1901,21.7,22.8,23.7,24,24.5,24.7,24.4,24.4,23.7,23.8,23.2,21.8
1902,19.9,22.4,22.7,23.8,24.2,24.9,24.3,24.1,23.6,23.5,22.8,22.3
1903,21.2,21.2,23.5,24.7,24.8,23.6,23.9,23.6,23.4,23.1,21.6,19
1904,18.7,20.2,22.3,23.1,24.1,24.2,23.9,24.2,24.1,23.8,22,20.5
1905,21.5,22.6,23.2,24.7,24.1,24.2,24.2,24.6,24.2,24,23.1,23.8
1906,22.3,22.9,23.2,25.3,25.4,24.7,24.4,24.5,24.5,23.5,22.1,21.6
1907,20.5,21.8,22,23.7,23.7,24,23.9,23.7,24,23.4,22.7,19.8
1908,20.4,21.3,22.4,23.9,24,24.1,23.9,23.7,23.9,23.6,21.6,21.2
1909,20.6,21.7,22.5,23.7,23.8,24.2,23.7,24,24,23.8,21.8,20.4
1910,21.1,20.8,21.8,23.6,24,23.9,24.1,24.1,23.4,23.3,22.4,20.1
1911,20.4,21.6,22.8,24.1,24.5,24.5,24.4,24.6,24.4,23.9,24.3,22.7
1912,21.3,22.3,23.7,24.6,25.3,24.7,24,23.9,24,23.6,22.1,21.6
1913,20.7,22.3,23.3,24.6,24.2,24,23.7,24.1,24.1,23.7,22.6,21.6
1914,20.4,22.2,23.1,24.5,25.4,24.3,23.9,23.9,24.3,23.9,23.6,22.4
1915,21.2,22.8,23.4,24.4,24.6,24.1,24.3,24.1,24.2,23.6,22.5,20
1916,19.6,21.5,23.3,24.1,24.3,24.1,24,24,24,23.5,21.9,20.6
1917,20.3,21.5,22,24.4,24.2,24,23.9,23.6,23.6,23.1,22.3,20.7
1918,19.8,20.1,22.3,23.4,23.7,24.1,24.5,24.2,24.4,23.7,23.6,22.2
1919,21.6,22.4,23.6,24.4,24.7,24.2,24,24.3,24.3,23.9,22.7,21.8
1920,19.9,21.6,23.3,24.2,24.7,24.5,24.1,24.2,24.1,23.3,23.3,21.3
1921,20.5,21.1,23,23.9,23.9,24,23.5,24,23.6,23.3,22,21.5
1922,21.1,21.9,21.9,23.6,24.3,24.1,23.5,23.8,24.3,23.5,22.3,20.9
1923,20.3,20.7,22.4,23.4,23.7,24,23.1,23.5,23.5,23.4,23,22
1924,21.2,21.6,23,23.7,24.2,24.2,23.4,24.1,23.4,22.6,23.1,20.1
1925,20.6,20.8,22.4,23.2,24.3,24.2,24.1,24,24.2,23.2,22.8,20.6
1926,20.8,21.9,22.8,24.8,25.3,24.8,24.2,23.9,24,23.3,22.8,21.6
1927,20.6,21.7,23.2,23.3,23.6,24,23.8,23.9,24.1,23.2,22.8,21.6
1928,21.7,21.6,22.7,23.3,24.1,24,23.9,23.9,23.9,23.1,22.6,22
1929,21,21.2,21.8,23.5,24.2,23.7,23.8,23.9,24.1,23.1,22.5,22.2
1930,20.7,20.9,21.9,23,24.4,24,24,24.3,24.4,23.8,22.9,21.6
1931,21.5,20.9,23.2,24.6,24.7,24.7,24.3,24.5,24,23.3,22.2,21
1932,19.7,21.5,22.3,23.9,24.7,24.6,24.2,24.6,24.1,23.8,23.2,20.7
1933,21.3,21.6,22.7,24.1,24.8,24.5,24.1,25,24.1,23.8,22.2,20.9
1934,20.2,20.9,22.4,23.8,25.1,24.7,24.5,24.3,24.5,23.8,23.1,20.3
1935,21.1,21.7,23.5,24.1,24.4,24.4,24.2,24.5,24.2,24.3,23.2,21.7
1936,20.7,21.6,22.5,24.3,25,24.3,24.3,24.1,24.2,23.3,22.5,22.3
