1901,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1902,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1903,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1904,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1905,20.2,23.3,27.5,31.1,32,31.6,30.5,28.8,29.4,28.6,24.8,21.5
1906,20.2,23.4,27.6,31.2,32,31.6,30.5,28.8,29.5,28.6,24.7,21.5
1907,20.3,23.3,27.6,31.1,32.1,31.6,30.5,28.8,29.4,28.7,24.7,21.3
1908,20.3,23.4,27.6,31.1,32.1,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1909,20.3,23.4,27.7,31.1,32,31.5,30.4,28.7,29.4,28.5,24.7,21.4
1910,20.3,23.4,27.6,31.1,32,31.7,30.5,28.8,29.4,28.6,24.7,21.4
1911,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1912,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1913,20.3,23.4,27.5,31.1,32,31.7,30.6,28.9,29.5,28.6,24.7,21.4
1914,20.4,23.4,27.6,31.1,32.1,31.7,30.6,28.8,29.5,28.6,24.8,21.4
1915,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1916,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1917,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1918,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1919,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1920,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1921,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1922,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1923,21.6,23.3,28.6,31.7,32.3,31.8,30.2,28,29.4,29,25.5,22.2
1924,20.9,25.4,29.4,31.9,32.4,31.6,29.7,28,28.3,28.6,24.7,21.1
1925,18.1,22.3,28.2,31.1,31.8,31.2,30.5,28.1,29.4,28.1,25.4,21.7
1926,21,23.4,27.1,30.3,31.7,31.5,31,29.6,30.6,29.7,25.9,22.4
1927,20.7,24.1,27.8,31,32.8,31.8,30.5,28.2,30.5,29.1,25.3,22.5
1928,20.8,22.1,28.7,31.1,31.6,31.1,30.6,27.8,29.6,28.8,25.1,21.1
1929,19.5,23.6,27.8,31.1,32.3,30.5,29.3,27.5,28.7,28.4,25.1,19.9
1930,19.8,24,27.6,31.2,32.1,31.6,30.3,29,29.8,29.5,25.7,23.4
1931,20.9,24.7,28.8,32.6,32.7,31.8,30.6,28.9,29.2,29.7,26.1,23.2
1932,20.3,24.3,29.3,32.1,32.5,31.9,30.5,29,29.5,29.4,25.8,21.9
1933,20.9,23.4,27.5,31.7,31.9,31,30.2,28.6,29.4,28.5,26.2,22.3
1934,20.3,23.3,28.6,32.2,32.2,31.8,30.8,28.7,30.1,29.9,26.4,22
1935,21.7,24.4,29.3,31.6,32.9,31.3,30.8,28.6,29.5,28.8,26.1,22.6
1936,20.1,24.8,29.5,31.7,32.2,31.5,29.7,27.6,28.9,28.9,26.1,21.4
1937,20.2,23.6,28.3,31.2,32,32,30.4,28.9,29.7,29.9,25.7,22.4
