1901,22.5,22.6,22,22.6,22.4,21.7,21.3,22.2,22.7,22.5,22.5,22.1
1902,22.3,22.1,22.1,22.5,22.4,21.6,21.7,22,22.7,22.5,22.8,22.4
1903,22.7,23,22.1,22.2,21.9,21.4,21.2,21.6,22.5,22.2,22.3,21.5
1904,21.9,21.9,21.6,22.1,21.8,21.7,21,21.9,22.3,22.2,22.8,22.1
1905,22.3,22.6,21.7,22.4,22.3,22,21.5,21.9,22.3,22.5,22.8,22
1906,22.4,22.5,22,22.6,22.2,21.3,21.2,21.8,22.6,22,22.8,21.7
1907,22.2,21.7,22.2,22.1,22.1,21.6,21.1,21.8,22.5,22.3,22.7,22.2
1908,22.5,22.1,22.1,22.5,22.3,21.9,21.1,21.6,22.2,21.9,22.4,21.9
1909,22.1,21.9,22,22,22.3,21.1,21,21.5,22.5,22.3,22.4,21.8
1910,22.4,22.3,22,21.9,21.3,20.5,20.3,21,21.3,21.5,22.2,21.4
1911,22.2,22.2,21.2,21.9,21.4,21.4,21.1,21.8,22.1,22.4,23.1,23
1912,23.9,23.8,23.3,23.5,22,21,20.6,21.3,22.4,22.5,22.2,22.3
1913,23.1,22.4,22.5,22.5,21.8,21.1,21.4,22.1,22.6,23.5,23.9,22.8
1914,23.3,23.2,22.5,22.6,21.8,21.1,21.1,22.1,22.4,22.6,22.8,23.1
1915,23.7,23.9,23.1,23.5,22.3,21.1,21.6,22.1,21.8,22,22.2,22.9
1916,23,23.4,22.9,23.8,22,19.6,19.4,20.4,22.4,21.7,21.6,23.1
1917,23.5,23.8,23.4,23.8,22.9,22.4,20.9,21.2,21.8,21.8,23.3,21.6
1918,22.8,22.1,22.5,22.7,19.2,24,22.5,24.4,22.8,22.3,22.5,22.3
1919,23.4,23.4,22.5,23.1,22.9,21,20.6,21.5,22.4,22.3,22.7,22
1920,22.6,22.4,22.3,22.3,21.3,20.6,20.1,21.2,21.9,22.3,22.5,21.5
1921,21.6,21.6,21.6,21.4,21.6,18.5,17.9,20.5,20.6,21.2,22.3,21.7
1922,22.8,22.6,22.3,23,22.4,21.7,21.7,21.7,22.7,22.5,23.1,22.1
1923,22.3,22.4,22.2,22.3,22.4,21.9,21.6,22.2,23,22.5,23.3,22.4
1924,23.3,22.6,22.3,22.8,22.3,21.7,21.4,21.9,22.4,22.5,22.7,22.1
1925,22.3,21.8,21.8,22.6,22.7,22,21.3,22.6,22.5,23,23.2,22.8
1926,23.3,22.9,22.3,22.7,22.4,22,21.4,22.2,23,23.4,23.8,23.1
1927,23.2,22.8,22.6,22.7,22.3,21.8,21.4,22.2,23.1,23.4,23.7,23.2
1928,23.2,23.1,22.3,22.7,22.7,21.9,21.4,22.2,23,23.1,23.8,23.1
1929,23.3,22.9,22.6,22.7,22.5,21.9,21.4,22.1,22.9,23.1,23.6,23.1
1930,23,22.7,22.3,22.7,22.3,21.9,21.4,22,22.6,23.2,23.5,23.2
1931,22.9,22.5,22.3,22.8,22.3,21.7,21.3,22.1,22.9,23.3,23.8,22.9
1932,23.1,22.7,22.4,22.8,22.4,21.9,21.7,22.3,22.9,22.9,23.1,22.5
1933,22.7,22.8,22.4,22.7,22.3,21.7,21.3,22,22.9,22.9,23.1,22.5
1934,22.8,22.3,22.4,22.7,22.4,21.9,21.4,21.9,22.6,23.2,23.4,23
1935,23,22.8,22.6,22.6,22,21.8,21.4,21.9,22.9,22.8,23.3,22.7
1936,22.8,23,22.3,22.7,22.5,21.7,21.4,22,22.9,23.1,23.4,22.8
