1901,22.1,22.3,22.8,23.2,23.6,23.4,23.3,23.2,23.1,22.9,22.9,22.4
1902,22,22.3,22.7,23.2,23.4,23.3,23.3,23.2,23,22.8,22.9,22.4
1903,22.1,22.3,22.7,23.2,23.6,23.5,23.3,23.2,23,22.9,22.9,22.3
1904,22,22.2,22.6,23.1,23.5,23.3,23.3,23.1,23,22.8,22.9,22.4
1905,22.1,22.2,22.6,23.2,23.4,23.4,23.3,23.2,23.1,22.8,23,22.4
1906,22,22.2,22.7,23.1,23.5,23.3,23.3,23.2,23.1,22.9,23,22.2
1907,21.9,22.1,22.6,23.1,23.4,23.3,23.3,23.2,23.1,22.9,22.9,22.4
1908,22.1,22.2,22.7,23.1,23.5,23.4,23.3,23.2,23.1,22.9,22.9,22.3
1909,22,22.1,22.8,23.1,23.5,23.3,23.3,23.1,23.1,22.9,22.8,22.2
1910,21.9,22.1,22.6,23.1,23.4,23.3,23.3,23.2,23.2,22.8,22.9,22.4
1911,21.9,22.1,22.6,23.1,23.4,23.4,23.3,23.2,23.1,22.9,23,22.3
1912,22.1,22.3,22.7,23.1,23.5,23.3,23.3,23.2,23.1,22.9,22.9,22.4
1913,22,22.1,22.6,23,23.6,23.2,23.2,23.1,23,23,22.8,22.2
1914,22,22.1,22.7,23.1,23.4,23.3,23.3,23.1,23.1,22.9,22.9,22.4
1915,22.1,22.1,22.8,23.1,24.7,24.4,24.1,24.5,23.9,24.2,23.5,22.9
1916,22.5,22.3,22.6,23.8,24.4,24,23.6,23.3,23.6,23.1,22.9,22.1
1917,21.7,21.3,22.7,23.2,23.6,23.1,23.3,23.2,23.2,23,22.7,22.2
1918,21.8,22.2,21.9,23,22.7,22.9,23.3,23.7,23.3,23.5,22.9,22.5
1919,22,22.2,22.6,23.1,23.5,23.4,23.2,23.2,23,22.8,22.8,22.3
1920,22,22.2,22.7,23.2,23.5,23.3,23.3,23.1,23,22.8,22.9,22.3
1921,22.2,22.2,22.1,22.9,22.8,23.1,23.2,22.9,23.2,22.4,22.9,22.3
1922,22,22,22.3,23.3,23.2,22.8,22.6,23.1,23,22.7,22.5,22.1
1923,21.4,21.8,22.7,23.4,23.4,23.4,23,22.9,23.4,22.6,22.9,22.6
1924,22.4,22.5,23.7,23.9,23.8,22.8,22.7,23.7,22.8,22.7,22.7,22.2
1925,21.8,21.8,21.9,23.1,23.5,23.5,22.8,23.1,22.9,23.3,23.1,22.8
1926,22.4,22.9,23.2,24.5,24.3,23.7,23.1,23.1,22.9,23.1,22.9,22.3
1927,21.7,21.9,22.4,22.5,23,23,22.4,23.2,22.7,22.9,23,21.8
1928,21.6,22.3,22.6,23.4,23.4,23.2,23.2,22.9,23,23,22.7,22.1
1929,22,22.6,23,23,23.3,23.2,22.9,22.9,23.1,23,23.1,22.2
1930,22.2,22.1,22.9,23.5,23.3,23.1,23.1,23,23.2,22.5,22.8,22.5
1931,22.1,22.2,22.8,23.6,23.7,23.5,23.2,23.3,23.2,23.1,22.9,22.5
1932,22.1,22.5,22.4,23.8,23.7,23.1,22.8,23.2,23,22,22.4,22.1
1933,22.9,22.4,23,23.8,24.6,24.1,24.6,24.1,23.8,23.9,23.4,22.9
1934,22.5,21.7,22.2,24.4,25.1,23.6,24.2,24.6,24.7,24.4,23.9,23.5
1935,22.4,22.5,23.2,23.5,23.9,24.5,24.2,23.7,24.1,24,23.5,23
1936,22.7,22.1,23.3,23.8,24.6,24,24.3,24.8,24.2,24.2,24.4,22.7
