1901,22.3,23,23,22.6,22.8,22.5,22.6,22.9,22.8,22.3,21.9,22.2
1902,22.3,23,22.9,22.5,22.7,22.4,22.6,22.9,22.8,22.3,21.9,22.2
1903,22.3,23,22.9,22.5,22.8,22.6,22.6,22.9,22.8,22.3,21.9,22.1
1904,22.3,22.9,22.9,22.4,22.7,22.5,22.5,22.8,22.7,22.2,21.9,22.2
1905,22.3,22.9,22.9,22.5,22.7,22.5,22.6,22.9,22.8,22.3,22,22.2
1906,22.2,22.9,22.9,22.5,22.7,22.4,22.6,22.9,22.8,22.3,22,22
1907,22.1,22.8,22.8,22.4,22.6,22.5,22.6,22.9,22.8,22.3,21.9,22.2
1908,22.3,22.9,22.9,22.5,22.7,22.5,22.6,23,22.8,22.3,21.9,22.1
1909,22.2,22.9,23,22.4,22.7,22.4,22.6,22.8,22.8,22.3,21.8,22
1910,22.2,22.8,22.8,22.4,22.6,22.5,22.6,22.9,22.9,22.2,21.9,22.2
1911,22.2,22.8,22.8,22.4,22.6,22.5,22.6,22.9,22.8,22.3,22,22.2
1912,22.3,23,23,22.4,22.7,22.5,22.6,22.9,22.8,22.3,21.9,22.2
1913,22.2,22.8,22.8,22.4,22.8,22.4,22.5,22.8,22.7,22.4,21.9,22
1914,22.2,22.9,22.9,22.4,22.6,22.4,22.5,22.8,22.8,22.3,21.9,22.2
1915,22.3,22.9,23,22.4,24,23.6,23.9,24.5,23.7,23.9,22.7,23
1916,22.6,23,22.9,23.5,23.7,23.2,23.3,22.9,23.5,22.4,21.9,21.8
1917,21.6,21.7,22.7,22.6,22.8,22,22.8,22.8,22.9,22.4,21.9,22.2
1918,22.1,22.6,21.6,22,21.5,21.6,22.7,23.5,23,22.9,21.8,22.2
1919,22.2,22.9,22.9,22.4,22.8,22.5,22.5,22.9,22.7,22.2,21.8,22.1
1920,22.2,22.9,22.9,22.5,22.8,22.4,22.5,22.8,22.7,22.2,21.9,22.1
1921,22.4,22.7,21.8,21.8,21.9,22,22.7,22.4,22.8,21.4,21.6,21.9
1922,22.1,22.4,22,22.4,22.2,21.5,22,22.7,22.6,21.8,21.1,21.5
1923,21.3,22,22.5,22.5,22.5,22.3,22.5,22.5,23.1,21.9,22.1,22.3
1924,22.5,23.4,24.3,23.2,22.9,21.7,21.8,23.5,22.3,21.9,21.7,21.6
1925,21.5,22.1,21.7,22.3,22.7,22.5,22.1,22.6,22.3,22.6,21.9,22.6
1926,22.7,23.8,23.5,23.9,23.8,22.9,22.6,22.8,22.4,22.5,21.9,21.9
1927,22,22.3,22.6,21.5,21.9,21.8,21.4,22.9,22.2,22.4,22.2,21.6
1928,22,23,22.8,22.8,22.8,22.2,22.6,22.6,22.7,22.5,21.7,22
1929,22.1,23.2,23.2,22.1,22.3,22.3,22.5,22.7,22.9,22.7,22.1,22
1930,21.8,22.6,23.1,22.4,22.5,22.1,22.3,22.6,22.6,22,22.3,22.5
1931,22.7,23.3,23.7,23.1,23.3,22.7,22.4,22.9,22.7,22.5,22,22.1
1932,22.2,22.8,22.7,23.1,22.4,22.3,22.2,22.9,22.8,22,22.1,22.2
1933,22.3,22.7,23.6,22.9,22.9,22.7,22.9,23.1,23.5,21.8,21.9,22.4
1934,22.2,22.5,22.5,23.4,23.2,22.8,22.8,23.1,24.4,22.5,22.4,22.5
1935,22.4,23,23,23.3,22.4,22.5,22.7,22.7,23.4,22.6,21.8,22.4
1936,22.9,23.5,23.7,23.4,23,22.6,23.1,24.1,23.6,22.6,22.6,22.2
