1901,22.3,22.2,22.2,22.3,21.8,21.5,20.6,20.7,21.7,22,22,22.1
1902,22.3,22.7,22.8,22.8,21.9,21.7,20.8,20.5,21.6,21.7,21.7,22.2
1903,22,21.7,22.3,23.2,22.8,21.7,20.8,20.5,21.4,21.8,21.9,22.1
1904,21.9,22.4,22.1,22.8,22.1,21,20,19.7,21.2,21.5,21.6,21.6
1905,22,21.8,21.6,22.1,22.1,21.3,20.5,20.6,21.6,21.8,22.2,21.8
1906,22.5,21.9,22.5,22.3,21.3,20.5,20.2,20.4,21.4,21.9,22,21.9
1907,22.2,21.9,22.8,22.7,22.8,21.9,19.9,20.6,21.7,22.2,21.9,22
1908,22.6,23.3,22.8,23,22.7,21.8,21,21,22,22.1,21.8,22.1
1909,22.1,22.1,23.2,22.9,22.7,22,20.8,20.6,21.6,22.1,22.1,22
1910,21.9,22.5,22.2,22.1,21.6,21.2,20.7,20.7,22.1,22.3,22.1,21.9
1911,21.5,22.3,21.9,22.5,22.4,21.9,20.8,20.7,21.9,22.2,22.3,22.2
1912,22.1,21.6,22.4,22.7,21.7,21.1,20,20.8,21.3,22.1,22.2,21.9
1913,22.4,21.9,22.2,22.5,21.6,21,20.4,20.2,21.5,22.1,22.5,22
1914,22.5,22.2,22.7,22.8,21.9,21.2,20.7,19.9,22.1,22.3,22.5,22.8
1915,23,23.3,22.3,24.1,24.1,22.4,21.7,21.4,21.9,22.7,22.2,22.1
1916,22.2,22.8,22.3,22.7,21.8,20.3,20.1,20.4,21.4,22,21.9,21.7
1917,21.2,20.8,21.5,21.8,20.7,19.8,19.8,20.1,21.5,22,22,21.5
1918,21.5,21.5,22.8,22.6,22.3,21,20.5,20,21.5,22.3,22.6,22.2
1919,22.4,23.3,24,22.4,23.6,22.6,21.1,20.2,21.4,21.9,22.1,22.1
1920,22.6,23,22.5,22.7,21.9,20.4,19.8,20.2,21.6,22.7,22.1,21.6
1921,22,21.6,21.9,22.1,21.3,20.1,18.9,20.1,21.3,22,21.8,22.2
1922,22.5,22.5,22.4,21.8,21.2,20.3,19,19.5,21.1,21.3,21.4,21.3
1923,21.9,21.4,21.9,21.4,21.3,20.7,19.7,20.3,21.4,22.3,22.2,22.1
1924,22.9,21.8,22.2,21.9,21.1,19.9,19.5,19.3,21,21.1,21.7,21.3
1925,21.2,21.1,21.6,21.9,21.8,21.1,20.6,20.5,21.1,21.8,21.8,22.1
1926,22.2,22.5,22.7,22.6,21.7,20.9,20.3,20.7,21.9,21.6,22.1,21.6
1927,21.7,21.7,21.6,22,21.5,20.5,19.7,20.1,21.4,21.5,22,22.3
1928,22.3,22.8,22.6,22.2,21.8,21.5,20.3,20.1,21.3,21.7,21.7,21.6
1929,22.2,21.8,21.8,21.6,21.3,20.9,20,20.2,21.4,21.8,21.6,21.2
1930,21.8,22,22.7,22.3,22.4,21.5,20.6,20.8,21.4,21.6,22,22.2
1931,22.6,22.5,22.7,23,22.5,21.8,21.2,20.7,21.3,21.8,21.8,21.6
1932,21.8,22.1,22.5,23.3,22.6,21.6,21.1,20.8,21.3,21.8,22.3,21.7
1933,22.2,22,22.3,22.3,21.9,21,20.6,20.7,21.9,21.9,21.7,21.6
1934,21.9,21.2,21.1,21.8,21.1,20.2,20,20.3,21.7,21.7,22,21.7
1935,22.4,21.4,22,21.8,21.4,20.5,20.1,20.5,21.4,22.2,22.1,22.3
1936,22.3,22.2,22.8,23,22.6,20.8,19.8,20.4,21.7,22.2,22.1,22.1
