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