1901,19.4,21.1,25.3,28.7,31.1,29.5,25.5,24.8,25.9,24.8,21.2,18.4
1902,19.8,21.5,26.3,29.3,31.5,30.3,25.3,25.5,25.3,24.6,20.9,18.4
1903,19.6,21.2,25.5,28.7,30.5,29.1,25.6,25.2,25.4,24.1,20.1,18
1904,19.4,21.2,25.3,29.4,30.3,27.8,25,24.8,25.3,24.3,20.8,18.6
1905,18.9,20.1,24.8,27.5,30.3,30.5,25.4,24.7,25,24.3,21.4,18.4
1906,19.8,22.1,24.7,29.3,32.1,28.2,25,24.6,25.7,24.7,21.3,19.4
1907,19.8,21.3,24.7,27.5,30.4,28.2,25.6,24.1,26.1,25.1,21.8,18.1
1908,18.2,21.7,25.2,29.7,31.5,29.9,25.2,24.4,25.2,24.5,20.7,17.9
1909,20.4,21.8,25.7,27.4,30.7,27.1,23.9,24.5,25.2,23.6,20.4,19
1910,18.7,20.9,26.3,30.8,32.4,28.8,25.9,25.3,25.9,24.5,19.4,16.4
1911,19.3,19.8,25.4,30.1,32.6,27.7,26.2,24.6,25.6,24.4,21.4,17.5
1912,18.7,22.3,26.7,29.4,32.5,31.6,25.4,25,25.7,24.7,20.7,17.3
1913,17.9,22.2,25.6,31.1,31.6,27.8,25.5,25,25.8,24.4,20.3,18.6
1914,18.3,22.7,26.3,27.9,31,28.8,25.3,25.2,25.5,24.2,21.1,18.6
1915,18.8,21.5,25.1,29.7,32.6,30.8,26.4,25.7,25.8,25.5,23,18.5
1916,18.3,21.8,26.2,30.6,31.9,27.1,26,25.3,25.9,25.3,21.8,17.3
1917,18.3,20.7,24.9,28.8,31,26.9,24.9,25.3,25.2,24.3,20.7,17.5
1918,18,20.9,25.6,28.9,30.3,26.3,26.3,24.8,26,24.3,22.6,19.1
1919,20.5,21.9,26,29.5,30.9,27.5,25.5,24.8,25.8,24.4,21.6,18.1
1920,19.1,21.7,26.4,29.7,30.9,30.1,25.2,25.2,26.3,25.3,21.1,17.7
1921,19.8,21.2,27.3,30.5,35.3,29.4,26,25,25.3,23.9,19,18.4
1922,19.2,21.5,26.8,31,33,28.6,24.8,25.4,25.4,24.1,21.6,17.1
1923,18.6,21.3,25.4,29.9,32.8,32.4,25.3,24.8,26.1,24,20.9,18.3
1924,19.3,22.4,27.1,30.9,32.4,31.5,25.6,25.6,25.6,24.3,20.7,17.7
1925,18.3,20.7,25.6,30.2,30.1,28,24.3,25.1,26,24.7,21.7,17.9
1926,20,22.4,26.1,28.5,30.9,32.4,25.9,25,25.7,24.1,20.2,18.4
1927,20.9,22.7,26.4,31.1,32.4,29.8,25.2,24.8,26,24.1,20.4,18.5
1928,19.2,21.5,26.2,29.8,32.7,29,25.2,25.9,25.9,25.4,20.6,18.8
1929,19.7,20.2,25.7,28.4,32.8,28.8,24.8,24.7,26.2,23.7,19.8,18.8
1930,18.6,20.4,26.1,29.4,32.1,29.5,25.1,24.9,25.5,24.8,20,18.2
1931,18.7,22.4,25.8,30.5,32.5,31.2,25.5,25.3,26.3,24.9,20.6,18.1
1932,18.7,20.4,26.1,29.8,32,30.6,25.1,25.5,25.7,25.4,21.8,18.1
1933,19,22.9,26.1,29.2,30.3,27,25.6,25.4,25.5,24.5,21,18.8
1934,18.8,21.2,26,30.3,33.3,29.4,25.4,25.2,25.5,23.8,20.2,18.2
1935,19.1,22.1,26.2,28.7,33.8,31.2,24.9,25.1,25.5,24.7,20.5,19.1
1936,21,21.3,26.4,29.9,31.9,26.6,25.5,24.8,25.9,24.6,22.5,19.1
