1901,15.7,15.9,16.9,18.5,21.4,23.8,25.9,25.7,25,22.5,19.6,16.6
1902,15.4,14.7,14.4,19.5,22.5,25.3,25.9,25.9,24.9,22.7,19.9,17.4
1903,15.6,15.2,17,20.2,21.9,24,26.2,25.7,24.6,22.2,20.2,17.5
1904,14.7,14.6,17.1,20,22.1,25.2,26.3,25.7,24.4,22,19.7,17.5
1905,16.5,16.9,17,19.4,22.2,26.1,26.9,26.6,25,23,20.1,16.2
1906,15.3,16.2,17,20,22.8,25.4,26.7,25.5,25.3,22.9,19.8,16.4
1907,16.1,16.3,17,20.1,21.8,24.8,26.4,25.8,25,22.6,19.2,17.7
1908,16.3,15.7,17.6,20.1,22.5,25.5,26.5,26.2,25.2,22.6,19.7,15.7
1909,15.4,14.2,17.3,18.1,21.3,24,25.5,26.4,24.1,22.2,19,15.3
1910,14.4,14,16.5,19.5,22.4,24.7,27,25.1,24.4,21.5,19.3,17.1
1911,16.5,15.2,17,19.8,22,24.8,25.6,25.5,24.5,22.1,19.5,15.9
1912,16.5,16,17.1,19.2,22.5,24.7,26.3,26.6,25.6,22.9,19.2,16.4
1913,15.6,15.8,16.8,19.7,22.2,24.5,27.1,26.3,25.2,23.1,20.8,17.4
1914,17.3,16.5,17.4,20,22.1,24.6,26,26.3,25.3,23.1,20.7,17.1
1915,15.8,16.4,16.9,19.7,22.2,25.6,26.9,26.9,25.5,23.3,20.4,17.9
1916,17.3,17.8,18.6,20.3,22.6,25.9,26.8,26.6,25.5,23.4,19.6,17.5
1917,16.4,16.6,16.9,19.6,21.7,25.8,27,26.9,26.1,24.1,21,18.5
1918,16.1,17.1,18.5,20.7,22.1,25.7,27,26.5,25.9,23.7,19.7,17.2
1919,15.1,15.8,17.1,20.6,22.8,25.2,26,26.6,25.5,23.1,20.4,18.1
1920,16.4,17.4,17,19.4,22.6,24.8,27.1,26.4,26,22.9,20.1,17.4
1921,15.8,15.4,16.7,18.7,21,24.3,25.6,25.5,25,23.3,20.6,17.9
1922,15.6,15.8,15.6,18.1,22.2,25,26.4,26.2,25.1,23.1,18.2,17.9
1923,17.1,15.5,16.3,19.7,22.7,24.6,26.1,25.8,25.1,22.8,20.3,17.4
1924,16.9,17.3,17.1,18.3,21.5,24.3,26.1,26,24.8,22.7,19.6,15.8
1925,14.2,16.4,17.8,20.4,23,24.1,26.3,26.4,25.2,22.4,20.4,18
1926,16.1,17.8,18.2,19.9,22,25.2,26.3,26.1,24.9,23.1,20.3,17
1927,16.1,16.8,16.3,18.8,22.4,24.6,26.1,25.7,24.5,22.6,20.7,17.7
1928,17,16.5,18.3,19.8,23,24.9,26.1,25.6,25.2,23.4,20.6,17.3
1929,15.8,15.3,15.9,19.5,22.1,24.6,26,25.7,25.3,22.6,19.2,18.3
1930,16.5,17,17.3,20.4,21.4,25.6,26.3,26.3,25.8,22.4,20.3,18.1
1931,16.5,17,18,20.7,22.2,25.1,25.9,25.8,25.5,23.7,20.2,16.4
1932,14.3,15.6,16.7,20.3,22.4,24.8,26,25.7,25.5,23,20.4,17.3
1933,16.4,16.3,17.9,20.1,23,25,25.4,25.5,24.6,23,21.2,17.9
1934,16,17.1,19.8,20.3,22.9,24.3,26,26,25.6,24.1,21.2,19.9
1935,17.9,16.8,18.1,20.6,21.2,24,26.5,26,25.1,23.6,21.2,18.7
1936,17.5,18.1,19,21.6,24.1,25.1,26.2,26.3,25.5,23.9,22.2,19.5
1937,16.5,17,19.1,21.6,23,24.7,26.8,27.2,26.1,24.7,22.5,19.5
