,24.2,24.7,23.5,23.5,23.9,23.2,23.3,23,22.9
1991,22.2,23,23.1,24.2,25,24.4,23.9,23.4,22.9,22.8,21.9,22
1992,21.2,21.2,22.4,22.9,24,23.7,23.6,23.6,23.3,23.1,22.2,21.8
1993,21.8,21.4,22.3,23.4,23.8,23.7,22.8,23.1,22.9,22.9,23.1,22.5
1994,22.8,21.8,22.2,23.1,23.7,23.2,23.7,23.2,23.1,22.9,22.3,22.4
1995,22.1,21.3,22.4,22.6,23.7,23.8,23,22.9,22.5,22.7,23,22.9
1996,22.1,21.9,23.1,23.7,23.9,23.8,23.5,23,23.2,24,22.8,22.1
1997,21.8,22.4,22.4,23.7,24.2,23.8,23.4,23.8,23.4,23.7,24.1,23.1
1998,23,22.5,23.5,24.6,25,24.3,24,24.3,23.6,23.9,23.9,23.8
1999,23.5,22.8,23.7,23.9,23.9,23.2,23.4,23.6,23.1,23.5,23.3,23.5
2000,23,23,23.3,24.8,24.5,23.8,23.4,23.9,23.3,23.8,23.8,23.7
2001,23.9,22.9,23.3,24.9,24.6,23.9,24,24.1,23.9,24,23.3,22.9
2002,22.5,22.2,23.1,24.1,24.6,24.5,23.5,23.8,23.3,24.1,23.7,23.9
2003,22.6,21.8,23.5,24.8,24,23.7,24.1,23.1,23.3,23.9,23.9,22.8
2004,22.1,22.7,23.5,24.4,24,22.5,23.9,23.3,23.2,22.5,23.5,23.4
2005,22.9,21.9,22.3,24.2,24.3,24.2,24.3,24.1,23.5,24,24.2,22.8
2006,23.9,23.7,21.7,23.3,23,24.2,21.4,24,23.6,23.8,24.3,23.3
2007,23.5,23.2,23.5,23.2,24.7,25.1,23.6,23.8,23.7,23.6,23.2,23.6
2008,23.5,21.2,21.8,23,22.8,22.9,23.2,23.1,23.8,22.6,22.6,22.9
2009,21.2,21.8,22.9,22.7,23.3,22.9,23,23.9,23.3,22,22.4,21.4
