1901,22.2,22.8,23.7,23.3,23.9,24,23.5,23.5,22.6,23,22.9,22.2
1902,20.6,22.4,22.6,23.4,23.5,24,23.4,23.2,22.7,22.6,22.6,22.6
1903,21.6,21.5,23.2,24.1,24.1,23,23,22.9,22.5,22.5,21.7,20
1904,19.7,20.6,22.2,22.6,23.3,23.4,23,23.4,23,23,22,21.1
1905,21.6,22.4,23,24,23.3,23.4,23.3,23.6,23.2,23.1,22.9,23.6
1906,22.4,22.6,22.8,24.5,24.6,23.8,23.4,23.6,23.4,22.7,22,22
1907,21,21.8,21.9,23.3,23,23.3,23,22.9,23,22.6,22.5,20.6
1908,20.9,21.3,22.3,23.5,23.2,23.3,22.9,22.9,22.8,22.7,21.6,21.6
1909,21,21.8,22.4,23.1,23.1,23.3,22.8,23.1,22.9,22.9,21.8,21
1910,21.4,21.1,21.7,23,23.4,23.1,23.2,23.2,22.4,22.5,22.3,20.8
1911,21.1,21.9,22.7,23.5,23.7,23.7,23.6,23.7,23.3,23,24,23
1912,21.7,22.4,23.4,24.2,24.4,23.8,23.2,23.2,23.1,22.9,22.4,22.3
1913,21.5,22.5,23.3,24,23.9,23.3,23,23.5,23.1,23.1,22.7,22.3
1914,21.2,22.2,23,24,24.6,23.5,23.2,23.3,23.5,23.5,23.7,22.9
1915,21.9,22.9,23.4,24.1,24.2,23.2,23.6,23.1,23.4,23,22.7,21.1
1916,20.5,21.8,23.2,24,23.7,23.5,23.2,23.3,23.1,23,22.3,21.4
1917,20.8,21.7,22.2,23.9,23.4,23.4,23.1,23,22.8,22.6,22.5,21.4
1918,20.5,20.4,22.4,23.2,23.1,23.2,23.6,23.4,23.4,22.9,23.3,22.4
1919,22.3,22.5,23.3,24.1,24.2,23.6,23.3,23.8,23.5,23.4,22.8,22.3
1920,20.9,21.6,23.3,23.8,24,23.7,23.4,23.4,23.2,22.7,23.1,21.7
1921,21.5,21.4,23,23.7,23.4,23.2,22.9,23.3,22.8,22.7,22.1,22.1
1922,21.6,21.9,22,23,23.6,23.4,22.8,23.1,23.3,22.8,22.4,21.6
1923,21,21,22.5,23.2,23.3,23.4,22.4,23,22.6,22.8,22.9,22.6
1924,21.8,21.7,23,23.5,23.6,23.5,22.7,23.6,22.5,22,22.8,21
1925,21.1,21,22.4,23.1,23.8,23.5,23.4,23.3,23.3,22.6,22.8,21.4
1926,21.3,22.1,22.9,24.4,24.7,24,23.4,23.3,23,22.7,22.8,22.1
1927,21.2,21.9,23.1,23.1,23,23.4,23.2,23.3,23.3,22.6,22.7,22.1
1928,22,21.9,22.5,22.9,23.6,23.4,23.3,23.2,23.1,22.6,22.8,22.7
1929,21.6,21.4,22,23.3,23.6,23.1,23.3,23.3,23.3,22.4,22.5,22.5
1930,20.9,21.2,22,22.9,23.8,23.2,23.4,23.7,23.3,23.2,22.9,22.1
1931,21.9,21.2,22.9,24.3,24.1,23.9,23.5,23.9,23.3,22.8,22.3,21.6
1932,20.5,21.4,22.2,23.4,23.9,23.5,23.5,23.6,23.1,23.2,23,21.4
1933,21.7,21.4,22.7,23.8,24.1,23.6,23.4,24,23.1,23,22.3,21.4
1934,21,21.2,22.4,23.4,24.3,23.7,23.7,23.5,23.6,23,22.8,21
1935,21.2,21.4,23.3,23.7,23.7,23.6,23.6,23.6,23.2,23.4,22.8,22.1
1936,21.2,21.8,22.3,23.8,24.3,23.5,23.4,23.3,23.4,22.7,22.6,22.6
1937,21.4,21.7,23.1,24,23.5,23.4,23,23.4,23.3,22.6,23,22