1937,21.1,21.7,23.5,24.3,24,24.1,23.7,24.1,23.8,23.1,23,21.6
1938,21.3,22,23,24,23.2,23.3,23.3,24.4,24.3,23.5,21.7,20.6
1939,22.7,21.1,22.4,23.6,24.5,23.5,24,24.1,24.2,23.1,23.1,19.7
1940,18,20.6,21.5,23.5,24,24.4,23.5,23.4,23.8,24,23.1,22
1941,21.2,21.8,22.6,24.3,23.8,24.5,24,24.5,24.6,23.9,23.9,22.6
1942,19.9,21.4,22.3,23.6,23.5,24,23.6,23.5,23.3,23.5,22.2,21.3
1943,19.1,20.2,22,22.5,23.7,23.4,23.3,23.1,23.4,23.3,22.2,20.5
1944,20.7,21.5,22.2,23.6,23.8,23.6,23.6,23.7,24,23.6,22.5,20.5
1945,20.6,21.9,22.2,23.2,23.5,23.7,23.9,23.6,23.4,23,22.9,21.4
1946,20.3,22.4,23.4,23.8,24.3,24.2,23.7,23.6,23.7,23.4,22.7,22.2
1947,21.9,22.1,23.4,24.2,24.4,24,23.8,23.4,23.8,23.6,22.4,21.2
1948,21.5,22.5,23.9,24.5,24.9,25.2,24.6,25,24.7,24.4,22.5,21.4
1949,19.9,21.8,23,24.3,24.9,24.7,24.5,23.9,24.7,24.3,22.9,22
1950,20.8,21.9,23.5,24.2,24.8,24.3,23.5,24.4,23.8,24,23,20.9
1951,20,20.8,21.7,22.9,23.5,23.5,23.2,24.1,23.6,23.3,23,20.7
1952,20.9,21.7,22.9,23.5,23.9,24,23.6,23.3,23.4,23.6,22.6,18.9
1953,21,22.1,22.1,23.4,23.4,23.9,23.3,24.2,23.5,23.5,21.9,20
1954,21,20.5,22.3,23.3,23.9,23.9,23.6,23.7,23.5,23,21.6,20.4
1955,19,20,20.9,22.8,23.8,23.5,23.3,23.3,23.1,23.4,22,18.6
1956,18.3,20.4,21.9,23.2,23.5,23.2,23.1,23.5,23.6,22.9,21,18.9
1957,19,20,21.5,23.6,24.3,23.8,23.3,23.5,23.5,23.6,22.8,21.4
1958,21,21.1,22.4,23.3,24.2,23.7,23.7,23.6,24,23.6,21.4,19.5
1959,20.1,20.7,22.3,23.4,23.6,23.9,23.4,23.6,23.4,23.3,22.4,22.2
1960,20.6,21.7,22.9,23.5,23.7,23.7,23.8,24.4,24,23.4,22.8,20.8
1961,19.9,21.4,22.3,23.6,24.2,23.7,23.7,23.9,23.1,23.1,22.8,21.2
1962,21.3,20.2,21.8,22.8,23.8,23.3,23.8,22.4,24,23.6,22.1,21.1
1963,18.4,20.8,21.5,22.4,23.4,23.6,23.5,23.9,24.1,23.8,23.3,21.3
1964,21,22.2,22.3,23,23.9,23.6,23.5,23.5,23.9,23.4,21.8,20.4
1965,18.4,21.6,22.1,23.1,23.6,23.9,23.6,23.7,23.7,23.6,23,22.4
1966,20.8,22,22.5,23.4,23.9,23.5,23.5,23.9,23.8,23.7,23,22.3
1967,20.5,21.2,21.3,22.9,23.9,23.9,23.6,23.7,23.8,23.2,22.6,20.5
1968,19.5,20.5,21.6,22.9,23.7,23.9,23.9,24.1,23.9,23.4,22.2,22.3
1969,21.7,21.8,22.7,23.7,24.5,24.4,24.1,24.1,24,23.9,22.1,20
1970,21.8,21.4,22.8,24.2,24.7,24.3,23.8,23.8,24.3,23.4,22.4,22.2
1971,19.7,21.3,22.1,23.2,23.9,23.8,23.4,23.2,23.5,23,20.5,21.5
1972,19,20.9,22,23.6,23.7,24.2,24.2,23.5,24,23.5,23.7,22.6
1973,21.2,22.1,23.1,24,24.3,24.4,24.2,24.1,23.9,23.7,22.3,20.2
