1901,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1902,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1903,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1904,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1905,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1906,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1907,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1908,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1909,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1910,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1911,22.8,23.5,23.4,23.8,23.7,23.5,23.5,22.9,23.2,23.2,23.9,23.6
1912,23.8,23.6,24,23.8,23.7,23.1,23,22.9,23.2,23.3,23.5,23.6
1913,23.2,23.5,23.9,23.4,23.7,23,23,23.1,23.2,23.5,23.7,23.7
1914,23.2,23.7,23.5,23.7,24.3,23.1,23.1,23.4,23.5,23.6,24,24
1915,23.4,23.5,23.5,23.8,23.9,23.7,22.8,23.5,23.2,23.4,23.9,23.6
1916,23.1,23.5,23.4,23.8,23.5,23.2,22.3,22.7,23.2,23.5,23.7,23.5
1917,22.8,22.7,23.1,23.6,22.9,23,22.8,22.5,22.9,23.2,23.7,23.2
1918,21.8,21.8,23.2,23.2,23.2,22.7,22.9,23.1,23,23,23.7,22.9
1919,23.5,23.7,23.9,24,24,23.7,22.8,23.3,23.2,23.4,23.6,23.3
1920,23.2,23.3,23.6,23.8,23.8,23.7,23.1,22.7,23.2,23.4,24,22.9
1921,23.2,23,23.3,23.6,23.3,23,22.9,23.1,23.3,23,23.4,23.6
1922,23.6,23.2,23.1,23.1,23.2,23,22.9,22.6,23.2,23.2,24,23.9
1923,23,23.3,23.3,23.9,23.5,23.3,22.7,22.5,22.6,23.2,23.6,23.4
1924,23.7,23.4,23.2,23.6,23.3,23,23,23.3,22.7,22.9,23.1,23.2
1925,22.9,22.4,22.8,23.4,23.5,23.4,23,23,22.9,22.9,23.2,23
1926,22.9,23.1,23.2,24.1,23.9,23.3,22.8,23,22.9,23,23.3,23.6
1927,23.1,22.9,23.4,23.4,23.3,23,22.9,23,22.9,22.8,23.2,23.6
1928,23.1,23.1,23.1,23.4,23.6,23.1,22.8,22.8,22.9,23,23.1,23.6
1929,22.9,22.7,23.1,23.6,23.7,22.7,23.1,22.9,22.9,22.7,23,23.1
1930,23.1,22.9,23.2,23.6,23.6,22.9,23.4,23.5,23,23.2,23.4,23.3
1931,23.3,23.6,23.6,23.8,23.8,23.6,22.8,23.6,22.9,23.1,23.6,23.1
1932,23,22.9,23.2,23.6,23.3,22.7,22.6,22.7,22.9,23.3,22.8,23.3
1933,23.2,22.7,23.1,23.6,23.6,23.2,23,23.2,22.8,22.9,23.1,22.7
1934,22.2,22.2,22.6,23.2,23.6,23.1,23.1,23.1,23.2,23.1,23.4,23.4
1935,23,23.1,23.6,23.6,23.3,23.1,23.4,23.1,23.4,23.4,23.5,23.2
1936,23.2,23.4,23.5,23.8,24,23.1,23.1,22.8,22.9,22.5,23.5,23.4
1937,23.3,23.3,23.4,23.9,23.2,23.3,23.1,23.3,23,23,23.3,23.4