1937,22.9,22.4,23,22.4,21.8,21,20.5,21,22,22.2,22.7,22.8
1938,22.4,23.2,22.1,22.1,21.7,21.1,20.8,20.5,21.7,22,21.4,21.9
1939,22.4,21.9,22.1,22.1,22.2,21.3,20.5,20.5,21.5,21.7,22.1,22.3
1940,22.2,22.7,22.4,22.2,21.9,20.5,20.1,20.1,21.6,22,22,22.6
1941,22.6,22.9,22.9,23.1,22.7,22,20.9,21,21.4,22.4,22.3,22.4
1942,23.1,22.6,23.4,23.6,23.1,21.7,20.6,20.5,22.1,22.2,22.3,21.8
1943,22.2,22,22.3,22.3,22.5,21.5,20.5,19.9,21.3,22.4,22,21.5
1944,21.8,22.3,22.4,22,21.7,21.2,20.4,21.2,21.5,22.2,22.4,22.3
1945,22.2,21.2,22.7,22.3,21.2,20.4,19.8,20.7,21.8,21.8,22,21.9
1946,21.3,21.6,22.4,22.4,22.4,21.3,20.7,20.2,21.6,21.8,22.2,21.9
1947,22,21.9,22.1,22.2,21.5,21.1,20.5,21.8,21.6,22.1,21.7,21.6
1948,22.3,22.6,22.3,22.3,21.8,21.1,20.3,20.4,21.3,22.1,22,22.3
1949,21.7,21.2,21.7,21.9,21.3,20.8,19.6,20.2,21.6,22.1,21.7,22
1950,21.8,21.5,21.1,21.6,21.4,20.9,19.3,19.8,21.7,21.6,21.6,21.9
1951,21.8,22,21.7,21.7,20.8,20.4,19.3,20.6,21.7,21.9,22.2,21.6
1952,22.9,21.8,21.8,21.8,21.6,20.5,19.8,20.1,21.7,21.9,21.7,21.4
1953,22.3,22,22.3,21.8,22.1,20.8,20,20.7,21.5,21.7,22.1,21.8
1954,22.2,21.9,21.8,23.4,22,21.1,20,21.3,21.5,22.5,21.5,21.8
1955,21.6,21.7,22.4,21.6,21.4,20.8,19.9,20,21.8,21.9,21.4,22.2
1956,21.8,21,21.8,21.5,21.6,20.2,19.9,19.9,21.4,22.4,21.7,21.7
1957,21,21.7,20.9,21.3,22.1,21.7,20,20.8,21.6,22.2,22.2,22.4
1958,22.3,22.5,22.3,22.6,22.9,21.5,20.4,20.3,21.5,22.1,22,23.2
1959,21.9,21.9,22,22.7,22.4,20.8,20,20.6,21.5,22,21.8,22.1
1960,21.7,21.9,21.6,22.6,22.1,20.6,20.1,20.5,21.8,22.4,22,21.6
1961,22.4,22,22.8,22.8,22.2,20.9,20.7,21.2,22.8,22.2,22.4,21.8
1962,22.5,22.6,22.4,22.2,22.4,21,20.8,21.8,22.8,22.4,22.2,22.4
1963,22.4,21.9,21.9,22.2,21.8,21.4,20.2,21.3,22.9,23.4,22.7,21.8
1964,21.7,22,22.1,21.9,21.5,20.9,21,21.3,22.6,21.9,22.2,22.1
1965,22,22,22,21.8,22.2,21.2,20.9,21.5,23.2,23.1,22.8,22.6
1966,22.7,22.4,22.9,22.9,23.1,21.2,20.8,21.9,22.5,23,22.4,22.5
1967,22.8,22,22.1,22.1,22.2,20.8,20.1,20.9,22.3,22.2,22,22.7
1968,22.1,21.9,22,22.5,22,20.6,20.7,21.8,22.1,22.2,22,22.4
1969,22.5,22.9,22.9,23.1,22.8,21.7,21.1,21.7,22.3,23,22.8,21.6
1970,22.7,23.4,23.2,23.5,22.9,21.8,21.4,21.6,22.1,22.7,22.8,23
1971,23.3,21.5,21.9,21.7,21.6,19.9,19.4,19.7,20.7,21.6,21.5,22.3
1972,21.6,21.4,20.9,22.1,21.4,20.2,19.7,20,21.1,21.8,22.2,22.3
1973,22.8,22.4,22.6,22.4,21.6,20.2,18.1,19.8,21.1,22.8,22.7,21.5
