1901,18.2,19.8,26.6,30.4,33.2,32.6,28.7,26.3,27.2,27.7,23.8,21.2
1902,20.9,22.4,28.1,31.4,33.1,31.7,28.8,27.8,26.8,26.8,22.6,19.6
1903,19.5,20.1,24.3,29.3,32.3,32.2,28.6,26.9,26.7,26.3,21.3,19.1
1904,19.9,21.3,25,31,32.8,30.5,27,26.5,27,26.9,22.7,20.6
1905,18.4,18.4,24.1,28.5,33.9,31.6,27.3,27.1,27.2,27,24.1,20.1
1906,18,19.6,25.1,30,33.4,30.3,27.3,26.8,26.2,26.3,23.7,20.4
1907,20.2,21,25.2,29.2,31.5,31.3,29.3,25.5,26.6,27.1,24.1,19.2
1908,19.1,20.6,24.6,30.9,32.3,31.1,26.5,25.8,26.7,26.5,22.9,19.2
1909,19.3,21.3,26.8,29.4,32.5,30.4,26.8,26.1,26.2,25.8,22.9,19.7
1910,19.4,21.4,26,29.6,32.2,29.7,26.8,26.5,26.7,25.3,21.3,19.9
1911,20.6,21.1,24.4,29.6,33.1,29.8,28.3,26.8,26.5,27.2,23.3,21.9
1912,20.6,22.7,25.5,30.7,33.2,32.4,27.9,26.2,26.6,26.7,22.2,19.8
1913,19.4,21.5,24.2,31,32.1,30,27.3,26,27,27.6,23.6,20.3
1914,21.2,21.3,25,30.1,33.4,30.4,27.2,26.7,27.3,26.9,24.5,20
1915,19.9,20.4,26.1,30,33.4,32.8,29.2,27.1,28.2,27.6,24.1,20.5
1916,20.2,20.3,27.8,31.2,33.2,29.5,28.4,26.6,27.5,26.3,21.9,19.5
1917,20.6,21.4,25.8,29.1,32.2,29.6,26.8,26.5,26.5,25.6,20.9,19.8
1918,18.4,21.9,26,28.9,33.1,30.3,28.7,26.9,27,27.3,24.6,19.9
1919,20.3,21.3,26.4,30.1,32.8,30.5,27.2,26.3,27,26.4,24,19.9
1920,20.3,21,26.6,30,31.2,30.4,26.9,26.3,27.8,27.6,24.2,20.6
1921,20.3,21.4,27.8,31.8,33.2,31.2,29,26.7,26.2,26.5,22.6,21.4
1922,19.1,22.7,26.7,31,32.9,30.9,27.4,26.4,26.6,26.4,22.9,19.1
1923,20.1,20.5,26.8,30.3,32.1,32.5,27.6,25.9,27.2,26.2,22.7,21.3
1924,20,22,28,31.3,32.2,31.9,28,26.8,26.8,25.4,21.6,20.3
1925,17.5,20,26.9,32,32.2,29.6,27,27.2,27.8,28.5,24.3,20.8
1926,20.7,23.5,26.3,28.7,32.5,33.3,28.2,26.8,26.9,26.7,22.1,19.8
1927,18.3,20.3,25.1,29.7,32.1,31.1,27.1,26.1,27,26.3,20.7,20.4
1928,19.3,21.1,25.8,30.1,32.7,30.9,27.2,26.3,26.7,26.5,23.4,19.2
1929,18.4,20.4,27.3,30.6,33.2,30.9,27.6,26.3,27.2,26.3,24.1,19.3
1930,19.5,20.3,26.4,30,32.9,31.4,26.6,26.2,27.7,27.6,22.1,20.5
1931,20.8,20.9,25.4,31.3,33.1,32.7,28.3,26.8,26.9,25.9,22.6,20.3
1932,20.6,20.1,25.4,29.8,33,31.2,27.1,26.8,27.2,27.3,22.2,20.4
1933,19.4,21.7,26.3,30,31.2,30.4,27.6,26.2,26.6,26.2,23,19.8
1934,17.9,22.1,25.5,30.5,32.4,31.4,27.3,26.3,26.3,25.7,22.3,20.6
1935,17.7,21.2,25.6,28.3,32.6,31.5,27.2,26.3,26.2,26.3,22.9,20.4
1936,18.6,21.2,25.6,29.3,33.4,29.8,27.5,26.8,27.1,26.7,23.5,19.5