1938,21.8,22.2,23,23.8,23.3,23.1,22.9,23.6,23.5,23.1,22.2,21.7
1939,23.2,21.2,22.4,23.5,24.1,22.8,23.3,23.5,22.9,22.5,22.9,20.3
1940,18.8,20.7,21.4,23.4,23.5,23.8,23.1,22.9,23.3,23,22.8,22.3
1941,21.6,22,22.4,24.4,23.6,23.5,23,23.9,23.7,23.4,23.7,23
1942,21.1,21.7,22.4,23.4,23.2,23.1,22.6,22.8,22.7,22.8,22.2,21.6
1943,19.7,20.4,21.9,22.1,22.9,22.5,22.3,22.2,22.2,22.2,21.9,21
1944,20.9,21.5,22,23.2,23,22.7,22.5,22.8,22.9,22.6,22.1,20.9
1945,20.9,21.8,22,22.7,22.8,22.9,22.9,22.7,22.4,22.1,22.5,21.8
1946,20.9,22.1,23.1,23.4,23.5,23.4,22.9,22.9,22.8,22.6,22.7,22.7
1947,22.1,22,23.2,23.7,23.8,23.3,23,22.5,22.8,22.9,22.3,21.8
1948,22.4,22.5,24.1,24.4,24.4,24.5,23.9,24.4,23.9,23.6,22.9,21.8
1949,20.5,22.3,23.9,24.2,24.4,24.2,23.6,23.5,23.7,23.6,23.4,22.9
1950,21.9,22.8,23.6,24,24.3,23.9,23.3,23.6,22.9,23.4,23.3,21.9
1951,20.7,20.5,21.4,22.4,23.1,22.9,22.5,23.3,23,22.7,23,22.2
1952,21.5,21.9,22.5,22.7,22.7,23,22.8,22.7,23,22.8,22.1,20.3
1953,21.5,21.8,22.2,23,23.4,23.1,22.5,23.3,22.7,22.4,22.4,21.4
1954,21.4,21.3,22.6,23.6,23.3,23,22.3,22.9,22.6,21.9,21.7,21.4
1955,20.5,20.7,21.1,22.8,23.4,22.9,22.7,22.4,22.6,22.5,22.1,19.9
1956,19.3,20.4,21.5,23.1,23.2,22.6,22.6,22.9,23,22,21.8,20.5
1957,20.1,20.9,22,23.4,23.8,23.8,23.2,23.1,23.1,22.8,22.7,22.2
1958,21.7,21.9,23.1,23.4,24.3,23.6,23.2,22.6,23.4,22.7,21.6,20.7
1959,21.1,21.3,22.7,23.7,23.1,23.5,22.7,23,22.5,22.4,22.5,22.5
1960,21.8,22.2,23,23.8,23.7,23.4,23,23.9,23,22.8,22.7,21.8
1961,21.1,22.3,22.9,23.5,23.5,23.2,22.9,23,22.6,22.3,22.2,21.5
1962,21.7,21.1,22.2,23.3,23.4,23,23.1,22,23,22.6,22.3,21.9
1963,20.5,21.2,21.8,22.7,23.3,23.3,23,22.8,23.2,22.9,22.8,21.9
1964,21.9,22.4,22.7,22.9,23.5,22.8,22.6,22.7,22.8,22.7,21.9,21.2
1965,19.8,22,22.6,23,23.1,23.2,22.8,22.5,22.3,22.1,22.4,22.3
1966,21.2,22.2,23,23.6,23.7,22.6,22.4,23.1,22.4,22.5,22.8,22.4
1967,21.2,21.1,21.4,22.7,23.1,23,22.5,22.7,22.5,22.2,22,21.1
1968,20.2,20.6,21.3,22.1,23.2,22.9,22.9,23.2,22.8,22.2,21.7,22.2
1969,21.6,21.9,22.3,23,23.4,23.5,23,22.6,22.6,22.3,22,21.3
1970,21.2,21.4,22.6,23.1,23.2,23.3,22.4,22.7,22.5,22.4,22.2,21.8
1971,20.3,21.4,22,23,23.2,23.2,22.7,22.3,22.3,22.3,21,21.7
1972,20.2,21.5,21.7,22.8,23.2,22.9,23.1,22.7,22.6,22.1,22.4,22.2
1973,21.4,21.6,22,23.2,22.8,23.3,23.2,23,22.3,22.4,22.3,21.1
