1901,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1902,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1903,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1904,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1905,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1906,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1907,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1908,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1909,23.1,23.4,23.4,23.1,22.8,22.3,22.2,22.6,22.9,23.3,23.4,23.2
1910,23.3,23.5,23.3,22.8,22.8,22.5,22.4,22.6,23.1,23.3,23.5,23.3
1911,23.1,23.6,23.6,23.2,22.8,22.3,22.2,22.7,23.1,23.6,23.7,23.5
1912,23.1,23.4,24,23.5,22.9,22.7,22.2,22.9,22.8,23.7,23.9,23.2
1913,23.2,23.9,23.6,23.3,22.8,22.5,22.4,22.4,23,23.4,23.7,23.6
1914,23.9,23.8,23.8,23.3,23,22.5,22.7,22.7,23.4,23.6,23.8,23.7
1915,23.6,23.8,24,23.5,23.8,22.7,22.7,23.3,23.1,24,23.4,23.5
1916,23.3,23.5,23.5,23.5,23,22.1,22.5,22.6,23.2,23.1,23.3,22.8
1917,22.8,22.9,23.1,22.6,22.3,21.8,22.2,22.1,22.4,22.9,23.1,22.5
1918,22.5,23,23.2,22.8,22.4,22.1,22.1,22.5,22.9,23.6,23.5,23.3
1919,23.2,23.7,23.6,22.9,22.8,22.7,22.3,22.4,22.7,23.1,23.6,23.1
1920,23.1,23.4,23.5,23.1,22.7,22.2,22.1,22.4,22.9,23.7,23.4,22.9
1921,23,23.1,22.7,22.5,22.3,21.9,21.5,22.1,22.6,23,23,23.2
1922,22.9,23,22.9,22.7,22.2,21.9,21.8,22.2,22.6,23.1,23.1,22.5
1923,22.1,23,22.8,22.4,22.1,22.1,21.4,22.3,22.7,23.5,23.5,22.7
1924,23.9,23.8,23.8,23.3,22.5,21.5,22,22.1,22,22.4,23.1,22.5
1925,22.3,22.4,22.5,22.8,22.8,22.2,22.1,22.3,22.5,23.8,23.5,23.7
1926,23.5,23.9,24,23.4,22.6,22.3,22.1,22.6,22.8,22.6,23.3,22.4
1927,22.3,22.5,22.6,22.4,22.1,21.7,21.2,21.7,22.1,22.3,23,23.2
1928,22.8,22.9,22.8,22.7,22.3,22.1,21.6,21.9,22.2,22.7,22.9,22.5
1929,22.8,23.1,22.5,22.3,22.1,22,21.3,22.1,22.5,23.1,23.1,22.3
1930,22.4,22.9,23.4,22.7,22.5,22.1,21.6,22.2,22.3,22.8,23.4,23
1931,23.7,23.8,23.7,23.4,22.9,22.4,21.8,22.5,22.7,23.2,23,22.6
1932,22.6,23.3,22.8,22.6,22.4,22,22.1,22.4,22.6,23,23.8,22.9
1933,22.8,22.6,22.7,22.7,22.5,21.6,21.8,22.4,22.8,22.2,22.3,22.1
1934,22.3,21.9,22.3,22.4,22.5,22.3,22,22.3,22.5,22.1,22.9,22.8
1935,23.1,22.9,23,22.6,22,21.7,22.3,22.1,22.4,23.5,23.1,23.3
1936,22.3,23.2,22.9,22.3,22.8,22.3,22.1,22.4,22.8,23,23.7,23.1
1937,22.5,23,23.2,22.6,22.5,22.3,22.3,22.6,23,23.2,23.9,23.8
