1901,18.2,19.8,27,30.4,32.6,32.6,30.5,28.7,27.9,28.2,25.4,21.8
1902,20.3,22,27.7,31.3,32.7,32,30.7,29.4,28.3,29.4,25.4,20.7
1903,18.7,20.6,24.7,29,32.5,32.6,30.5,29,28.8,28.6,23.6,19.9
1904,19.2,22.1,25.6,30.3,32.3,32.1,29.2,28.3,28.3,28.6,24.6,20.9
1905,17.8,18.6,24,28.6,32.6,32,30,29.1,28.9,29.9,25.8,21.1
1906,18.1,20,24.8,29.1,32.3,31.8,30.2,28.6,28.5,28.9,25.1,21.4
1907,20.6,21.4,26.1,30.1,31.7,31.7,31,27.7,27.9,27.6,25.4,20.1
1908,19.3,21,25.3,30.2,32,32.2,29.1,27.4,28,28.4,23.6,19.6
1909,18,21.2,26.4,29.8,31.8,31.8,28.9,27.7,27.6,27.7,24.2,19.6
1910,18.9,21.9,26,29.4,31.7,31.9,29.3,28,28.2,27.7,23.5,19.6
1911,19.4,21.5,25.1,29.3,32.4,31.5,30.2,28.4,28.3,28.3,24.2,21.7
1912,20.8,22.7,25.9,30.5,32.7,32.6,29.8,28.6,28.2,28.8,24.2,20.6
1913,19.9,21.4,24.6,30,32.3,32,29.9,28.5,27.9,29.2,24.7,20.3
1914,20.4,21,25.4,29.7,32.8,32,29.7,28.6,28.5,29.2,26.3,20
1915,19,20.4,26.5,29.8,32.5,32.4,30.8,29.2,28.9,29.6,25.6,21.2
1916,20.7,20.4,27.5,30.3,32.2,32,30.5,28.4,28.4,29,23.8,20.3
1917,20.6,22.3,26.1,29.6,30.9,31.6,29.5,28.1,27.8,28.2,22.5,19.9
1918,18.8,21.5,26.5,28.8,32.5,31.7,30.3,28.9,28.1,28.4,25.6,20.2
1919,19.2,21.4,25.7,29.5,32.4,32.2,29.8,27.9,28.1,29,25.3,20.4
1920,20.3,21.5,26.9,30.1,31.9,31.2,29.5,28.5,29,29.5,25.7,20
1921,19.9,21.6,27.4,31,32.6,32.9,30.6,28.8,28.2,29,25.3,21.9
1922,19,22.2,26.3,30.9,32.2,32.6,30.3,28.4,28.3,28.6,25.2,20.3
1923,19.9,21.1,27,30.1,31.8,32.1,29.9,28.3,28.7,28.3,23.8,20.6
1924,18.9,21.5,27.9,30.7,32.5,32.8,30.6,28.8,28.2,27.7,23.9,21.1
1925,17.9,19.8,27.1,31.2,32.7,31.6,29.3,29,28.8,29.8,25.4,21.8
1926,20.1,23.5,26.5,29.3,31.7,32.8,30.5,29.1,28.1,27.9,23.5,20.2
1927,17.6,20.7,25.3,29.1,31.8,32.3,29.4,28.1,28.8,28.8,23.9,21.2
1928,19.6,21.1,26.5,30.7,32.5,32.1,29.8,28.3,28.2,28.4,24.6,19.9
1929,18.6,21,27.5,31,33.2,32.7,30.4,28.2,28.4,28.9,26.6,19.5
1930,19.1,21.3,26.2,30.2,32.4,32.3,29.2,28.2,29.2,29.6,24.8,21.1
1931,20.1,21.1,25.9,30.9,32.8,33.1,31,29.2,28.8,28.3,25.5,21.7
1932,20.3,22.1,26.7,30.6,32.5,32.3,29.7,28.4,28.7,29.9,24.7,21.4
1933,19.3,22,26.4,30.2,32,32.2,29.8,27.9,28.5,29.5,25.4,21.2
1934,17.4,22.1,26.1,30.6,32.4,32,29.7,28.7,28.8,28.6,25,22
1935,17.8,21.5,26.5,29.5,32,32.6,29.6,28.1,27.5,28.9,25.2,21.4
1936,18.6,22.1,26,29.7,32.8,31.6,29.8,29,28.9,28.8,25.7,21.1