1974,19.1,21.1,22.1,23.6,23.7,24,23.7,24.1,23.4,23.4,23.2,21.2
1975,22.4,21.5,23,23.8,23.9,23.9,23.4,23.9,23.5,23.6,22.3,19.5
1976,19.1,20.3,22.2,23.6,24,23.9,23.6,23.4,23.4,23.7,21.9,20.6
1977,21.5,22,22.3,23.7,24.3,24.5,23.9,23.8,24,24.1,22.4,21.7
1978,22.3,22.3,23.5,23.7,25,24.3,23.9,24.1,23.8,23.5,22.1,21.1
1979,21.7,22,22.7,24.5,24.8,25,24.3,24.6,24.4,23.4,22.7,20.9
1980,21,22.2,23.1,24.8,24.8,24.3,24.1,23.6,23.7,23.4,22.9,21.2
1981,19.1,21.2,22.6,23.9,23.6,23.8,23.7,23.6,23.4,23.1,22.4,20.3
1982,19.5,21.5,22.1,23.9,24,24.2,23.1,23.2,23.3,22.4,22.8,20.3
1983,21.1,21.2,22.8,23.9,24.2,23.9,23.4,24,23.2,23.2,21.5,21
1984,20.8,22.8,22.7,24,23.6,23.6,23.4,23.4,22.5,22.3,22.2,21.8
1985,20.9,22.7,22.9,23.6,23.8,23.7,23.1,23.3,22.8,22.8,22.6,20.9
1986,19.8,21.2,22.2,24.1,24,23.7,23.4,23.9,23.1,23.3,22.6,21.4
1987,21.7,21.2,23.2,24.5,23.9,24.5,24.2,23.7,24.1,23.7,23.5,20.4
1988,21.1,22.9,23.4,24.5,24.5,24,23.7,23.9,23.6,23.1,22.3,20.8
1989,21.9,21.3,22.4,23.7,23.6,23.2,23.8,23.3,23.2,22.9,22.7,20.8
1990,21.9,22.4,23.3,24.9,24.4,24.4,23.5,23.6,23.5,23.2,22.8,21.8
1991,22.4,22.8,23.7,24.9,25.2,25.4,24.4,24.3,24.4,23.8,22.2,21.9
1992,21.6,22.1,22.7,23.9,25.4,25,24.4,24.5,24.2,23.8,22.7,22
1993,21.4,21.2,23.6,24.8,24.8,25.1,23.8,24.5,24.1,23.9,22.9,21.3
1994,21.6,22.9,23.9,24.9,25.3,24.7,24.6,24.1,23.9,23.1,22.7,22.4
1995,21.7,21.4,22.8,24.2,24.4,25.3,24.4,23.6,24.2,23.4,23.7,21.3
1996,21.3,22.6,23.4,23.8,24.2,24.8,24.7,24.6,24.4,23.2,23.6,20.9
1997,19.9,22.3,23,23.3,24.4,23.9,24.4,24.1,24.6,23.7,23.1,23
1998,22.6,23.6,23.7,24.6,25.2,25.4,24.2,23.8,23.4,24.2,23.1,22.3
1999,21.7,22.5,23.4,24.7,24.8,24.6,23.7,23.7,24.3,23.1,23.3,20
2000,21.7,21.6,23.7,23.7,23.8,24.8,24.3,24.8,23.3,24,22.8,22.1
2001,22.6,22.1,24,24.9,24.8,23.8,24.1,24.6,23.5,24.1,21.9,22
2002,22.1,22.7,23,23.8,24.2,25.3,24,23.9,23.3,24,23.7,23.3
2003,21.5,23.4,22.7,24.5,24.6,24.1,24.4,24.8,24.2,23.6,23.4,21.4
2004,21.3,22.5,24.3,25.4,24.9,24.8,25,24,24.5,23.6,24.4,21.6
2005,22.1,22.5,23.6,25.4,25.4,24.9,24.6,24.8,24.4,23.3,23.1,22.6
2006,21.8,23.1,24.2,24.7,24.7,25.1,25,24.4,24.4,24.2,23.4,22.3
2007,22.2,22.4,23.3,25.1,24,22.6,23.9,24.2,23.7,23.3,22,22.1
2008,22.6,23.1,23.6,24.1,23.8,24,24,24.1,23.7,24,23,21.2
2009,20.1,22.4,23.6,24.8,24,24.5,23.8,24.7,24,23.5,23.2,23
