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