1937,19.2,22.1,25.8,29.6,32,32.2,29.3,28.7,28.6,28.7,25.4,19.6
1938,18.4,20.7,26.7,30.3,32.6,31.9,29.5,28.5,28.5,28.2,23.9,21.2
1939,19.9,21.9,25.4,28.9,31.4,32,29.6,28.8,28.6,28.9,25.6,22.2
1940,21,22.3,25,29.3,32.4,32.1,30,28.5,28.5,29.3,26.1,20.7
1941,18.8,22.6,26.8,30.8,32.6,32.4,29,28.8,29.4,29.4,25,21.4
1942,18.8,21.9,26.7,30.8,32.3,32.3,29.5,28,29,28.1,24.4,19.3
1943,18.3,21.8,26.8,30,33,31.7,30,27.8,28.5,28.6,25.6,21.5
1944,19.2,20.9,25.8,29.6,32.2,32.2,28.9,28.1,28.6,28.7,25.2,21.1
1945,17.3,20.9,26,29.4,31.7,32.1,29,28.7,28.8,28,24.1,19
1946,18.9,21.8,25.8,30.8,32.2,32.2,29.7,27.8,28.2,28.5,24,19.1
1947,18.7,21.5,26,30.3,32.5,32.5,30.2,29.1,28.6,27.1,24.2,20.4
1948,18.6,21.5,26.8,31.2,33.1,32.7,31.1,28.8,28.4,29,24.6,21
1949,20.2,22.1,26.9,31.3,33,32.8,30.3,29,29.3,28.6,23.6,20.1
1950,19.9,19.4,25.6,30,32.2,32.3,28.9,28.4,28.7,28.8,23.6,19.5
1951,18.2,20.9,26.7,29.1,32,32.5,31,28.7,29.4,29.5,25.4,21
1952,20.1,22.3,26.4,30.9,33,32.3,29.2,27.8,28.1,28.6,24,20.6
1953,18.9,23.2,27.9,30.5,32,32,30.2,28.2,28.7,28.9,24.5,22.2
1954,18.6,22.4,27,30.3,32.5,32.2,30,28.9,28.6,27.5,24.2,20.3
1955,19.2,22.1,27.7,29.8,32.2,32,30.5,28.2,28.5,28.8,23.8,20.5
1956,19.2,20.8,27.1,30.5,32.4,32,28.1,27.7,28,27.5,24.1,20.5
1957,18.9,19.9,25.1,29.5,31.7,32.3,30.2,29,28.5,28.5,25.8,21.1
1958,21.1,22.4,27.3,31,32.9,32.7,29.9,29.5,28.6,28.5,24.9,21.6
1959,19,21.5,27.1,31.1,33.3,32.4,28.7,28.2,28,28.3,24,20.5
1960,18.7,22.9,25.4,29.6,32.1,31.9,30,28.3,28.9,28,25,21.3
1961,19.5,20.4,27,29.8,32.2,31.3,29.1,29,28.2,28.2,24.2,19.6
1962,17.9,22.3,25.8,30.2,32.6,32,29.8,28.4,28.5,27.9,24.8,20.7
1963,19.9,23.2,27.1,30.3,32.3,32.3,30.3,28.5,28.5,28.5,25.2,21.7
1964,17.6,21.4,27.1,30.8,32.5,31.8,29.7,28.8,28.5,27.8,23.6,19.9
1965,21.1,22.6,26.3,29.5,31.7,32.2,29.7,28.7,28.6,29.1,25.3,20.4
1966,20.7,24.3,26.4,29.7,32.3,31.8,30.4,29.2,29.2,29.6,24.9,20.3
1967,17.9,22.5,26.5,30,32.5,31.5,29.5,28.7,28.8,29,25.2,20.9
1968,18.3,20.4,26.4,29.8,31.5,32.5,30.9,28.2,29.1,29.5,26,21
1969,19.5,21.7,27.6,31,32.6,32.8,30.7,28.6,28.9,29,25.6,21.8
1970,20,21.9,26.2,30.8,32.9,32,29.9,28.8,28.6,29.4,24.1,20
1971,18.7,21.6,26.5,31.4,32.4,31.4,29.4,28.5,28.9,28.1,24.6,21.1
1972,19.6,19.4,26,29.7,32.5,32.6,30.4,29.1,29.3,29,25.3,20.8
1973,18.1,22.5,26.4,31.1,32.9,32.5,29.4,28.6,27.8,28.6,24.3,20.3