1938,23.3,23.6,23,23.5,23.5,23.5,22.8,22.5,23.1,23.2,23.4,23.4
1939,23.2,23.3,23.2,23.8,23.5,23,22.7,22.7,22.7,22.9,23.2,23.6
1940,23.5,23.3,23.4,23.7,23.5,23.6,23.2,23,23,23.5,23.4,23.5
1941,23.2,23.6,23.8,24.1,24.2,23.9,23.3,23.2,23.2,23.8,23.6,23.9
1942,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1943,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1944,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1945,22.7,22.8,23,23.3,23.4,23,22.6,22.6,22.7,22.9,23,22.9
1946,22.8,22.8,23.1,23.3,23.4,23.1,22.7,22.7,22.8,22.9,23,22.8
1947,22.7,22.8,23.3,23.6,23.7,23.4,22.7,22.8,22.7,23,23.1,23.1
1948,23.1,23,23.3,24,23.7,23.9,23.1,23.5,23.4,23.3,23.6,23.9
1949,23.7,23.5,23.9,24,23.6,23.4,23,23.2,23.3,23,23.4,23.5
1950,23.3,23.2,23.4,23.5,23.7,23.3,22.8,22.7,22.9,22.9,23.2,23.2
1951,22.4,22.4,23.3,23.7,23.4,23.6,22.7,23,23.1,23,23.2,23.4
1952,23,22.7,22.7,23.8,23.7,23.8,23,22.7,22.8,23.3,23,23.1
1953,22.8,22.5,22.7,23.3,23.3,23.5,22.5,23.1,22.9,22.9,23,23.2
1954,22.6,23,22.8,23,23.2,22.9,22.3,22.6,22.7,22.3,22.6,22.7
1955,22.5,22.8,23.1,23.5,23.4,23,22.2,22.2,22.4,22.5,22.9,22.7
1956,22.1,22.4,22.7,23.1,22.7,22.5,21.7,22.1,22.4,22.5,22.6,22.6
1957,22.7,22.5,22.7,23.4,23.1,23.3,22.6,22.4,22.5,22.8,22.9,22.8
1958,23,22.9,23.1,23.6,23.5,23.2,22.8,22.3,22.8,22.7,23,23.4
1959,23.2,23.2,23.3,23.2,23.8,23.5,22.8,22.6,22.8,22.8,23.2,22.6
1960,23.2,23.1,22.9,23.1,23.3,22.8,23,23.2,23.1,23.1,23.8,23.5
1961,22.9,23,22.5,22.7,23.1,22.6,22.3,22.3,21.7,21.9,22.9,23
1962,22.8,22.6,22.4,22.6,23.1,22.5,22.8,22.4,22.7,23.2,23,22.9
1963,22.4,22.4,22.6,23.1,23.1,22.3,22.4,22.2,22.6,22.5,23.1,22.9
1964,23,22.4,23.2,23.1,23.4,22.6,22.1,22.5,22.8,22.6,23.3,22.3
1965,22.3,22.2,22.4,22.7,23.1,22.5,22.8,22.3,22.3,23.1,23.2,23.4
1966,22.3,22.7,22.6,22.9,23.5,22.3,22.5,22.5,22.9,23.2,23.2,23
1967,22,23,22.2,22.6,22.8,22.6,22.5,22.4,22.2,22.7,23.2,23
1968,21.9,22.6,21.6,22,22.4,21.9,22.6,23.1,22.8,22.9,23.5,23.5
1969,22,22.6,22.5,22.8,23.1,23,22.7,22.2,23.2,23.1,23.3,23.1
1970,22.4,23,22.8,22.7,22.9,22.8,23,22.6,22.9,22.9,23.2,23.3
1971,21.9,22.9,21.9,23.1,22.7,22.2,22.6,22.3,22.5,22.9,22.8,22.6
1972,22.4,22.3,22.8,22.9,23,22.7,23.1,22.5,22.2,22.6,22.8,23.4
1973,23.3,23.2,23.5,23.5,22.5,23.3,22.6,22.5,22.7,23.1,22.5,22.1