1938,18.4,18.7,19.1,20.4,23.2,25.9,27.6,28.1,26.6,25.2,21.5,19.4
1939,16.3,15.3,15.8,19,22.5,23.6,25.7,27,25.7,21.5,21.5,19.1
1940,16.4,16.2,18.3,20.1,23.2,24.2,26.1,26.9,24.9,22.6,19.3,18.3
1941,16.7,17.6,19,21.1,25.3,27.5,28.7,27.7,25.4,24.5,22.6,18.9
1942,16.4,17.8,17.7,19.5,25.5,26,27,26.4,25.3,21.4,19.9,16.5
1943,15.7,18.7,18.4,22.1,24.1,25.3,28.3,28.7,25.4,24.7,21.2,18.5
1944,14.5,16.2,17.3,21.2,24.2,25.3,26.2,25.9,25.7,23.5,19.6,17.5
1945,17.2,16.6,20.6,19.4,24.6,26.7,27.1,28,26.2,22,20.8,17.3
1946,18.4,16,16.6,20.3,23.9,25.1,26.9,26,26.5,25,21.7,19.5
1947,18.6,18.4,19.5,20.9,22.5,24.5,27.9,26.8,26.3,24,20.5,19
1948,17.5,17.6,16.4,22.1,24.5,23.3,27.1,25.9,24.8,23.4,20.1,17.2
1949,17.9,16.9,20.7,20.6,24.5,27.3,26.5,25.9,26.3,22.6,22,17.6
1950,17.6,17.8,17.7,18.3,22.8,26.8,25.4,26.8,25.3,24.7,22.4,19.5
1951,17.4,18.4,19.9,22.6,22.8,26.9,27.9,28,26.7,25.3,23.5,20
1952,18.9,17,16.8,21.8,23.6,26.1,27.4,27.3,26.5,24.2,21.8,17.7
1953,16.7,18.2,19.6,22.6,23.2,26.7,28,27.1,25.7,24.5,21.1,18
1954,17.2,18.3,20.1,22.7,22.6,25.7,27.4,25.4,26.1,23.2,20.7,18.1
1955,14.3,15,17.6,19.1,20.9,23.5,25.8,26.7,25,24.1,21.9,19
1956,16.6,15,18.7,20.7,24.8,27.4,26.7,27.8,26.3,23.9,22,18.1
1957,18.3,19.1,17.4,20.7,22.5,25.1,27.1,28.6,26.9,23.5,20.1,19.3
1958,17.4,17.5,17.5,21.1,24.9,27.6,27.8,27.6,26.5,23.7,21.9,19.9
1959,17.4,17.1,17.6,21.4,24.8,27.5,27.1,27.7,26.4,24.3,22.1,18.8
1960,18.7,16,18,20.6,22.3,25.4,27.1,26.3,26,24,22.6,17.5
1961,16.8,17,17.6,20.8,21.8,26.2,27.1,26.7,26.5,24.9,19.5,18.2
1962,14.5,16.9,16.9,21.9,23,24.9,28,28.2,26,24.1,21.8,19.1
1963,17.1,18.2,19.8,20.7,23.3,26.5,27.2,27.5,26.6,24.4,22.3,19.7
1964,17.2,16,15.6,21.1,22.8,24.3,27.1,26.7,25.7,23.3,20.3,17.7
1965,16.8,14.4,16.8,20.4,22.1,24.6,27,27.1,25.2,23.2,22.7,18.5
1966,15.6,14.5,18,20.1,25,27,27,26.8,25.8,23.2,21.3,17.7
1967,14.5,16.5,18.4,20.8,23.9,26.1,27.1,25.9,26.5,23.5,22.5,17.7
1968,17,17.5,16.9,20.3,23.6,23.6,26.8,26.3,25.6,24,19.9,17.9
1969,17.8,16.8,17.1,21.7,23.3,24.3,27.9,27.7,26.9,22.9,21.6,17.4
1970,15.3,16.6,17.4,19.6,22.9,25.8,26.8,27.3,25.5,22.6,20.6,18.6
1971,16.7,16.1,18.3,20,23.1,25.7,27.1,25.9,25.7,23.3,20.9,17.5
1972,16.2,17.1,20.3,21.9,23.8,25.5,27.9,26.8,26.2,24.3,20.2,18.8
1973,16.4,16.4,16.3,18.3,23.5,24.8,27,26.7,25.4,23.9,20.7,16.7
