1901,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1902,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1903,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1904,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1905,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1906,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1907,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1908,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1909,21.9,22,22.1,22,21.9,21.5,21.1,21.4,21.6,21.7,22,21.9
1910,22.1,22.1,21.9,21.6,22,21.7,21.3,21.3,21.9,21.6,22.2,22
1911,22,22.3,22.4,22.2,22,21.4,21.2,21.5,21.9,22.1,22.4,22.3
1912,21.9,22,22.9,22.5,22,22,21.2,21.8,21.5,22.2,22.6,21.8
1913,22.1,22.7,22.4,22.3,21.8,21.8,21.3,21.2,21.7,21.9,22.4,22.4
1914,22.9,22.5,22.6,22.3,22.2,21.7,21.8,21.6,22.2,22.1,22.5,22.5
1915,22.5,22.5,22.8,22.5,22.7,21.6,21.2,21.7,21.6,22.1,21.8,21.9
1916,22,22.1,22.3,22.2,21.9,21.1,21.2,21.5,21.8,21.5,21.9,21.6
1917,21.7,21.8,21.8,21.4,21.3,21.1,21,20.8,21,21.2,21.7,21.1
1918,21.2,21.6,22.4,21.8,21.8,21.6,21,21.1,21.5,21.9,22.2,22
1919,22.1,22.4,22.4,21.8,21.9,22,21.3,21.1,21.3,21.5,22.2,21.7
1920,22,21.9,22.2,22,21.8,21.4,20.9,21.1,21.7,22.2,21.9,21.5
1921,21.7,21.7,21.7,21.5,21.6,21.2,20.2,21,21.3,21.6,21.6,22
1922,21.8,21.7,21.7,21.7,21.4,21.2,20.7,21,21.2,21.4,21.7,21.4
1923,21,21.8,21.6,21.3,21.2,21.3,20.4,21.1,21.3,22,22.1,21.5
1924,22.7,22.6,22.5,22.2,21.4,20.7,21,20.9,20.9,20.9,21.8,21.3
1925,21.3,21.2,21.4,21.9,22,21.5,21.1,21.2,21.2,22.2,22.3,22.5
1926,22.3,22.5,22.7,22.2,21.6,21.2,21.1,21.4,21.6,21,22,21.2
1927,21.3,21.3,21.4,21.5,21.3,21,20.3,20.5,20.8,20.7,21.5,21.8
1928,21.6,21.5,21.7,21.6,21.5,21.4,20.5,20.7,20.8,21.1,21.5,21.3
1929,21.7,21.7,21.4,21.3,21.4,21.4,20.4,20.8,21.2,21.5,21.7,21
1930,21.2,21.4,22,21.5,21.7,21.3,20.5,21,20.9,21.2,21.9,21.6
1931,22.6,22.5,22.3,22.2,21.9,21.6,20.6,21.1,21.2,21.5,21.5,21.2
1932,21.4,22,21.4,21.5,21.2,21,21,21.1,21.4,21.5,22.4,21.7
1933,21.9,21.6,21.6,21.6,21.7,21,20.8,21.4,21.8,20.8,21.1,21.1
1934,21.4,20.7,21.3,21.5,21.7,21.6,20.9,21,21.2,20.6,21.7,21.6
1935,22,21.6,22.1,21.6,21.1,21,21.2,20.9,21.2,22,21.8,22.1
1936,21.4,22.2,21.8,21.4,22.1,21.6,21,21.1,21.6,21.6,22.2,21.9
1937,21.4,21.8,22.1,21.9,21.9,21.8,21.3,21.7,21.9,21.6,22.4,22.3