1974,22.3,21.9,22.5,22.9,22.8,22.1,22,22.8,22.3,21.9,22.8,22.3
1975,22.6,22.4,22.3,22.9,22.8,22.8,21.5,22.4,22.6,22,22.2,22.3
1976,22.3,21.7,22.8,22.7,23.4,22.3,21.9,22.1,22.6,22.4,22.9,22.5
1977,23,22.3,23.4,24,23.3,22.9,22.2,21.9,22.4,22.3,22.8,22.4
1978,23,22.7,24.1,24,24,23.3,22.7,23.1,23,23.2,22.8,23.2
1979,23.1,23.1,23.3,23.1,23.2,23.1,22.5,22.7,22.6,22.9,23,23.2
1980,23,23,23.1,23.6,23.9,23.5,22.3,22.7,22.6,23.1,22.5,22.9
1981,23.4,22.8,23.7,23.6,24.2,23.7,23.6,23.7,23.4,23.5,23.3,23.1
1982,22.7,23.6,23.9,23.4,24.2,23.5,23.3,22.9,22.7,22.9,23.1,23.1
1983,23.8,23.8,23.7,24.4,24.4,24.3,23.4,23.3,22.7,23.7,23.3,22.5
1984,22.6,22.6,22.7,23.7,23.5,23.7,23,23.4,23.2,22.9,22.9,23
1985,23,22.8,23,24,24.1,23.7,22.7,23.1,22.8,22.9,22.8,22.6
1986,22.8,22.6,23.3,23.8,23.5,23.6,22.7,23.2,22.9,23,22.7,23.2
1987,22.7,22.8,23,24.5,23.4,24.1,23.2,22.8,22.8,23.8,23,23.1
1988,23.5,23.5,23.8,24.2,24.4,24,23.4,23.1,23.2,23.5,23.6,22.6
1989,23.4,23.2,23,23.5,23.8,23.3,23.4,23.3,22.9,23.3,23.2,23
1990,23,23.2,23.7,24.3,24,23.8,22.8,23.3,23.2,23.5,23.3,23.5
1991,23.3,23,23.6,23.6,23.8,24.1,23.6,23.3,23.2,23.1,22.7,23.1
1992,23.7,23.1,24.4,24.5,24.1,23.9,23,23.1,22.5,23.1,22.4,22.8
1993,23.7,23.3,23.1,23.6,23.9,23.7,23.4,23.3,23,23.3,23.4,23.4
1994,23.8,23.1,23.2,23.7,23.8,23.7,23.3,23.1,23.4,23.6,23.4,23.3
1995,23.6,23.1,23.8,23.9,24.6,24,23.3,23.3,23.5,23.4,23.5,23.1
1996,23.4,23.3,23.6,23.7,24.3,24.1,23.4,23,23.5,23.3,23.4,23.3
1997,23.6,22.8,23.7,23.8,24,24,23.9,24,23.3,23.9,24.2,24
1998,23.7,24.3,23.9,23.9,25.3,24.2,23.5,23,23.7,24.1,23.7,23.5
1999,23.7,23.6,23.5,23.9,23.9,23.7,23.3,23.6,23.4,23.5,23.5,23.2
2000,23.4,23,23,23.1,23.8,24,23.6,23.2,23.4,23.5,23.7,23.3
2001,23.3,23.1,23.4,23.4,23.9,23.6,23.4,23.7,23.2,23.3,23.2,23.5
2002,23.6,23.3,23.4,24.3,24.2,23.9,23.6,23.5,23.3,23.4,23.4,23.9
2003,23,23.5,23.4,23.4,24.3,23.1,23.5,23.4,23.1,23.1,23.4,23.2
2004,23.4,23.6,23.7,24.1,23.6,23.7,22.7,23.6,23,23.4,23.3,23.3
2005,23.6,23.5,24.4,23.4,24.5,23.3,23.2,23.2,23.8,23.3,23.2,23
2006,22.8,23.6,23,23.6,23.6,23.5,23.6,23.5,23.5,23.7,23.2,23.5
2007,23.4,23.3,23.2,24.7,24.5,23.8,23.4,23.4,23.7,24,23.7,23.1
2008,23.4,23.2,23,23.5,24,23.7,23.6,23.5,23.7,24.3,24.5,23.8
2009,23.3,23.6,23,24.5,24.6,24.2,23.9,23.8,23.9,24.3,23.7,24.1
