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