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