1938,21.9,22.1,21.8,21.7,21.5,21.2,21.3,21.1,21.7,21.9,21.9,21.9
1939,21.3,21.6,21.5,21.2,21.8,21.7,21.2,21.1,21.2,22,22.6,22.5
1940,22,22.6,22.6,21.9,22.2,22,21.5,21,21.6,22,22.4,22.1
1941,21.7,22.6,22.9,22.6,22.5,21.5,21.7,21.9,21.7,22.8,23.3,22.6
1942,22.2,21.8,22.5,22.6,22,21.3,21.2,21.6,21.9,22.2,22.8,21.9
1943,21.8,21.2,21.5,21.6,21.8,21.6,21.9,21,21.4,22.7,22.8,22
1944,21.6,21,21.4,22,22,21.8,22.4,21.8,21.4,22.5,22.7,22.6
1945,22,21.5,22.1,22,21.7,21.1,21.7,21.8,22,22,22.2,22
1946,21.5,21.7,21.9,21.6,21.7,21.5,21.2,20.4,21.1,21.9,22.2,22.2
1947,21.8,22.2,22.7,21.7,21.7,21.4,21.5,20.6,21.2,21.8,21.8,21.8
1948,21.8,21.4,21.5,21.4,21.8,21.4,21.3,21.4,21.5,22.2,22.4,22.3
1949,21.8,21.3,21.8,21.3,21.5,21.6,21.2,21.1,21.4,21.7,21.9,22.3
1950,21.4,20.5,21.4,21.7,21.2,21.4,20.9,21.1,21.5,21.4,22.3,21.5
1951,21.1,20.6,21.4,21.2,21.5,21.1,21.5,21.2,21.5,21.7,22.2,22
1952,21.5,21.2,22.5,21.6,21.5,20.8,21.3,21.1,20.8,21.7,22,22
1953,21.4,21.1,21.5,21.7,21.7,21.6,21.1,21.6,21.7,22.1,22.4,22.3
1954,21.4,21.4,21.7,22,21.9,21.7,21.3,21.2,21.5,21.6,21.9,21.8
1955,21.8,21.1,21.4,21.6,21.7,21.6,20.8,21,21.4,21.9,21.8,21.7
1956,21.1,21.1,21.6,21.6,21.2,21.2,21,20.5,21,21.3,21.9,21.9
1957,21,22.1,21.8,21.9,22.1,21.6,21.4,21.5,22,21.9,22.3,22.6
1958,22.5,22.5,22.4,22,22,21.9,22.1,21.6,22.9,22.6,22,22.5
1959,22.5,21.7,22.2,21.8,21.4,21.1,21.8,21.3,21.6,22.1,22.5,22.2
1960,22,21.6,22.3,21.4,20.9,20.9,20.8,21.1,21,21.8,21.7,22.1
1961,22.1,21.8,22.5,22.3,22.1,21.2,21.4,22.1,22.2,21.6,22.5,21.6
1962,21.7,22.2,22.1,21.9,22,21.5,21.3,21.6,22.3,22.1,22.3,22.4
1963,21.8,21.8,22,21.5,22.1,21.4,21.9,22,21.9,22.8,21.9,22
1964,22.8,22.7,22.3,22,21.9,21.3,21.3,21.9,21.9,21.6,21.8,21.5
1965,22.2,21.3,21.8,22.1,22.4,21.8,21.7,21.3,22.1,22.6,21.8,21.8
1966,22.4,22.7,22,21.9,22.6,22.1,21.2,21.2,21.6,22.8,22.1,21.7
1967,21.3,21.4,22.1,21.5,22.4,21.7,22.1,21.4,21.7,21.5,22.5,22
1968,21.7,22.2,21.7,21.6,21,21.5,21.7,21.3,20.9,21.7,22,22
1969,21.7,21.5,22.3,22.2,22.8,22.1,21.2,21.6,22.6,22.2,23.2,22.2
1970,22.1,21.6,22.4,22,22.7,21.8,21.4,21.8,21.5,23,22.1,22.1
1971,21.9,22.3,22.3,21.9,21.8,21.1,21.4,21.4,22.7,21.9,21.9,23.3
1972,21.4,22.1,22.8,22.5,22.1,21.9,23.1,21.6,21.7,22.4,23.8,23.8
1973,23.8,23.3,22.7,22.4,21.6,22.1,20.9,21.9,20.5,23,21.9,21