1937,18.2,21.8,24.8,29.6,32.5,31.3,26.8,26.5,26.9,26.1,23.9,19.1
1938,20.2,19.8,27.3,30.9,32.8,29.5,27,27,27.6,26.5,21.9,20.4
1939,20.3,22,24.5,29.2,32.2,31,27.6,27.5,26.6,27,22.7,20
1940,20.1,21.8,24,29.5,33,31.1,27.3,26.4,26.9,26.8,23,19.6
1941,18.6,21.8,26.5,31.1,32.9,31.8,26.9,26.7,27.3,27.6,23.1,21.1
1942,18.4,21.4,26.5,31.7,32.7,32,26.9,26.3,26.3,26.1,22.1,19
1943,19.4,20.9,26.2,29.9,33.7,29.6,26.6,26,26.5,25.8,23.3,19.5
1944,18.8,20.4,25.2,29.4,32.8,30.8,26.9,26.2,27.3,25.7,22.7,20.8
1945,17.5,19.9,25.9,29.5,32.2,31.5,26.6,26.8,26.6,25.8,21.4,17.7
1946,19.1,22.5,25.4,31.5,32.2,30,27.2,25.8,26.7,26.7,21.5,20.4
1947,18.5,21.4,26.1,29.8,32.9,31.6,27.7,27.7,26.4,25,22.6,20
1948,19.1,20.8,26.4,31.5,33.8,31.2,28.4,26.9,27,27.6,23.3,19.8
1949,21.1,21.2,26.7,31.4,33.6,31,28.2,27.3,27.1,26.8,22.3,19.2
1950,19.9,19,25.3,30.4,32.6,31.6,26.8,26.9,26.7,26.8,21.3,19.3
1951,18.1,20.5,26.2,28.8,32.6,31.3,29,26.6,28.6,29,24.5,19.6
1952,20.1,22.8,25.8,31.5,33.5,31,27.6,26,27.2,27.4,22.5,21.1
1953,18.9,23.6,28.4,31.1,32.5,31.3,27.8,26.1,26.9,26.1,22.3,20.9
1954,18.2,22.5,26.3,30.8,33.5,31.4,27.7,27.3,25.5,24.7,22.5,19.6
1955,20,21.9,27.8,28.7,32.6,30.5,28.6,26.4,26.4,25.7,21.1,19.4
1956,19.6,21.1,27.1,30.9,32.9,30.1,25.9,25.8,26.5,25,21.7,19.8
1957,18.8,19.3,24.6,30.1,31.9,31.3,28.1,27,27.1,27.2,24.8,21.4
1958,20.8,21.5,26.8,31.8,33.4,32.1,27.6,27.6,26.1,26.1,23,20.5
1959,19.3,21.2,27.1,30.9,33.4,31.2,26.4,25.9,26.1,26.3,22.9,20.3
1960,18.1,22.9,24.8,30,32.2,30.7,28.2,25.9,27.6,26.7,22.7,21.6
1961,19.6,19.7,27.2,30.5,32.9,30.3,27.1,26.9,25.7,25.4,23.1,18.7
1962,17.7,21.7,25.8,30.4,33.3,31.3,27.7,27,26.7,24.8,23.3,20.4
1963,19.2,23.1,26.1,29.8,32.3,31.2,28,26.4,26.2,26.5,24.3,20.7
1964,17.6,21.3,27.6,31.6,32.6,30.9,27.4,26.6,27,26.7,22.1,19.9
1965,21,21.5,25.6,30,33.1,31.9,28.2,27.5,27.2,27.8,24.3,20.6
1966,20.4,23.6,25.5,30.3,32.3,31.5,29,27.1,27.1,28.1,24.6,20.2
1967,18,23.2,25.8,29.9,32.7,30.3,27.6,26.3,26.5,27.1,24.1,21.6
1968,18.4,19.9,25.7,30.2,31.7,32.2,28.2,25.9,28.4,27.1,23.5,20.2
1969,19.7,22.1,28.3,31.5,33.1,31.7,28.4,26.4,27,27.4,25.2,20.9
1970,19.8,21.5,26.1,31.7,33.8,29.6,27.8,27,26.5,27.4,22.2,19.5
1971,18.7,21.2,26.2,32.2,32.4,29.4,26.7,26.4,27.3,26,22.5,19.2
1972,19.5,19.1,27.3,29.9,32.9,31.9,28.3,27,27.3,27.8,23.3,20.4
1973,18.6,22.5,26.6,32.5,33.9,31.3,26.6,26.3,25.5,26.2,22.5,19.8
