1901,20.1,21.8,24.6,26.9,26.8,27.1,26.6,26.3,26,25,22.1,19.9
1902,19.7,21.6,25,26.6,27.3,27.2,26.6,26.2,25.8,24.9,22.3,20.6
1903,19.9,21.1,25.3,27.6,27.1,26.5,26.4,25.7,25.5,24.9,21.1,17.7
1904,18,20.9,23.9,25.9,26.6,26.9,26.3,26.2,26.2,25.3,21.4,18.6
1905,20.8,22.4,23.7,26.6,27.1,27.2,26.6,26.3,26.4,25.3,22.5,22
1906,21,22.6,24.3,27.3,27.7,27.6,27,26.4,26.8,24.9,21.5,20
1907,20,21.6,23.5,26.2,26.5,26.6,26.3,26.1,25.9,25.3,22.5,18.5
1908,19.9,21.4,24,26.8,26.7,27,26.4,26.1,26.1,25.1,21.2,19.6
1909,19.7,21.8,24.6,26.6,26.2,27,26.3,26.3,26.6,25.7,22,19.3
1910,20.5,21.1,23.6,26.5,27.2,26.7,26.3,26.3,25.7,24.7,22,18.5
1911,19.4,21.1,24.2,26.8,26.8,27.3,26.3,26.5,26.4,24.9,23,20.7
1912,19.8,21.8,24.6,26.8,27.6,27.4,26,25.7,25.6,24.6,21,19.4
1913,19.8,21.9,23.4,26.5,26.2,27.1,25.9,25.7,25.8,24.8,21.2,19.1
1914,19.6,22,24.5,27,27.1,26.7,26.4,25.5,25.8,24.4,21.9,20.4
1915,20.1,22.6,24.3,26.8,26.1,27.2,26,26.2,25.7,25.6,21.7,18.5
1916,18.9,21.5,24.5,26.6,27.4,26.9,26.6,26.3,26.1,24.5,21.3,19
1917,19,21.1,23.1,26.4,26.9,26.6,26.3,25.9,25.9,24.7,21.9,18.6
1918,18.5,20.6,23.9,25.8,26.3,26.8,26.9,25.9,26.6,25.5,22.4,21.2
1919,20.5,21.6,25.8,27.1,27.2,27.2,26.5,26.6,25.7,24.8,22,20
1920,19.1,21.2,24.6,26.4,27.1,27.1,26.8,26.2,26.4,24.5,22.6,20
1921,20.1,21.1,24.6,27.5,26.8,27.6,26.2,26.7,25.7,24.6,21.4,20.5
1922,21,23,24.4,27,28.1,27.4,26.2,26.4,26.2,25,21.4,19.3
1923,20.3,21.1,24.8,26.3,26.2,26.4,26,25.7,26.3,25,23.2,21
1924,20.8,22.1,25,26.5,27.5,27,25.9,26.3,26.5,24.7,22.7,19.3
1925,19.3,20.2,24.3,25.4,27.1,27.2,26.7,26.7,26.3,24.3,22.5,18.9
1926,20.5,21.7,24,27.3,27.7,27.6,26.8,26.2,26.9,24.4,22.4,20.5
1927,20.2,21.8,24.5,25.7,26.3,27.2,26.8,26.8,25.9,24.6,22.3,20.8
1928,22,20.8,24.9,26.7,27.4,26.7,26.6,26.6,26.6,23.3,20.9,20.7
1929,21.2,22.1,23.2,25.7,27.4,27,26.4,26.8,26.2,24.9,21.6,21.6
1930,19.6,21.7,23.1,26.5,26.8,27,27,25.7,25.7,25.3,22.1,20.6
1931,20.8,22.8,25.9,28.6,29,28.1,26.8,26.5,25.8,23.8,21.4,19.7
1932,18.5,20.6,23.6,27.2,28.6,27.9,26.9,26.6,26.3,24.4,22.7,18.9
1933,19.4,22,24.3,27.4,27.3,27.3,26.2,25.8,25.9,24.9,21.1,19.8
1934,19.2,21.2,23.7,25.8,27.6,27.3,25.7,26.2,25.9,24,22.1,18
1935,21,22.4,24.6,26.9,27.1,27.3,26.1,25.6,25.7,25.4,22.9,20.8
1936,19.2,20.8,23.1,27.4,27.3,26.8,25.9,26.1,25.6,23.8,22.7,22
