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