1937,18.2,22.4,25.6,27.7,32.5,30.2,25.1,25.2,25.6,24.3,20.9,18.3
1938,21.2,21.3,27.6,30.3,32,26.6,25.4,25.6,25.8,24.3,19.9,17.9
1939,19.7,22.4,25.6,30.2,33.7,30,24.8,25.1,25.5,25.2,20.3,17.8
1940,17.4,21.6,25,29.4,31.5,28.9,24.5,25.1,26.3,25.1,22.3,19.2
1941,20.3,22.3,27.4,31.9,32.6,28.3,25.8,25.8,26.3,24.5,19.6,19.1
1942,19,21.8,26.8,30,33.2,30.9,24.6,25.3,26.5,23.7,20.8,19.2
1943,21,19.7,26.2,28.8,31.6,28.3,25.2,24.7,25.9,24.7,21,17.2
1944,19,20.9,24.6,27.5,32,29.8,24.7,24.7,25.2,24,20,18
1945,18,20.4,25.8,28.1,31.9,29.5,25.1,25.3,25.4,23,19.1,17.8
1946,18.6,20.6,26.5,27.6,31.2,27.7,25.1,24.8,25.9,25.1,22.9,20.5
1947,20.6,20.7,27,31.3,33.2,30.1,24.8,25.5,25.5,24,20.5,18.3
1948,19.8,22.4,25.1,30.2,32.7,30.5,26,25.1,25.4,24.8,22.7,17
1949,18.7,20.8,26.5,29.6,31.2,28.8,25.2,25.3,25.6,24.8,21.1,18.3
1950,18.7,21.2,25,29.9,32.5,28.8,24.7,25.4,25.8,23.9,20,17.4
1951,18.1,21.7,25.8,28.9,31,29.1,25.9,24.8,26.2,25.9,21.7,18.6
1952,19.7,22.7,25.6,29.7,32,30.6,26,25.1,25.2,24.8,20.3,19.5
1953,19.5,22.9,28.2,29.9,33.9,31.2,25.8,24.9,26.6,25.4,21.1,18.7
1954,19,23.2,26.2,30.9,32.5,29.7,26,25.8,25.5,24.1,19.9,19.4
1955,19.7,23,27.2,29.3,31.4,30,25.5,25.7,25.8,24.9,20.4,18.1
1956,20.1,21.1,27.3,31,31.7,27.3,25.1,25.3,25.6,24.5,21.9,19.6
1957,20.7,21.8,25.3,29.3,31.9,29.8,25,25.6,26.4,25.9,21.7,19.8
1958,20.4,22.8,26.6,30.5,32.1,31.9,25.4,26,26,25.1,22.6,19.4
1959,20,22.4,26.6,30.4,32.5,29.2,25.5,25,25.7,25.3,21.1,18.9
1960,19.8,22.2,25.6,30.2,31.9,29.5,25.6,25.2,26.4,24.6,21.2,19.6
1961,20.3,21.1,27.8,30.4,31.9,28.2,25,25.5,25.1,24.6,20.3,17.7
1962,17.7,21.2,26.1,29.1,31.4,28.2,25.4,25.2,26,24.9,21.2,19.2
1963,18.3,22.1,26,28.2,31.3,28.7,25.6,25.4,25.9,25.4,22.5,19.1
1964,20.8,23,27.4,30.6,32.6,29.1,25.3,24.7,26,25.3,21.6,19.2
1965,20.1,22.1,26,29.4,32.1,30.2,25.7,26.3,26.1,25.6,22.2,20
1966,19.8,23.2,27.1,30.6,33.7,29.5,27,25.9,26.3,25.4,23.5,18.9
1967,20,22.9,25.2,29.6,33,30.5,26.5,25,25.9,24.6,21.5,21
1968,19.3,22.1,25.1,28.1,31.8,29.7,25.9,25.4,26.1,24.5,22.1,19.7
1969,19.7,23.9,28.4,31.3,31,29.6,25.3,25.3,25.6,25.2,22.9,18.5
1970,19.8,23.4,26.6,29.7,32.6,27.3,25.4,25.4,25.8,25,20.5,17.6
1971,19.8,22.4,25.3,28.3,29.6,26.3,25.1,25.1,26.1,24.7,19.8,17.7
1972,18.6,21.2,27,29.6,32.9,31.7,26,25.6,25.7,24.2,21.5,20.4
1973,20.9,23.8,26.9,31.9,33.9,30,25.5,25.2,26,25.2,20.8,18.5