1938,20.9,24.1,27.9,32.3,33.3,32.7,30.9,28.6,29.5,29.3,26.6,21.4
1939,21.3,24.6,28.8,31,32.2,31.6,30.8,29,29.4,29.4,25.5,23
1940,20.3,23.4,27.6,31.1,32,31.6,30.5,28.8,29.4,28.6,24.7,21.4
1941,22.6,24.2,29.1,33,32.7,31.7,31,29.2,30.2,28.8,25.6,21.9
1942,22.5,26.2,27.6,31.3,31.3,32.3,30.2,27.7,30.2,28.7,25.6,22.7
1943,21.2,23,26.8,29.4,30.9,30.6,30.3,27.8,28.4,28.9,26.8,22.8
1944,19.3,23.3,28.2,30.1,30.9,32,30.9,28.3,28.9,29,25,22.7
1945,22.4,21.4,25.6,29.6,29.9,31.5,30.9,27.6,28.7,28,25,20.7
1946,21.4,23.9,27.2,30.5,31.3,30.5,29.3,27.1,27.9,27.8,25.3,21.6
1947,20.1,26.1,26,30.3,31.1,31.1,30.7,28.1,28.7,28.3,24.5,22.6
1948,19.9,23.3,24.9,31.1,31.9,30.5,30.4,28,28.8,27.1,23.8,20.2
1949,20.3,22.3,27.9,30.2,31.6,31.5,30.7,28.2,28.8,29.2,25.7,19.3
1950,20.8,21.8,27.7,29.7,31.3,31.2,28.9,26.5,28.9,27.6,24.2,21.5
1951,20.3,23.3,28.3,29,32.1,31.2,31,28.7,28.9,28.9,23.9,18.7
1952,21.1,22.8,26.2,30.9,32.4,31.6,30.8,27.4,28.6,27.4,24.6,21.5
1953,21,25.2,28.5,29,31.5,30.9,29.7,28.3,28.4,27.6,24,19.3
1954,20.4,25.4,28.5,30.9,30.8,30.5,29.2,26.7,28.7,27.4,25.9,21.1
1955,21,23.5,27.5,29.8,31,30.3,30,28.4,28.5,28.1,24.1,20.5
1956,19.5,25.3,28.8,28.4,30.1,30.1,30,27.4,27.7,26.2,25.2,21.1
1957,19.1,23.3,25.3,29.2,31,30.9,30.1,28.9,28.8,28.6,26.2,22.4
1958,21.5,21.8,27,30.4,30.3,31.3,28.3,29.1,28.5,26.9,25.2,23
1959,20.7,21.8,26.1,29.8,31.6,30.9,31.1,27.3,27.7,26.1,24.3,20.5
1960,19.9,23.2,27,30.6,29.7,30.7,29.3,30,28.8,27.6,23.8,24
1961,21.1,20.8,26.6,30.1,30.3,31.3,29.3,27.1,27.6,26.3,22.4,18.7
1962,18.8,21.9,27.9,30.3,30.2,30.7,30,27.4,28.7,28.3,26.1,21.7
1963,20.4,25.2,26.5,29,31.2,31.4,29.9,28.5,29.2,29.2,23.9,21.1
1964,20.1,21.9,27.9,30.5,31,30.8,29.7,27.1,28,26.6,24.5,21.4
1965,21.7,23.6,26.1,29.7,30.7,30.4,30.5,26.8,28.5,27.4,22.6,19.5
1966,21.1,21.6,28.2,29.8,33.3,30,30.9,28.9,31.6,27.8,24.7,21
1967,18.6,23,25.9,30.3,30.6,30.8,30.5,28.1,28.5,26.6,23,21.9
1968,20,22,27,29.5,30.1,30.4,30.1,29.7,29,28,24.9,21.8
1969,19.9,24,29,31.5,30.9,31.9,31.1,28.9,29.5,30.3,25.3,23.5
1970,21.5,23.2,26.5,30.5,31.7,30.6,30.8,28.6,28.7,28.4,24.1,20.6
1971,19.5,23.8,28.9,30.4,31.4,32,30.2,27.9,28.1,27.8,24.4,20.8
1972,20.2,24.3,29,31.3,31.7,31.1,30.8,30.4,30.2,29.1,24,22.5
1973,21.4,26.1,28.1,31.7,32,32.7,31.7,29,30.3,29.7,23.4,23.6