1937,22.3,23.1,23.9,23.5,22.9,22.6,22.8,23.2,23,22.7,22.5,23
1938,22.3,23,22.1,22,22.3,22.3,22.5,22.3,23,22.5,21.7,21.9
1939,22.1,22.2,22.6,22.4,23,22.3,22.8,23.6,23.4,22.4,22.3,23.3
1940,22.9,24.4,23.8,23.5,23.8,23,23.5,24,23.6,22.8,22.1,22.6
1941,23,24.5,24.5,23.6,23.4,22.8,22.7,24,24.1,23.9,23.6,24
1942,21.3,21.6,22.2,21.4,22.9,23.3,23.7,23.7,23.6,22.9,20.9,23
1943,22.5,22.9,22.2,22.5,22.2,21.8,22.9,22.7,23.8,22.6,22.4,22.7
1944,22.9,23.5,23.5,23.7,22.4,22,23.2,23.4,22.9,22.4,22.1,22.7
1945,21.3,21.3,22.4,19.8,20.1,20.8,21,21.7,21.9,21.4,21.4,22.3
1946,21.8,22.6,22.5,21.4,21.4,21.5,21.3,21.9,22.3,22.4,22,23.2
1947,22.9,24,24.4,23.1,22.6,21.7,22.1,22.5,22.6,22.2,22.8,23.1
1948,22.5,23,23,21.5,22.2,21.9,22,22.4,23.1,22.8,22.7,23.3
1949,22.3,22.6,22.6,23,24.1,23.7,23.3,23.4,23.2,22.9,23.1,23.2
1950,22.2,23.2,23.3,22,21.9,21.7,21.8,22.5,22.7,21.9,22.1,22.4
1951,20.8,20.8,21.3,22.2,22.1,21.7,22,22.8,23,22.7,21.7,22
1952,21.6,22.6,23.1,22.4,22.4,22.3,23,23.5,24.6,23.6,22.3,23.4
1953,23.3,23.5,23.4,23.9,22.7,23.6,22.6,23.3,24.1,23.4,23,23.4
1954,22.3,23.4,23.9,22,22.8,22.5,21.8,22,23.3,22.7,22,22.1
1955,23.1,22.8,22.1,22.9,24,24.1,22.2,24.6,24.2,24.2,24.8,24.7
1956,21.6,22,22.8,23,23.2,23.2,23,23.4,24.3,23.7,23.6,23.5
1957,23.7,24.2,25.3,24.9,24.6,23.3,23.8,24.4,24.7,24.1,24.2,24.7
1958,25.7,26.9,27.6,23.8,23.4,23.9,23.2,24.1,24.9,23.8,24.5,24.8
1959,24.2,25,25.5,24.6,23.4,23.8,23.2,23.4,23.9,23.5,23.1,24.4
1960,24.7,24.9,24.8,24.4,23.1,24.2,24,23.8,23.6,23.7,23.3,21.9
1961,22.8,23.2,23.5,23.8,24.3,23,22.7,23.9,23.2,23.1,21.5,23
1962,22.7,23.4,23.2,23.3,22.7,22.1,23.4,22.5,23.2,22.5,21.8,22.5
1963,22,23,22.7,21.9,21.5,22.9,22.9,22.7,23.4,23.4,21.9,23.7
1964,23.2,24.1,23.4,22,22.9,21.2,21.5,22.3,22.6,22.3,22.2,21.5
1965,20.7,22.9,23.9,21.9,21.5,22.7,23.1,22.7,22.8,22.3,21.5,22.8
1966,23.5,23.5,23.7,23.4,22.7,21.9,22.2,23.1,23,22.3,20.9,20.9
1967,21.7,22.3,21.7,20.8,22.2,21.8,21.4,22.7,22.9,22.7,21.7,22.1
1968,21.8,22.8,22.3,21.4,22.2,20.9,21.4,22.2,22.5,22.2,22.2,22.4
1969,21.9,23.1,25,23.3,24.5,24.1,23.9,23.1,23.6,22.2,22.3,22.9
1970,22,24,23.7,23.6,22.8,22.3,22.3,22.2,21.8,21.8,21.2,21.7
1971,21.2,21.5,21.5,21.7,21.5,21.7,22,21.7,21.7,21.8,21.3,21.3
1972,20.5,22.1,21.7,21.1,22.2,22.6,23.3,22.9,23.9,23.1,22.5,22.5