1937,22.5,22.6,23.6,24.1,23.7,23.5,23.4,23.4,23.2,23.2,23.1,22.9
1938,22.6,22.5,22.6,22.9,23.8,24.1,23.6,23.2,23.7,23.5,22.9,22.3
1939,22.5,22,22.2,23.2,23.9,23.8,23.5,24.4,24.1,23.4,23.1,23.1
1940,22.9,23.5,21.2,24.2,24.6,24.2,24.3,24.8,23.8,23.4,23.3,20.3
1941,23.4,19.4,23.8,24.5,25.6,24.8,24.3,24.3,24.1,24.3,24,23.4
1942,22.8,20,21.5,24,23.8,23.8,23.5,23.9,23.6,23.2,23.3,22.7
1943,22.1,21.8,21.7,23.2,23.1,23.1,22.7,23.5,24,23.2,23,22.2
1944,21.7,21.2,22.1,23.8,22.9,22.9,23.1,22.8,23,23.2,22.8,21.8
1945,21.3,21.5,22.4,22.6,22.7,23.5,23.4,23.1,23.2,22.8,22.9,22.2
1946,21.1,21.1,22.1,22.3,23.3,23.6,23,23.3,23.6,23.5,23.2,23.1
1947,22.2,23.3,23.5,23.1,23.5,23.8,22.6,22.6,23.3,23,23.4,22.6
1948,22.3,22.4,22.9,23.3,23.7,23,22,22.1,23,23.1,23.6,22.4
1949,21.1,22.2,22.8,23.1,22.5,21.7,21.6,22.4,21.3,22.3,21.6,20.1
1950,21,19.4,19.6,22.7,22.9,22.7,22.5,22.2,22.7,22.5,22.5,22.2
1951,21.9,22.5,22.4,24.4,24.2,24.3,23.8,23.8,24.1,23.9,23.9,22.8
1952,23,22.4,23.6,24.3,24.5,24,23,23.3,22.4,23.3,22.9,22.5
1953,22.5,21.6,22.3,23.4,23.2,23.4,23.4,23.6,23.2,23,22.5,22.2
1954,21.4,21.3,22,22.4,23.6,23.3,23,23.5,23,22.5,22.1,22.2
1955,22.6,22.4,21.8,22.9,23.2,22.5,22.7,21.9,22,21,21.6,21.7
1956,21.3,22.3,22.2,22.9,22.4,22.1,22.1,22.2,22.3,21.9,21.8,21.3
1957,22.9,22.6,23.2,23.7,23.8,24.3,24.2,24.1,24,23.4,24.6,23.3
1958,23.1,23.3,24.2,24.6,24.1,23.3,23.3,23.8,23.3,22.7,22.6,22
1959,21.4,20.9,21.8,22.8,23.9,23.5,23.5,23.3,23.4,22.4,22.5,22.9
1960,21.3,22.2,22.7,23.6,23.8,23.7,22.9,22.9,22.7,22.7,22.5,22.1
1961,22.6,22.1,22.8,23.6,23.7,23.5,22.8,23.4,22.9,23.1,22.5,22.8
1962,21.4,21.4,21.6,22,22.4,22.2,22.6,22.3,22.4,22.5,22.3,22.2
1963,21.8,21.9,22.1,22.8,22.9,23.2,22.9,23.1,23.6,23.3,22.9,22.5
1964,21.1,21.8,21.9,21.6,22.3,22.3,22.6,22.6,22.7,22.3,22.9,21.1
1965,21,21.6,22,22.1,23.1,22.7,23,22.9,22.9,23,23,23
1966,23,22.6,21.8,23.2,23.1,23.1,23.2,23.3,23.3,22.8,22.8,22.4
1967,21.9,21.5,21.7,22.7,22.9,23.1,23,23.3,22.6,22.9,23,21.9
1968,21.1,22,22.4,23.3,23.4,23.4,23.9,23.2,23.3,23.2,23.7,22.9
1969,22.4,22.4,24.2,23.9,24.9,24.3,24.2,22.7,23.2,22.3,22.3,23.3
1970,22.6,22.8,23.1,23.6,23.7,23.8,23,22.9,22.8,23.1,23,23
1971,22.2,22.4,23,23.3,23.1,23.5,23,22.4,22,22.4,22.4,20.9
1972,21.2,21.6,22.7,23.1,23.6,23.8,23.9,23.4,23.6,22.9,22.7,22.4
1973,22.4,22.5,23.5,23.5,23.5,22.9,23.6,23.1,22.9,22.9,22.6,21.8
