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