1973,24,23.6,24.3,24,23.3,22,22,22.3,21.6,21.9,20.7,20.7
1974,20.5,21.7,20.7,22.2,21.9,23,22.3,22.6,21.6,21.8,21.6,22.2
1975,21.3,22.8,22.4,22,21.8,22.1,21.7,21.7,22,21.5,21,19.7
1976,20.6,20.6,20.9,21.8,22.1,21.4,22.3,23.1,23.8,21.7,21.8,22.4
1977,22.8,24.1,23.5,22.8,22.9,22,22.7,22.9,23.5,23,22.3,23.2
1978,22.7,22.7,22.7,21.6,22.6,21.8,23,23.3,23.1,22.6,22.7,22
1979,22.5,23.7,23,22.9,22.9,22.4,23,22.9,22.2,22.6,21.8,21.7
1980,22.7,22.7,23.9,23.8,23.5,23.3,23.4,23.8,23.5,23.2,22.6,23.6
1981,23.4,23.5,23.7,21.9,22.1,21.9,22.8,23.1,22.9,22.8,23.2,23.2
1982,22.3,22.4,22.6,21.8,22.6,23.2,23,24.4,23.9,22.5,22.2,22.5
1983,24,25.2,25.1,23.4,23,24,23.6,24,23.7,22.7,23.5,22.3
1984,22,23.3,23.6,24.2,22.8,23,22.6,22.7,21.8,22.7,21.9,21.6
1985,21.8,23.2,22.2,22.8,23,23.2,23,22.8,22.7,22.7,21.6,22
1986,22.5,21.8,22.8,22.5,23.2,23.1,24.1,23.9,23.5,22.1,22.1,23
1987,23.7,24.8,24.7,24.7,23.8,24.5,23.3,24,23.9,22.6,23.4,23.7
1988,23.5,23.7,23.6,23.5,24.1,23,23.1,22.3,22.5,22.5,22,21.4
1989,22,22.6,21.7,23.2,22.8,22.7,23.1,23.6,22.6,22.9,23,22.8
1990,22.5,22.1,22,22.9,22.6,23.7,23.7,24,23.2,22.1,22.1,21.6
1991,22.1,23.3,22.4,22.4,22.6,23.1,23.2,24,24.1,23.1,22.3,22
1992,23.3,24,24.3,24.2,24,24,22.6,23.1,23,23.4,22.4,22.1
1993,22.4,23.2,23.6,23.1,22.2,23.6,23.4,23.8,23,23.7,22.6,23.2
1994,22.6,23.2,23,23,22.7,22.9,22.7,23.1,23.7,22.5,22.7,23.2
1995,23.9,24.1,23.5,23.7,23.9,23.4,23,23.2,24.1,22.7,23.1,23.3
1996,22.9,23.6,23.4,23.8,22.8,22.6,22.4,23.5,23.8,22.4,21.9,22.8
1997,22.2,22.7,22.9,23.8,24.2,23,24.3,25.1,24.2,24.2,23.8,25.1
1998,25.1,25,24.5,23.8,23.9,23.4,23.5,23.5,23.3,23.6,22.6,22
1999,22.3,21.9,22.6,23.4,24,23.3,23.4,23.6,22.6,23.3,23.4,22.5
2000,21.8,22.5,22.5,23.7,23.7,23.2,23.4,23.7,22.8,23.9,22.6,23.7
2001,23.5,23.7,23.9,23.6,24.4,23.8,24.1,24.3,24.6,23.9,23.3,23.9
2002,23.8,23.7,23.7,22.7,24.6,23.5,24.4,25.4,25.3,23,21.5,24.3
2003,25.3,25.1,24.6,24.4,24.3,23,23.3,23.2,24.3,23.6,23.8,23.5
2004,22.9,24.6,25.2,23.2,23.6,24.5,23.7,25,22.5,23.9,23.2,23.6
2005,22.6,23.2,25.3,25,24,24.6,25,24.9,24.9,23.5,22.8,23.1
2006,23.4,24.1,21.2,22.8,21.5,23.8,23.9,24.6,24.8,24,23.9,23.7
2007,21.4,24.8,23.6,23.8,24.1,23.7,24.2,23.4,23.2,23.3,23.2,24.2
2008,23.1,23.6,23.3,23.5,23.2,23.7,23.4,23.4,24.7,23.4,21.8,23.2
2009,23.6,22.6,22,24.2,24.4,24.6,24.4,25.2,24,24.7,23.2,24.6