1974,21.7,21.5,22.2,23.1,23.3,23.5,23.6,23.2,22.6,23.2,22.7,22.8
1975,22.4,22.1,23.1,23.1,23.7,23.9,23.1,23.6,23.1,22.9,23,22.2
1976,22,22.4,22.4,23.2,24,23.7,23.7,23.4,23.7,23.7,23.6,22.5
1977,22.3,22.9,23.4,23.5,23.9,24.3,23.8,24,24.4,24.1,24,23.1
1978,22.5,23.6,23.6,24.4,24.5,24.4,23.9,23.9,24,23.6,23.7,22.6
1979,22.1,22.8,23.7,23.6,24.1,23.8,23.7,23.9,23.4,22.9,23.2,23
1980,22.7,22.9,23.1,23.7,24.2,23.8,23.8,24,23.5,22.8,23.3,22.4
1981,22.3,22.7,23.5,23.9,23.9,23.3,23.7,23.5,23,22.9,23.1,22.9
1982,21.9,22.6,22.8,23.9,23.9,24,23.7,23.6,23.3,23.2,23.1,22.7
1983,22.7,22.6,24.3,24.1,24.2,24,23.9,23.8,23.6,23.4,23.8,22.5
1984,22.2,22.7,23.1,23.4,23.3,23.9,23.1,23,23,23.2,22.9,22.3
1985,21.2,22.5,22.3,22.8,23.6,23.6,22.8,22.8,23.2,23.4,22.5,21.5
1986,21.5,21.4,22.2,23.2,23.5,23.4,23.2,23.6,23.9,22.7,23.3,22.6
1987,22.9,23.9,24.3,25,24.2,24.5,24.2,23.7,23,23.4,23.4,23
1988,21.6,22.5,22.3,23.3,24,22.5,22.9,23.2,23.7,23.3,23.3,22.3
1989,21.7,21.8,23,23.8,23.5,23.5,23.8,24.1,24,24.1,23.6,22.1
1990,22.3,21.4,22.3,22.8,23.2,23.1,22.7,23.1,22.3,22.2,23.6,22.2
1991,22,22.4,23.3,23.5,23.8,23.9,23.7,23.8,23.6,23.2,23.2,22.1
1992,22,22.4,22.6,23.5,23.6,23.8,23.2,23.3,23,23.1,23,22.5
1993,22.5,22.5,22.9,23.5,23.7,23.9,23.6,23.5,23.3,23.8,23.2,22.8
1994,21.4,22.2,23.1,23.3,23.6,23.7,23.3,23.8,23.9,23.4,23.1,22.4
1995,22.5,22.4,23,24,23.1,23.3,23.6,23.1,23.7,23.2,23.3,23.3
1996,22.6,25.1,24.8,24.4,23.7,23.8,23.4,25.1,23.9,24.6,24.6,22.3
1997,22.5,24.1,23,24.5,23.8,25.4,23.6,23.9,25.6,25.4,25.1,25.3
1998,24.4,23.6,24.5,25.2,25.5,24.8,25.1,25.5,25.3,24.6,25.1,24.7
1999,23.7,23.4,23.2,23.4,23.4,23.3,23.2,22.8,23.2,22.4,22.5,23.5
2000,21.7,22.1,22.3,22.8,23.2,23.3,22.9,23.4,23,23.2,23,22.5
2001,21.8,21.3,22.3,22.9,23.4,23.2,23.3,24.5,23.6,23.3,22.9,23.1
2002,22.7,22.3,22.9,23.5,23.7,23.7,23.5,23.6,25.2,25.4,25.2,24.9
2003,24.1,25.2,24.4,24.6,25.5,24.5,24.6,24.1,23.6,24.7,24.8,24.8
2004,23.7,24.2,24.1,24.4,23.7,23.6,23.3,25.4,24.8,22.7,23.7,24.2
2005,24.1,23.8,25.4,25.2,25.3,25.3,24,24.6,25,24.3,23.9,24.5
2006,24.1,22.3,24,24.5,25.5,25.1,24.7,25.4,25.3,25.2,24.4,24.7
2007,23.3,23.7,24.3,24.6,24.8,25.5,23.8,24.5,24.3,23.7,23.5,24.6
2008,22.5,22.7,23.1,23.8,24.2,24.2,23.7,23.7,23.6,23.6,23.3,23
2009,22.9,22.3,23.3,23.7,23.8,24.1,23.7,24,24.4,24,24.3,23.7