1938,23.3,23.6,22.6,22.1,21.9,21.7,22.6,22,22.7,23.5,23.3,23.2
1939,22.2,22.5,22.3,21.7,22.4,22.1,22.3,22.3,22.3,23.6,24.1,24
1940,23.2,23.6,23.6,22.8,22.9,22.5,22.7,21.9,22.8,23.5,24,22.4
1941,22.6,23.6,23.8,23.4,23.1,21.9,22.5,22.7,22.5,23.8,24.2,23.7
1942,23.3,22.9,23.7,23.2,22.4,21.7,21.8,22.5,22.7,23.4,23.7,23.1
1943,22.8,22.4,22.2,22.2,22.2,21.9,22.4,21.8,22.3,23.8,23.7,23.1
1944,22.5,22.3,22.4,22.5,22.4,22.1,22.7,22.5,22.4,23.6,23.8,23.4
1945,22.8,22.8,23.1,22.7,22.1,21.8,22.4,22.6,22.8,23.3,23.3,23.2
1946,22.5,22.6,23,22.5,22.4,22.1,22.1,21.9,22.3,23.4,23.5,23.6
1947,22.8,23.4,23.8,22.7,22.3,22.3,22.4,21.9,22.3,23.3,23.2,23.4
1948,22.7,22.8,22.8,22.4,22.3,21.7,22.3,22.1,22.7,23.7,23.7,23.6
1949,22.3,22.4,23,22.2,22.1,21.8,22,22,22.3,23.1,23,23.4
1950,22.3,22.4,22.6,22.7,22.2,21.9,22,21.9,22.7,22.9,23.7,23
1951,22.4,22.3,22.6,22.4,22.4,21.9,22.3,22.5,22.9,23.5,23.7,23.5
1952,22.9,23.1,23.9,23,22.6,22.2,22.3,22.2,22.2,23.5,23.8,23.5
1953,22.8,22.5,22.8,22.7,22.7,22.5,22.2,22.7,23.1,24.1,23.9,23.6
1954,22.7,23.1,23.1,23,22.8,22.3,22.2,22.3,22.5,23.2,23.2,22.9
1955,22.9,22.8,22.5,22.4,22.6,22.3,21.7,22.1,22.5,23.6,23.2,23.1
1956,22.5,22.4,22.7,22.6,22.1,22.1,22.2,21.7,22.4,22.9,23.3,23.3
1957,22.4,23.5,23.3,23.2,22.9,22.3,22.2,22.5,23.3,23.6,23.6,23.7
1958,23.9,23.7,23.5,23.1,23.2,22.9,22.7,22.8,23.8,23.7,23,23.7
1959,23.7,23.1,23.2,23,22.5,22.1,22.7,22.5,22.3,22.7,23.3,23.4
1960,23.2,22.9,23.4,22.5,22.3,22.1,21.9,22.6,22.3,23.6,23.5,23.8
1961,23.4,23.4,23.7,23.4,23.3,22.1,22.3,22.4,22.8,23.4,23.8,22.8
1962,22.8,23.1,23.2,23.1,22.6,22,22.1,22.5,22.9,23.8,23.8,23.7
1963,22.9,22.6,23.5,22.5,22.8,22.2,23,23.1,23.1,24.2,23.4,23.6
1964,24.2,24.3,23.9,23.1,23.2,22.4,22.4,23,23.1,22.8,22.9,22.6
1965,23.3,23.1,23.5,23.6,23.1,22.5,22.7,22.3,23.5,24.1,23.3,23.3
1966,24,23.9,23.1,23.5,23.5,22.7,22.3,22.4,22.6,24.1,23.4,22.9
1967,22.4,23.2,22.9,22.5,22.7,22.3,22.9,22.3,22.6,23.1,23.7,23.1
1968,22.7,23.5,22.9,22.8,21.9,22.1,22.5,22.4,22,23.2,23.2,23.3
1969,22.7,23,23.6,23.5,23.5,22.7,22.5,22.3,23.2,23.5,24.2,23.1
1970,23.3,23.1,23.4,23,23.1,22.4,22.3,22.4,22.2,24.2,23.4,23.1
1971,22.4,22.1,22.3,22.1,22,21.7,22.6,22.8,22.9,23.2,23,23.8
1972,22.1,22.7,22.9,22.7,22.6,22,23.8,22.5,22.9,23.8,24.7,25.1
1973,24.3,23.9,23.8,23.2,22.8,22.7,22.3,22.6,22.3,25.1,23.3,22.4