1974,21.7,21.3,21.4,21.5,21.1,21.5,20.4,21.1,21,19.5,21.3,20.7
1975,21.2,21.1,21.7,21.5,22.1,21.2,20.1,21,21.6,21.2,21.7,21.3
1976,21.2,21,21.8,21.3,21.8,21.1,20.9,21.3,21.4,21.9,21.4,21.3
1977,22.5,21.8,21.6,21.4,21.6,20.8,21.4,21.7,20.8,21.2,21.9,21.7
1978,22.1,21.9,22,21.5,21.6,21.2,20.7,20.7,21.5,21.4,21.9,24.5
1979,22.1,22,21.8,21.7,22.4,20.9,21.1,21.4,21.9,21.4,21.8,21.2
1980,22.2,23.3,21.8,21.9,21.9,20.9,20.7,20.5,21.3,20.5,21.5,21.7
1981,21.3,20.8,22.5,22.2,20.7,21.4,20.3,20.5,21.2,22.1,21.4,21.5
1982,21.8,21.6,22.2,21.5,21.5,22,20.3,21.4,21.2,21.2,22.7,21.1
1983,23,22.8,22.6,21.9,23,21.3,19.1,21.4,21.9,21,21.5,20.6
1984,21.3,22.6,22.1,22.5,22.4,21,20.2,20.7,20.7,21.1,21.8,22.1
1985,24.7,20.9,21.8,22.2,21.9,20.6,20.4,20.5,21,21.4,21.3,21
1986,20.2,22.1,21.2,21.2,21.7,21.2,19.1,21.5,21.1,21,20.9,20.7
1987,21.7,21.3,22.7,22.2,21.8,21.7,23.3,21.7,22.2,23.7,22.8,24.5
1988,22.6,22.7,23.3,21.2,22.5,21.2,21,22.6,21.8,22,22.3,22.3
1989,21.4,22.3,22.2,22.4,21.8,21.5,20.1,22.5,22.7,22.3,22.5,22.5
1990,22,22.3,22.5,22.4,22.4,22,20.4,21.4,21.6,22.2,21.7,21.5
1991,21.9,22.3,22.7,22.5,22.7,22.2,21.4,21,21.6,21.6,22.2,22.2
1992,22.2,22.5,22,22.4,22.5,22,20.7,21.1,21.4,21.6,21.4,21.3
1993,21.8,21.9,21.7,21.8,22,21.8,21.1,22,21.1,21.8,21.2,21
1994,21.7,21.2,22.2,21.5,22,20.8,20.9,21.8,21.6,21.6,21.7,21.5
1995,22.8,23,22.2,22.2,22.3,22.2,21.8,22,21.6,21.9,22.3,22.3
1996,22,23.7,22.4,21.8,22.4,21.1,23.3,22.2,20.6,21.3,22.4,24
1997,23.8,21.4,21.9,22.5,22.2,22.1,23.6,21.5,20.2,22.6,22.3,22.2
1998,22.5,22.4,23,22.8,22.5,21.7,21.5,22.7,22.3,22.1,22.1,22.4
1999,22.8,21.8,21.7,21.1,21.2,21.9,21.3,20.7,21.3,21.8,21.9,22.1
2000,22,21.6,21.7,21.8,23,21.9,20.9,22,21.9,22.1,22.6,22
2001,21.8,21.3,22.6,22.5,22.7,21.4,21.8,22.1,22.2,22.6,23,22.2
2002,22.9,22.5,22.5,22.5,22.8,22,21.9,22,22.7,22.6,22.4,22.3
2003,23.9,23.3,23.3,22.8,23.1,22,21.7,21.8,21.5,22.4,23,22.1
2004,23.2,22.6,23.1,23,22.5,22,21,21.9,22.2,23.3,23,22.3
2005,23.6,22.7,23,22.6,23.1,22.4,21.4,22.4,22.4,22.9,23.3,22.4
2006,22.8,22.5,22.9,22.5,21.7,21.8,21,22.4,22.7,23.4,22.6,22.5
2007,23.1,23.9,22.6,22.8,22.7,22.3,22.1,22.2,22.3,22.3,22.2,22.1
2008,22.3,21.8,23.1,22.5,22.1,22,21.5,22.6,22.5,22.3,22.7,22
2009,22,21.9,22.8,22.4,22,21.9,22.6,22.8,23.1,23.2,23.5,22.1
