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