1937,20.6,22.3,25.5,27.5,26.2,26.9,26,26.1,25.8,25,23.5,21.6
1938,20.9,22.1,24,26.2,25.8,26.3,25.4,26.6,26.1,24.8,20.7,20.9
1939,20.1,22,24.7,25.3,26.9,26.8,26.3,25.9,25.5,25.2,23.3,16.5
1940,17.7,21.7,23.9,26.7,27.1,27.5,26.6,26.5,27,26,22.5,21.5
1941,22.9,23.2,25.4,27.6,27.4,27.5,27.5,26,26.2,24.7,22.1,21.2
1942,20.4,23.3,25.3,26.7,26.8,26.8,26.3,25.9,26.3,25.5,22.8,20.5
1943,19.6,21,24.7,26,27.1,26.7,26.4,25.8,25.8,25.4,21.9,20
1944,21.1,22.6,25.1,27.1,26.1,26.6,26.5,26.1,26.3,24.9,22.3,17.8
1945,20.2,20.7,24.2,26.9,26.2,27.6,26.9,26.4,26.7,24.2,23.6,20.3
1946,19.3,21,25.6,26.6,26.8,27.9,26.6,26.1,26.1,24.5,22.5,22.4
1947,22.2,21.9,24.5,25.9,27.7,27.4,26.7,27,26.7,25.3,22.5,20.4
1948,20.1,23,25.5,25.8,27,28.1,26.1,26.4,26,24.9,21.8,21.4
1949,19.2,21.7,24.1,25.6,26.9,27.6,26.8,26.5,26.5,25.5,22.8,20.3
1950,20.3,20.5,24.6,26.2,26.8,26.7,26.5,26.3,26,24.7,22.5,18.9
1951,19,21.3,23.9,26.6,26.7,26.1,26.3,26.5,26.2,24.6,22.7,20.1
1952,20.3,22.8,24.5,26.5,28,27,26.2,26,25.7,25,22.7,18.5
1953,20.5,21.7,24.6,26.5,26.7,26.9,26.6,26.3,26,25.9,22.9,20.5
1954,21.5,22,23.2,27.8,27.1,27.6,27.4,26.4,26,24.1,21.6,18.7
1955,17.1,22,24.4,26.3,27.8,26.4,26.7,25.7,26.5,24.5,20.4,18.5
1956,18,22.5,25.1,26.9,26.3,26.8,26.4,25.9,25.9,24.6,20.6,19.4
1957,20.5,20.6,24.1,27.1,28.4,27.1,26.5,26.8,26.3,24.6,22.7,21
1958,20,20.2,26.2,28.4,29.1,27.6,26.7,26.4,26.2,24.8,20.7,18.6
1959,19.4,22.1,23,27.9,27.6,28.5,26.4,26.3,25.5,24.8,23,22.4
1960,20.2,21,25.5,27.7,27.6,27.9,26.5,26.4,25.7,24.6,23.3,19.2
1961,18.8,20.8,24.1,27,27.2,27.2,26.5,26.3,25.7,24.9,21.3,20.7
1962,17.7,20.3,23.9,27,27.1,27,26.4,26,25.9,24.8,22,19.6
1963,16.7,20.3,23.4,26.3,28.3,27,26,26.5,26.3,24.5,23.1,19.6
1964,20.7,20.6,23.6,26.4,26.3,27.1,26.3,26.5,26,25.2,20.7,18.6
1965,18.4,22.4,23.7,26.3,27.1,26.2,26.6,26,25.9,25.1,22.3,21.5
1966,21.5,23.1,24.9,27,26.5,27,26.8,25.8,25.4,25.2,22.7,22.3
1967,18.9,20.2,24,26.1,27.3,27.2,26.8,26.8,25.4,24.2,22.1,19
1968,19.7,19.5,24.5,25.1,26.7,26.6,26.8,26.5,26.1,24.6,23.1,21.7
1969,21.5,21.8,24.8,27.1,27.8,27,26.5,26.1,25.9,25.4,21.1,18.8
1970,20.1,22.1,25.4,25.9,26.9,26.2,26.3,25.9,25.6,24.7,21.9,21.5
1971,18.3,20.5,24,26.6,26.5,26.7,25.7,25.4,26.1,23.6,19.9,19.8
1972,18.5,21.8,23,24.9,28.3,27.3,27,26.1,26.4,25.7,23.1,21.3
1973,20.4,23.6,25.4,28.2,27.3,27.7,26.6,26.2,26,24.8,21,18.2