1974,18.9,20.1,27.8,31.4,32.1,31.5,28.5,27.3,28.6,27.5,21.9,19.5
1975,17.8,21.1,25,31.2,32.7,30.6,27.5,26.4,26.4,26.4,21.4,19.6
1976,19.7,21.8,26.5,30.2,32.3,29.8,27.5,26.1,26.4,27.3,25.7,21
1977,18.9,22.3,28.3,31,32.3,30.6,27.3,26.6,26.5,28.1,25,21
1978,18.8,21.5,25.2,31.1,33.4,30.7,27,26.2,27.2,27,24.5,20.2
1979,20.2,20.3,25.3,30.2,32.1,32.4,28.2,26.2,28.4,27.8,25,21
1980,19.9,22.1,26.8,30.1,33.6,29.6,27.6,26.7,27.7,28.1,24.4,20.1
1981,19.2,22.2,26.6,31.2,33,32.5,27.4,26,27.7,26.8,21.4,19.8
1982,19.9,20.9,24.9,29.7,31.4,31.4,28.6,26.5,27.4,27.8,23.2,21.1
1983,18.7,20,25.2,28.5,32.7,31.5,28.1,26.8,27.4,25.4,20.9,19
1984,18.1,19,27.1,31.1,33.2,30.9,27.2,25.2,25.9,26,22.4,20.2
1985,18.9,20.8,28,30.3,33,31.2,28.1,26.1,27.4,25.3,23.2,21.3
1986,19.9,21.7,26.8,31.3,32.9,31.2,27.5,26.2,28.1,27.5,24.3,19.4
1987,20.1,22.6,27.2,31.2,32.6,32.3,29.7,28.6,28.5,28.8,24.7,20.9
1988,21.2,23.6,26.7,32.1,33.9,32.1,27.7,27.3,28.5,26.7,23.2,20.8
1989,18.7,21.7,25.9,30.5,33.4,30.5,27.9,26.5,28,27.4,24.8,20.3
1990,21.5,22,25.3,31,32.7,30.7,27.2,26.7,26.8,27,23.7,20.6
1991,18.4,21.9,26.9,30.7,33.6,32.2,28,26.8,27.1,26.6,23.7,20.2
1992,19.6,19.8,26.5,30.1,33,32.9,29.1,26.9,26.4,26.9,23.1,21.1
1993,20.4,22.3,26,30.5,33.7,32.5,27.9,27.8,27.5,28,24.4,21.2
1994,20.9,20.8,27.3,30.4,33.8,30.4,26.6,26.9,26.7,26.8,23.4,20.2
1995,18.2,21.7,25.8,30.4,33.4,33.4,28.7,27.7,28.2,28.6,23.6,21.4
1996,20.4,22.9,28.7,31,33.3,32.2,28.6,26.6,27.2,26.7,23.4,20.6
1997,19.2,21.3,27.3,29.6,32.1,29.5,27.9,26.9,27.4,26.7,25.2,20.1
1998,19.5,21.5,26.3,32,34.4,32.6,28,27.9,27.7,28.9,23.7,20.5
1999,19.2,22.9,27.1,31.8,32.9,30.6,28,27.1,27.9,26.7,23.8,19.9
2000,20.2,20.3,26.2,32.6,31.8,31.3,27.2,27.9,27.8,28.3,24.9,21
2001,19.2,22.3,26.8,30.8,32.5,29.2,26.5,26.9,28.5,27.8,23.9,21
2002,18.8,21.7,27.1,31.8,33.8,31.2,28.5,26.4,27.1,28.2,24.2,21.9
2003,20.5,22.8,26.8,31.9,33.1,31.5,27.8,27,26.7,26.5,25.2,20.9
2004,19.5,21.6,28.6,32.2,32.8,31.3,28.8,25.7,28.3,26.4,24.5,21.3
2005,18.3,21.3,26.8,30.4,32.9,32.1,28.1,26.8,27.3,26.2,23.2,19.4
2006,20,24.1,25.9,30.8,33.2,30.7,27.3,26.1,27.5,27.3,23.8,21.4
2007,19.9,22.8,26.3,31.9,32.7,31.7,27.7,26.9,27.5,25.9,24,20.5
2008,18.6,19.1,27.5,30.6,32.4,30.1,27.7,26.3,27.2,27.2,23.9,22.8
2009,21.6,23.7,28.2,31.5,33.2,32.1,28.1,27.7,28.2,27,23.8,21.9