1974,19.4,20.4,27.4,30.8,32.4,32.1,30.9,29.8,30.1,30.1,24.4,20.4
1975,18.4,21.4,25.3,30.2,32.1,32.2,30,28.6,28.7,28.3,23.5,20.8
1976,19.7,21,26.4,30,31.8,32,30.1,28.4,28.7,29,27,21
1977,19.4,22.2,28.8,31.1,32.8,32.3,29.5,28.8,28.6,29.9,26.6,22.2
1978,19.5,21.5,25.7,30.6,32.7,32,29.5,28.6,28.2,29,26,21
1979,19.9,20.8,25.4,30.6,31.5,33,30.8,28.5,29.5,28.6,25.8,21.7
1980,19.6,22.9,26.6,30.5,32.7,31.7,29.5,28.3,28.4,28.6,24.9,20.7
1981,19.1,21.3,26.1,30.1,32,32.9,29.8,28.4,29.6,29.1,23.4,20.8
1982,19.5,21.4,25.4,29.8,31.7,32.6,30.5,29,29.2,29.9,24.8,21.5
1983,19.4,21,25.2,28.7,32.4,32.1,30.4,28.9,29.4,28.2,23.5,19.9
1984,18.2,20,26.9,31.2,32.6,32.2,29.3,27.4,27.8,27.9,24.2,20.7
1985,19,21.9,27.3,30.3,32.3,32.4,29.6,28,28.9,28.1,25.2,21.5
1986,19.4,21.6,26.6,30.8,32.8,32.3,30.2,28,28.6,28.5,25.8,19.9
1987,19.7,22.8,27,30.6,32.5,33.3,31.7,30.5,30,30.4,26.5,21.7
1988,21.3,24,26.9,31.5,33.3,33.2,30.3,29.4,29.9,29.4,25,21.9
1989,18.7,21.8,26.1,30.3,32.5,31.9,29.8,28.6,29.1,29.1,25.9,21.4
1990,20.6,22.6,25.8,30.4,32.9,32.7,30.1,28.3,28.5,29.2,25.6,21.2
1991,18.6,21.6,27,30.9,32.8,32.9,30.5,28.9,27.6,28.5,25.3,21.5
1992,19.5,20.3,26.3,29.3,32.4,32.9,30.4,29.1,28.6,29.2,25.6,22.2
1993,20.9,23.5,26.7,30.4,32.8,33.2,30.7,30.1,29.8,30.2,26.6,22.2
1994,20.5,22,27.9,30.5,32.9,32.5,29.3,28.9,29.3,29.2,25.9,20.9
1995,19.4,22.6,25.9,30.1,32.8,33.2,30.8,30,29.4,30.4,25.2,21.5
1996,20,23.1,28.1,30.7,32.8,32.8,30.9,29,28.8,28.7,24.3,21.1
1997,19.3,21.9,27,29.4,32.1,31.5,30.8,29.3,29.7,29,25.4,20.1
1998,19.6,22.3,26.5,31.4,33.5,33,30.6,29.5,29.7,30.3,25.2,21.6
1999,19.5,23.1,26.9,30.8,32.2,32,30.2,29,29.6,29.4,25.4,21.3
2000,20.3,21.5,26.7,29.9,32.6,32.9,29.7,29,29.2,30.2,25.7,21.5
2001,19.3,21.7,26.8,30.7,32.8,31.5,29.1,29.3,29.5,29.7,25.9,22
2002,19.9,22,27.5,31.3,33.4,32.7,30.3,28.4,28.8,29.7,25.8,22.3
2003,20.7,23,27,31.6,32.7,32.7,30.1,29.2,29.1,29.2,25.5,20.9
2004,19.8,22.3,29,31.7,32.7,32.5,30.9,28.1,29.7,29,26.4,22.8
2005,19.1,21.5,26.6,30.7,32.7,32.5,30.2,28.7,29,29.5,25.6,20.3
2006,19.7,24.5,26.6,30.6,32.8,32,30,27.8,29.6,29.9,26.2,21.8
2007,20.4,23.6,27.1,31.4,33,32.8,30.7,29.2,29.8,29.3,26.3,21.3
2008,18.8,19.8,26.9,30.4,32.3,31.9,30.2,28.3,29.5,29.7,25.7,22.6
2009,21.3,23.7,28,31,33.2,32.7,30.3,30,29.9,29.2,25.7,22.1
