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