1974,20.2,24.3,28.7,32.9,32,31.7,29.5,28.7,28.9,29.4,25.4,19.8
1975,18.2,23.8,27.6,31.5,32.8,32.2,30.3,29,29,28.6,26.2,22.1
1976,20.9,25.8,27.2,31.5,32.6,31.9,30.8,29.4,29.3,29.8,25.6,22.7
1977,20.8,22.9,26.2,30.5,31.9,32.2,30.4,27.8,28.9,28,24.1,20.5
1978,19.7,24.4,28.4,32.8,32.5,31.7,29.6,28.9,28.8,29.1,24.3,21.8
1979,21.1,24.2,29.4,31.3,32.4,30.3,30.1,29.2,30.2,29.8,27.1,20.7
1980,21.4,24.3,28,32.1,33.5,31.8,29.8,28.3,30,29.4,26,20.6
1981,18.1,23.8,28.4,31.8,32.8,32.2,30,29.7,30,30.3,23.9,22.2
1982,21.5,23,28.3,32.4,32.7,32.7,31.3,28.8,29.9,29.3,23.1,21.7
1983,17.8,24.1,25.2,31.2,33.6,32.5,31.9,30.4,30,28.3,25.1,21.7
1984,19.2,23.3,29.1,33.1,34.1,31.7,30.9,30.8,30.6,29.8,25.5,20.6
1985,22.5,21.8,29.5,29.7,33.3,32.4,30,29.4,29.6,28.4,25.5,20.5
1986,20.1,25.1,29.6,33.2,31.9,32.4,30.4,29,29.4,29.2,25.7,19.8
1987,20.1,24.5,28.2,29.8,33.1,31.7,33.2,29.9,30.9,28.9,25.1,21.9
1988,20.3,23.5,28.6,32,32.8,32.7,30.7,27.9,29.5,28.1,24.8,20.7
1989,17.6,20.2,26.3,30.5,31.2,31.8,31.9,28.6,30.1,28.3,25,20.9
1990,22.2,21.6,25.7,32.8,32.9,32.7,30.6,29.8,30.3,28.8,26.4,24.4
1991,20.3,26.1,28.2,33.1,31.3,33.1,31,28.7,30.4,29.5,24.8,21.3
1992,19.1,21.1,29.1,31.9,32,32.2,30.4,29.2,28.9,28.3,24.9,20.1
1993,18.1,24.4,28.3,31.3,32.3,32.2,31.4,29.4,29.3,29.3,26.7,21.4
1994,20.4,22.8,28.9,32.2,33,32.2,30,27.8,28.1,29.5,24.2,19.5
1995,18.8,21.9,28.5,31,32.5,32.9,31.1,29.5,30,30,24,22.8
1996,21.6,25.1,29.5,30.7,33.3,32,31.5,29.5,30.2,29.2,23.6,21.8
1997,22,21.2,27.8,31.9,31.7,32.2,31.7,30.1,30.9,30.2,26.6,21.3
1998,20.2,24.8,26,33.2,34.4,33.1,33,29.2,29.7,30.2,26.6,22.5
1999,21.3,25.9,29.5,31.8,32.1,32,30.3,27.2,28.9,29.3,26.4,24.3
2000,20,21.8,26.8,32.6,32.5,32.6,31,30.2,29.6,28.5,25.3,20.7
2001,19.8,22.9,28.1,32.4,32.3,31.9,30.9,29.4,29.3,29.3,25.6,22.7
2002,19.8,22.7,27.9,33.3,32.9,32.3,31.8,30.9,29.6,29.6,25.9,22
2003,21,25.2,27,32.3,32,31.7,31.6,28.9,30,30.1,26.1,21.4
2004,21.7,23.8,27.2,35.2,33.7,32.6,31.1,30.5,30.3,30.5,26.2,22.6
2005,20.1,21.4,30.3,33.1,32.6,32.4,31.5,29.8,29.9,29.6,25.7,23.8
2006,20.4,27.1,29.5,31.1,33.8,33.7,32.4,28.9,29.8,29,24.5,20.6
2007,19.5,25.1,27.5,33.9,33.4,32.3,31.4,28.9,29.6,29.3,27.3,23.1
2008,19,22.9,29.4,31.7,33.1,32.8,31.2,29.6,30.4,29.7,26,24.1
2009,23.1,26.1,28.3,32.8,33.2,33.5,32,30.5,30.5,30.3,25.3,22.4