1974,19.7,21.5,21.7,23.2,22.8,23.1,22.6,23.2,22.3,23,22.7,20.9
1975,21.7,21.4,22.6,23,23,22.5,22.2,23,22.1,22.8,22,20.3
1976,19.8,19.7,21.8,22.7,22.9,22.4,22.4,22.1,22.3,22.3,21.6,20.7
1977,20.8,21.4,21,22.1,22.8,23.1,22.9,22.6,22.9,22.3,22.3,21.4
1978,21.6,21.5,22.4,23.3,23.7,23.2,22.7,23.2,22.1,22.6,21.7,21.5
1979,21.1,21.9,23.3,24,23.9,23.9,23.2,23.5,22.8,22.2,22.8,21.4
1980,21,21.6,23.3,23.8,24,23.2,23.1,22.6,23,22.7,22.6,21.7
1981,19.9,21.1,21.6,23.1,22.8,23,22.8,22.7,22.9,22.5,22.3,21
1982,19.8,20.9,21.7,23.2,23,23.2,22.2,22.4,22.7,21.5,22.1,21.2
1983,21.1,20.7,22.5,23.6,23.5,23,22.5,22.7,22.3,22.5,22.1,21.2
1984,21,22.2,22.3,23.5,23.1,23,22.3,23.2,22.2,22.1,22,22.2
1985,21.1,22.5,22.3,23.5,23.1,23.1,22.5,22.8,22.1,22.2,22.1,21.8
1986,20.8,21.2,22.4,23.1,23.2,22.7,22.5,22.9,22.6,22.2,22.3,21.2
1987,21.2,20.7,22.4,23.2,23,23.3,23.5,22.6,23.4,22.6,22.9,21.5
1988,21.4,22.5,22.7,23.2,23.4,22.7,22.4,22.6,22.3,22.3,22,20.8
1989,20.8,20.1,21.7,23.1,22.7,21.9,22.3,22.3,22.9,22,22,21.2
1990,21.2,22.1,22.5,24,23.5,23.9,22.9,23.5,22.8,22.6,22.9,22.2
1991,21.8,22.8,22.8,23.5,23.8,23.8,23.4,23,23.6,22.3,22.1,22
1992,21.5,21.8,22.2,23.6,23.7,23.3,22.9,23.1,23,22.4,22.1,21.6
1993,21.3,21,23,23.8,23.3,24.1,23.2,23.6,22.4,22.6,22.9,22.5
1994,21.5,22.6,23.2,23.6,24.2,23.1,23.1,22.4,22.9,22.2,22.3,22.4
1995,21.9,21.6,23,23.8,23.5,24.1,23,23,22.8,22.9,22.8,21.7
1996,21.5,22.9,22.8,23.6,23.4,23.7,23.4,23.3,23.3,22.3,23.5,21.6
1997,20.8,22.8,23.4,23.1,23.9,23.3,23.3,23.4,23.5,22.8,22.6,22.9
1998,22.3,23.3,23.4,23.9,24.3,24.4,23.4,23.1,23.3,23.5,23.2,22.8
1999,22,22.7,23.9,23.7,23.8,23.5,23,22.8,23.2,22.2,23.3,21.1
2000,21.9,22,23.5,23.5,23.6,23.6,23.8,23.6,23.7,23.5,23.2,22.7
2001,22.3,21.9,23.5,24.1,24,23.5,23.4,23.7,23.5,23.1,22.2,22.4
2002,22.3,22.7,23.2,23.6,23.9,24.2,23.3,23.2,22.6,22.6,23.4,23.3
2003,21.8,23.1,22.8,24,24.3,23.7,23.5,23.6,23.5,22.8,23.4,22.2
2004,22,22.4,23.7,24.6,24.1,23.9,23.9,23.2,23.4,22.9,23.9,22.1
2005,22.3,22.4,23.6,24.6,24.4,24.1,23.8,23.8,22.9,22.8,22.9,22.8
2006,21.8,23.1,23.7,23.9,23.7,23.8,24.2,23.8,23.3,23.2,22.9,22.6
2007,22.2,22.4,22.6,24.3,23.6,22.5,23.3,23.4,22.8,22.5,22.2,22.2
2008,22.5,22.9,23.3,23.4,23,23.5,23.2,23,22.9,22.9,22.7,21.9
2009,21.1,22.1,23.2,23.8,22.9,23.3,23.4,23.8,23.5,22.7,22.8,22.8