1974,16.7,15.5,17,21.4,22,26.8,26,26.8,25.6,23.7,20,15.6
1975,14.6,15,17,19,21.3,24.1,26.1,26.5,25.8,23,20.4,16.9
1976,15.7,17.3,17.9,19.7,22.5,26.4,26.5,27.2,24.8,22.3,19.3,17.2
1977,16.3,16.2,16.2,18.6,22.9,26,27,26.2,26.6,23.7,22.4,20.6
1978,16.8,16.5,19.5,20.8,22.6,24.8,27.2,25.4,24.8,23.9,19.3,17.7
1979,15.6,16,17.3,19.8,20.9,26.1,27,26.3,24.9,23.3,18.4,16.7
1980,15.9,18.3,19.1,20.2,22,27.5,27.3,26.6,25.7,23.7,19.5,18.3
1981,17.3,17.4,16.9,21.5,22.2,24.7,26.8,26.7,25.2,22.8,20,18.3
1982,16.5,16.9,18.5,22.4,21.9,25.4,26.8,27,26.8,22.2,20.1,17.2
1983,16.8,16.9,17.8,18.8,23.1,25.2,27.3,25.8,25.9,23.9,20,18.3
1984,16.7,16.1,18.2,19.9,23.7,25.7,25.8,25.9,24.8,21.8,19.3,18.2
1985,15.1,16.8,18.4,20.8,23.4,23.3,27,26.9,25.4,23.7,21.5,17.6
1986,18.3,17.9,19.8,23.2,23.1,25.4,27.4,26.8,26.3,23.1,22.2,18.9
1987,16.8,16.9,17.8,21.8,21.6,26,28,28.7,24.2,25.6,21.7,19.1
1988,17.2,19.3,20.3,22.2,24.3,26.9,27.9,27.2,26.1,22.4,21.4,17.9
1989,15.6,16.1,18.5,21.7,22.9,27.9,26.4,27.2,26.6,24.2,20.6,17
1990,15.7,17.2,19.1,21.6,23.8,27.6,26.9,27.8,27.2,25.3,21.9,19.2
1991,16.4,16.6,18.1,20.5,22.8,24.8,26.4,26.7,25.7,23.3,19.8,17.2
1992,16.7,17.2,17.6,20.5,22.7,24.8,26.4,26.2,27,23.2,19.2,17.5
1993,16.7,17.2,17.5,20.5,22.8,25.2,26.3,26.8,25.8,23.6,20.8,18.4
1994,18.2,17.9,19.8,21.8,24,26.6,28.1,26.7,27.4,24.6,21.7,19.6
1995,17.2,19.5,19.5,20.6,22.8,25.3,28.2,27,25.5,23.9,22.3,18.7
1996,17.4,18.8,19.3,22,24.8,26.4,27.9,26.8,25.3,24.4,22,18.5
1997,17,17.1,19.8,20.1,25.3,27.5,29,27.9,27.5,25.1,22.1,19
1998,18.5,17.6,19.4,21,24.2,28.6,28.4,27.7,25.9,25.3,21.5,18.3
1999,17.4,18.1,18.5,21,23.8,26.6,27,27.2,25.9,25.1,22.3,18.1
2000,17.6,18.9,18.5,21.9,23.5,27.2,28,27.4,27.2,23.7,19.6,18.7
2001,17.1,17.8,17.7,21.2,23.8,27.2,28.1,28.2,26.8,24.1,22.3,18.5
2002,17.5,17.8,18.6,22.3,24.3,25.3,27.8,27.2,26.7,24.1,22.3,18.7
2003,19.4,18.6,19.2,22,24.4,25,27.6,27.3,26.2,24.9,22.1,18.8
2004,16.8,16.8,20.1,21.2,25,27.1,28.1,28,26.6,24.1,20.6,18.9
2005,18.7,17.9,18.8,22.6,23.4,25.1,27.4,27.5,27.9,23.5,21.7,18.8
2006,17.8,18.4,19.1,22.7,24.3,27.2,28.6,27.2,26.6,25.3,22.6,18.9
2007,16.6,18.1,20.6,21.3,23.6,26.8,27.4,27.6,26.7,24.8,21.9,18.8
2008,17.2,17.2,18.8,22.9,23.6,25.9,27.1,27,26.8,25.5,22.4,20.1
2009,18.6,18.7,20,21.3,25.1,26.8,29,28.7,27.6,23.9,21.8,18.4
