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