1937,23.1,22.6,22.8,23.5,23,22.8,22.6,23.3,23.6,23.3,24.2,23.4
1938,23.5,23,22.8,23.6,23,22.3,22.2,23,23.7,23.1,24,23.2
1939,23.2,23,22.9,24.2,23.2,23.2,22.6,22.2,23.3,23.8,23.6,22.9
1940,23.3,23.8,23.3,23.5,23.4,22.8,22.5,22.8,24,24.2,24.6,23.1
1941,23.9,23.6,23.9,23.7,24,22.4,22.5,23.3,24.2,24.7,25.3,24.3
1942,24.4,24.6,23.7,24.2,23.7,23.6,23.2,24.2,24.1,24.8,25.2,22.6
1943,25.8,23.8,25.2,25.2,23,22.9,23.4,23.1,24.2,24.8,25.2,24.4
1944,24.9,23.2,22.9,24.8,24.8,24.1,23.5,23.7,25.5,24.7,24.6,24.5
1945,24.9,24.2,24,24.6,24.2,21.8,23,24.1,25.1,24.4,25.3,23.9
1946,24.4,24.6,24,23.2,22.8,22.9,21.2,23,23.9,24.2,23.3,22.7
1947,24.2,24,23.7,24.1,23.8,21.9,21.3,22,22.9,22.6,23,21.5
1948,22.6,22.7,22,22.6,22.9,21.8,21.2,21.6,22,23.1,23.2,21.9
1949,24.1,22.5,22.7,21.9,21.1,20.5,20.5,20.5,21.5,21.7,22.6,22.2
1950,22,21.5,21.1,22.1,20.8,20.4,20.3,21.2,22.2,22.5,22.9,21.6
1951,22.3,21.2,20.9,21.4,21.6,21.5,22.1,22.1,22.9,22.6,22.7,22.4
1952,22.8,22.2,22,21.7,21.8,19.9,20.6,21.1,21.7,22.5,22.2,22.1
1953,22.4,22.2,22.1,22.8,22.1,21.1,20.6,22.1,23.3,22.5,22.9,21.9
1954,22.1,21.9,21.7,22.1,21,20.9,20.2,21.7,22.4,21.8,22.7,21.8
1955,22.5,22.2,21.6,21.9,21.4,21.4,20.4,21.2,21.8,22.8,22.8,21.9
1956,22.1,21.3,21.7,21.6,21.2,20.9,20.7,21.7,22.3,22,22.5,22.1
1957,22.2,22.3,22.3,22.5,23.2,22.3,21.4,22.3,22.5,22.9,23.3,23
1958,23.1,23,21.7,22.8,21.6,21.7,22.3,21.6,23.3,23,22.5,22.8
1959,22,22.1,22.3,22.8,21.7,22.2,21.3,22,23.2,22.7,24,22.4
1960,24,23.2,22.8,22.5,21.9,22.5,22.4,22.9,23.1,23.5,23.4,22.1
1961,22.7,22.6,22.5,22.8,22.9,22.1,22.3,21.9,22.6,23.5,22.5,22.1
1962,22.4,22.2,21.9,22.7,22.8,22.1,21.9,22.6,23.1,23,24.9,22.7
1963,22.3,21.5,22.3,22.4,23,21.7,22.6,23.6,23,22.8,23.4,23.5
1964,24.1,23.3,21.8,22.3,20.9,20.5,20.4,22.3,22.9,23.1,23.2,23.1
1965,22.7,22.1,21.7,22.3,21.9,21.1,20.8,22.5,23,24,23.9,23
1966,23.3,23,22.2,23,21.8,21.6,20.6,22,22.6,22.5,23.5,22.5
1967,22.6,21.4,20.8,21.7,21.3,21,20,21.2,22.2,22.4,23,22.3
1968,23.1,22.9,21.9,22.7,23.7,21.7,22.7,21.9,22.5,22.7,22.9,22.6
1969,23.9,23.8,23.5,24,24,22.8,22,22.3,23.2,23.7,24.3,23
1970,22.8,22.9,22.4,23.2,22.8,22.7,21.9,22.3,23,23.3,23.5,22.3
1971,22.5,22.3,22.1,22.6,22.9,22.1,22.5,21.8,22.6,22.4,23.4,22.3
1972,22.2,23.1,22.1,22.8,22.4,23.1,22.3,22.2,22.9,23.7,23.6,23.8
1973,22.8,23.2,23.1,23.3,23.5,22.1,21.1,21.8,22.4,22.9,23.1,22.3