1974,18.7,22.7,27.4,31.4,31.7,29.6,26.2,25.5,26.4,25.3,21.1,18
1975,18.6,22.5,27.2,31.2,33.5,28.4,25.4,25.6,25.5,25.7,20.6,17.8
1976,18,22.4,26.7,29.6,31.9,29.5,25.2,25.3,25.7,25.6,24,20.4
1977,19.8,22.8,28,29,30.3,30,25.7,25.4,25.2,24.2,23.3,17.9
1978,17.9,21.2,25.2,29.3,32.6,29.5,25.3,24.6,25.6,24.6,22.4,18.4
1979,19.6,21.8,25.6,30.1,31.4,30,26.7,25.5,26.5,25,23.3,19
1980,19.8,22.4,26.7,30.9,32.4,27.7,25.1,25.2,25.6,24.3,22.4,19.3
1981,18.2,22.2,25.4,29.9,31.1,29.6,25.7,25.3,26,24.4,20.6,18.7
1982,20.3,22.7,26.2,29.6,31.1,29.8,27.1,24.8,25.8,24.8,21.8,19.1
1983,19,22.6,26.8,30.2,31.5,31,26.6,25.8,26,24.4,19.8,18.1
1984,20.4,21.8,25.9,29.1,32.9,27.5,25.4,25.1,25.2,24.8,19.6,19.1
1985,20.3,21.6,27.3,30.6,32.2,29.1,25.4,25.3,25.4,23.5,20.5,19.5
1986,18.4,22.1,26.4,30,32.1,28.4,25.6,25.2,26.2,24.8,21.6,19.7
1987,19.1,21.3,25.4,30.2,30.4,30.5,25.9,25.9,26.5,25,22.1,19.1
1988,19.7,22.8,26.6,29.7,32.8,29.1,25.5,25.5,26.2,23.9,20.7,19.4
1989,18.7,21.5,25.5,30.3,32.7,28.3,25.9,25.7,25.8,24.8,21.6,18.5
1990,19.5,22.4,25.1,29.7,30,27.6,24.9,25.6,26.1,24.3,22.5,19.6
1991,19.9,23.3,27.1,29.6,31.9,28.7,26.1,25.2,25.9,24.8,21.1,18.4
1992,18.3,21.6,27.2,30.3,31.8,28.8,26.9,25.1,26,25,23.4,18.4
1993,19.9,21.9,25.7,29.9,31.9,30.1,26.5,25.8,25.9,26,21.9,18.4
1994,20.3,22.3,27.9,29.9,31.9,28.7,24.9,24.9,26,25.6,21.9,18.7
1995,18.4,22.2,26,29.7,30,30.9,25.9,26.4,26.4,25.5,22.4,19.9
1996,20.7,21.6,27.4,29.7,32.9,29.5,26.4,25.5,27.1,25.4,22.4,18.9
1997,18.5,21.1,26.6,28.3,31.1,30.6,26.4,25.7,26.4,25.4,24.2,21.5
1998,20.5,22.7,26.3,30.2,32.5,30.9,26.4,26.5,27,26.8,23.7,18.4
1999,17.8,23.4,26.9,31.8,31.1,28.5,26,25.3,25.8,26,22.1,18.9
2000,21.4,22.2,26,31.2,31.5,27.7,26.1,25.9,26.3,26.5,22.7,18.8
2001,19.4,22.8,27,29.1,31.9,27.1,25.3,25.5,27.1,26,23.8,19.2
2002,19.7,22.9,27,30.5,33.2,29.2,27.2,25.1,26.1,26,22,20.2
2003,19.9,23.4,25.8,31.1,33.4,31.8,25.7,25.5,25.8,25.4,21.9,19
2004,18.5,20.8,26.6,30.1,31.3,27.9,25.6,24.8,26.3,25,21.7,19.2
2005,20.4,23,27.2,30,31.9,30,25.8,25.7,26.3,25.6,21.1,19.3
2006,19.7,23.2,25.8,29.4,30.7,29.3,25.6,25.2,26.5,25.8,22.6,20.1
2007,19.6,22.3,25.6,29.9,31.8,29.4,26.3,26,26.5,25.1,22,20.3
2008,20.1,21.4,26.3,29.6,32.2,27.5,25.5,25.4,26.1,25.7,23.1,20.7
2009,20.9,24,26.6,31.1,32,30.9,25.6,26.5,27.1,24.9,23.6,19.9