1974,21.7,21.7,21.2,21.8,20.6,19.3,18.3,18.8,20.9,21.4,21,21.1
1975,20.7,20.7,20.7,21.1,21.2,20.5,18.1,18.2,21,21.4,21.1,21.8
1976,21.3,21.3,22.1,21.6,21.2,19.7,19.2,21.5,20.8,21.6,21.2,21.7
1977,21.5,21,21.9,21.7,21.5,20.4,20,19.6,21,21.8,21.9,21.8
1978,22.1,22.4,22,22.2,21.7,20,19.7,19.8,21.1,22.2,22.1,22
1979,22.1,22,22.5,22.4,21.7,20.2,19.5,20,20.8,21.9,21.8,21.9
1980,21.9,21,22,22.2,22.4,21.2,20.6,20.1,21.8,22.2,21.9,21.8
1981,21.8,22.3,22.2,23,22,20.1,19.2,19.4,20.6,21.5,21.9,22.2
1982,21.6,21.9,22.4,22.3,21.9,20.8,20.2,20,21,21.8,21.8,21.9
1983,23,22.9,22.5,23.4,23,21.4,20.8,19.6,21.6,21.5,22.1,21.7
1984,21.7,21.7,22,21.5,21.7,20.4,20,20.2,21.3,21.5,21.9,22.3
1985,21.1,21.4,22,21.5,21.6,20.7,20.3,20.2,21.7,21.6,21.6,22.5
1986,21.7,21.6,21.9,21.9,22.2,20.7,20.5,20.3,21.6,21.8,22,22
1987,22.5,22.4,22,23.2,22.7,21.9,21.3,20.9,22.3,22.8,22.6,22.9
1988,22.7,22.8,22.6,22.5,22.4,21,20.7,20.9,22.3,21.9,21.8,21.6
1989,22.1,22.2,21.8,21.9,21.5,21.1,20.4,20.6,21.5,21.9,22.3,21.4
1990,22.8,22,22.7,23.3,22.4,21.5,20.7,20.9,21.9,22.2,22.4,22.3
1991,22,22.7,23.1,22.6,22.2,21.6,20.5,20.6,22.1,21.7,22.1,22
1992,22.2,22.1,22.4,22.9,22.9,21.4,20.6,21,20.9,21.9,21.6,21.7
1993,22.3,21.9,22.1,22.5,22.5,21.4,20.9,20.7,21.5,22.4,22.2,22.3
1994,22,22.2,22,22.4,22.3,21.1,20.5,21,22.3,22.4,22.4,22.2
1995,22.3,22,23.2,22.5,22.1,21.3,20.9,21.8,23.1,23.1,22.4,22.6
1996,22.6,22.8,22.6,22.3,22.4,21.8,21,21.5,22.6,22.6,22.4,22.1
1997,21.9,22.3,22.4,22.4,22.5,21.7,21.2,21.6,22.7,23.3,23.3,23
1998,23.3,23.8,23.3,24.2,23.6,22.6,22.1,22.2,23.5,23.4,22.5,22.9
1999,22.8,23.4,22.7,22.8,22,21.6,21.1,21.9,22.3,22.9,22.6,22.6
2000,22.6,22.2,22.7,22.5,22.7,21.9,21.3,21.7,21.9,22.5,22.3,22.2
2001,22.5,22.3,22.5,22.7,22.7,21.5,21.2,21.5,22.6,22.5,22.6,22.9
2002,22.3,23.2,22.7,23,23.1,21.8,21.7,21.9,22.6,22.5,22.5,22.5
2003,23.3,22.7,22.7,23.2,23,22.2,21.4,21.8,22.7,23,22.8,23.2
2004,22.6,22.2,22.8,23.4,23.4,21.7,21.1,21.1,22.7,22.9,22.8,23.1
2005,23.4,23.3,23.2,23.6,22.9,22.3,21.7,22.3,23,23.7,23.9,22.5
2006,23.3,23,22.8,22.5,22.5,21.8,21.6,21.8,23.2,23.4,22.7,22.9
2007,23.6,22.2,23,22.9,23.1,21.9,22,21.2,23.2,23.5,22.7,22.7
2008,22.1,22.4,22.3,22.4,22.2,21.4,21.5,22.2,23.4,23.7,23.1,22.9
2009,22.8,22.4,22.5,22.3,21.9,22,21.5,21.6,23.6,23,23.3,22.6