1974,21.4,21.3,21.6,22.1,21.2,20.6,20.4,20.8,21.8,22.6,23.3,21.5
1975,21,22.5,21.1,22.2,21.2,21.3,21.1,22.4,21.6,22,22.3,21.6
1976,22,22,21.5,22.1,21.7,21.2,20.7,21.6,21.9,22.8,23.4,23
1977,23.6,22.2,22.8,23.4,22.4,21.9,22,22.3,23.1,22.9,23.1,23
1978,22.9,23.3,22.7,23,22.9,21.7,22.6,21.5,22.9,23.2,23.5,22.8
1979,23.9,22.7,22.2,22.9,23.6,21.9,21.5,22.6,23.3,24,23.7,23.2
1980,23.5,22.9,22.8,23.2,22.9,22.4,21.7,22.4,23.1,22.8,23.5,23.4
1981,22.9,21.9,22.4,23,22.9,22.1,21.2,21.4,21.9,22,22.2,22.1
1982,22.3,21.6,22.2,22.7,22.5,22.5,22,21.8,22.2,22.7,23.4,22.6
1983,24.1,23.8,23.5,23.8,22.7,22.2,22.4,23.2,23,22.6,23.1,22.5
1984,21.9,21.4,22.1,22.3,20.9,20.9,21.3,21,22.7,24.5,22.7,22.6
1985,22.7,21.8,22.2,22.1,22.3,19.1,20.3,21.3,21.9,22.3,22.7,22.7
1986,22.7,21.5,21.3,23.2,21,21.5,20.4,21.7,23,22.8,23.2,22.7
1987,22.9,22.4,23.8,23.2,21.8,21.7,20.7,22.9,23.6,24,23.2,23.2
1988,22.7,23.7,21.8,22.3,21.2,20.6,21.1,22.9,22.4,22.7,23.5,23
1989,21.8,22,21.7,21.3,21.2,19.9,20.2,21.8,23.1,22.7,23.4,22.7
1990,21.7,22.8,21.8,21.6,21.5,21,20.6,21.6,22.9,22.9,23.4,22.4
1991,22.6,23.1,22.5,23.1,22.5,22.2,21.1,21.7,22.7,22.8,23,23.3
1992,24.1,23.5,23.7,24.4,24.2,22.8,21,22.1,22.1,22.6,23,22.3
1993,22.8,23,22.8,23,23.1,22.5,21.9,21.4,22.4,22.9,23,22.5
1994,22.9,22.5,22.3,23.3,22.9,21.9,21.3,21.6,22.7,23.2,23.3,23.5
1995,23.8,23,22.3,23.3,22.4,22.3,22.6,22.7,23.5,23.3,23.3,23.1
1996,22.9,23.2,22.4,22.7,22.6,21.9,21.3,21.7,22.8,22.9,22.5,22.6
1997,22.2,22.5,22.9,23.3,23.3,22.5,22.3,21.8,23.3,23.8,23.6,23.6
1998,24.2,24,24.1,24.7,23.3,22.4,22.9,23.6,23.2,23.6,23.4,23.4
1999,22.5,22.7,22.8,22.6,21.6,21.9,21.9,22.3,23,23.1,23.4,22.6
2000,22.4,22.1,21.9,22.3,22.5,21.9,21,22.8,23.2,23.3,24.1,22.6
2001,22.7,23.2,22.1,23.1,22.4,21.1,21.4,22.2,22.6,23.1,23.5,22.4
2002,23,22.5,22.8,23.3,22.7,21.8,21.1,22.3,22.9,23.2,23.1,22.7
2003,23.3,23.1,23.4,22.7,22,21.9,21.6,20.9,22.8,23.5,24.2,22.7
2004,23.1,22.9,22.5,23.1,22.2,21.8,22,22.3,23.1,23.3,23.5,22.8
2005,23.3,22.7,22.8,23.1,23,22.1,21.7,23,23,23,22.9,22.1
2006,22.9,22.5,23,22.7,21.7,22,22.7,22.9,23.1,22.9,23.4,22.6
2007,23.7,22.7,22.4,23.1,21.8,21.4,21.6,22.3,22.5,22.4,23,22
2008,22.7,22.4,22.3,22.7,21.6,21.2,22.4,23.4,23,22.9,23.6,22.7
2009,22.7,22.7,22.6,23.1,22.3,21.9,21.9,22.9,23.4,23.5,24.1,23