1974,22.5,22.9,23,23.3,23.1,22.2,22.1,22.5,22.3,21.7,22.8,22
1975,22.7,22.8,23.2,22.9,22.6,22.5,21.7,22.3,22.5,22.8,23.1,23.2
1976,22.3,22.5,22.2,22.4,22.6,22,22.3,23.2,23.2,23.9,22.7,22.8
1977,24.1,23.5,23.4,23.3,22.4,21.9,22.7,23.1,23,23.1,23.3,22.9
1978,23.3,24.1,23.7,23.1,22.8,21.9,22.3,21.8,22.9,22.9,23.5,25.4
1979,23.5,24.1,23,22.8,23.1,22.2,22.4,23.2,23.7,23.1,23.6,22.8
1980,23.8,24.7,23.8,23.4,23,22.4,22,21.9,22.8,22.4,22.9,23.2
1981,22.8,22.7,23.7,23.2,22.9,22.4,21.5,21.9,22.4,23.5,23,22.7
1982,23.1,23.5,23.7,23,22.4,22.8,21.5,22.6,23.2,22.9,23.8,22.6
1983,24,24.3,24.2,23.4,23.9,22.7,20.7,22.9,23.6,22.8,23,21.9
1984,22.6,22,23.6,23.6,23.5,22,21.7,22.3,22,23.3,23.5,23.3
1985,25.4,22.9,23.4,24,22.9,21.6,21.4,22.2,22.4,22.9,22.5,22.4
1986,21.8,25.5,24.1,22.1,22.6,22.2,20.7,23.1,23,22.9,22.7,22.5
1987,23.4,23.1,24.1,23.5,22.6,22.4,24.3,22.6,23.6,25.1,24.4,25.6
1988,24.4,23.8,24.4,23.8,23.7,22.4,22,23.6,23.4,23.8,23.5,23.5
1989,22.7,22.7,22.9,23.5,22.4,21.9,20.8,23.2,23.6,23.8,23.1,22.7
1990,23,23.3,23.8,23,23.3,22.9,21.4,23.1,23.3,23.1,23.2,22.9
1991,23.2,23.8,23.8,23.4,23.4,22.9,21.7,21.7,22.6,22.8,23.3,23.1
1992,23.1,24.1,23.7,23.4,22.8,22.8,20.8,21.9,22.8,23.1,22.7,23
1993,23.2,23.8,22.7,23,22.5,22.6,21.8,23.3,22.3,23.9,23,22.5
1994,23.2,23,23.4,22.4,22.7,21.7,21.6,22.7,22.6,22.9,22.7,22
1995,24.2,24.3,23.8,24,23.6,23.1,22.5,22.8,23,23.5,23.5,23.5
1996,23.6,25,23.7,23.6,23.5,21.9,24.1,21.7,22,23.4,23.8,25.1
1997,23.1,22.9,23.1,23.7,23,23.1,24.1,23.3,22.9,24.3,23.6,23.2
1998,23.4,24.3,24.6,24,23.4,22.9,22.9,23.9,23.7,23.7,23.6,23.4
1999,24.4,23.1,23,22.2,22.7,22.8,22.6,22.3,22.9,23.7,23.8,23.6
2000,23.3,23.4,23.2,23.4,24,23.1,22.6,23.4,23.5,23.8,24.2,23.4
2001,23.4,23.1,24,23.6,23.5,22.7,23.2,23.7,23.9,24.5,24.7,23.6
2002,24.5,24.6,23.9,23.7,23.1,22.2,23.4,23.1,23.7,24.2,23.7,23.5
2003,25.4,25.1,24.6,24.2,23.8,23.2,23,23.4,23.5,24.1,24.5,23.6
2004,24.8,24.2,24.3,24.1,23.1,23.2,22.4,23.1,23.5,24.9,24.4,23.9
2005,24.9,24.1,24.8,23.7,23.7,23.2,22.8,23.5,23.6,24.5,24.8,23.7
2006,23.7,23.8,24,23.9,22.9,23.1,22.3,23.5,23.8,24.8,24.1,24.2
2007,24.2,25.2,24,23.8,23.9,22.9,23.4,23.1,23.4,24,24.1,23.6
2008,23.1,23.2,23.6,23.7,22.6,22.9,22.9,23.3,23.5,23.7,23.7,22.7
2009,23,23.2,23.4,23.7,22.3,22.7,22.8,23.4,23.7,25,24.8,23.5