1974,19,19.7,23,25.4,26.7,27,26.4,26.1,26.3,25.4,22.3,20.6
1975,20.6,22.4,25.5,28,26.8,27,26.4,26,26,25.3,21.5,17.6
1976,18.6,21.7,23.7,26.1,26.1,27,26.5,25.6,26.2,25.4,20.4,20.4
1977,19.9,19.2,23.5,26.1,26.8,28.4,26.3,26.5,25.6,25.2,20.9,20.4
1978,20.4,21.2,25.1,26.9,26.8,27.4,26.4,26.4,25.7,24.9,22.4,20.8
1979,22.3,23.4,26.4,27.4,27.3,27,27.7,26.7,26.6,24.5,21,20.6
1980,20.6,21.8,26.2,27.8,27.7,27.2,27,26.2,25.9,24.6,23,20.3
1981,19.7,22.9,25.3,26.3,26.3,26.3,26,26.3,26.4,24.9,22.6,18.3
1982,19.7,21.9,25.9,25.3,27.1,27.1,26.5,26,25.5,25.4,23.1,17.9
1983,18.3,22.6,24.3,28.6,27.9,27.8,27.4,26.3,26.3,25.2,20.7,18.5
1984,19.1,23,25,27.7,26.4,26.9,26,26.2,25.8,24,22.5,20.7
1985,20.7,22.4,23.8,26.5,26.8,26.5,26.1,26.2,25.8,24.7,22.9,19.8
1986,19.4,22.1,23.8,26.7,26.2,27,26.2,26.7,26.1,25,21.9,20.4
1987,20.5,22.2,24.6,26.9,28.1,27.5,27.2,26.7,26.3,25.6,23.9,17.8
1988,21.3,23.2,25.2,26.6,27,26.9,26.6,26.2,26.3,24.5,20.6,19.7
1989,20.3,21.3,23.1,27.3,26.6,26.4,26.5,26.1,26,24.6,21.9,19.3
1990,21.2,21.8,23.2,27,25.9,26.4,25.8,26.6,26.1,25.2,22.8,20.3
1991,22.3,22.1,26.4,27.3,28,27.5,26.9,26.2,26.7,25.2,21.7,20.5
1992,18.7,21.9,25.7,28.7,28.7,27.4,26.4,26.7,26.5,23.8,20.4,19.7
1993,19.3,21.5,25.1,27.3,27.3,28,27.4,26.7,26.5,24.9,22.2,19.8
1994,21.5,23.9,23.1,27.7,27.5,26.6,26.4,26,26.5,24.2,21.6,22
1995,20.3,21,25.3,27.9,27.1,27.9,26.3,25.9,26.7,25.3,21.9,19.5
1996,20.4,19.5,24.9,25.3,26.5,26.9,26.2,26.2,26.2,24.9,22.6,19.7
1997,20,20.7,24.3,24.8,27.7,27.6,26.5,26.6,25.9,26,23.3,22.6
1998,21.9,23.5,26.7,27.6,28.7,28.3,27.4,27.2,26.7,25.8,22.8,21.8
1999,21.2,22.9,25.9,26,25.9,27.3,26.6,26.5,26.1,25.3,22.2,17.9
2000,21.7,21.2,24.6,26.6,25.6,26.8,26.2,27,26,25.9,21.8,21.7
2001,22.6,22.9,24.1,28.4,25.9,26.8,26.3,26.5,26.5,25.5,20.5,21.1
2002,20,22.5,24.8,27.4,26.5,27.2,26.7,25.9,25.3,25.1,22.6,22
2003,19.6,22.5,23.6,27.4,28,27.2,27.1,26.6,26.1,25.6,23,19.7
2004,20.3,20.8,25.3,26.7,26.7,26.8,25.7,26.6,25.8,24.6,22.7,20.3
2005,20.4,24.2,23.9,27.2,28.1,27.2,26.6,26.1,26,25.6,23.1,20.2
2006,20.7,23.1,25.5,26.4,26.2,27.6,26.7,26,26.3,25.5,23.5,20.6
2007,19.6,22.6,25.9,26.6,26.4,26.9,27,26.3,26,24.6,20.7,21.7
2008,20.5,18.9,23.8,26.6,26,26.7,26.3,26.4,26.2,26,21.7,19.7
2009,18.7,24.1,25.1,26.8,26.6,27.2,26.6,27,26.9,26.4,24.3,21.3
