1901,17.5,18.7,20.5,22.9,22,21.3,20.9,20.8,21.2,20.1,18.5,15.9
1902,16.5,18.2,21.4,22.7,22.6,22.2,21.5,21.6,20.1,19.9,18.2,16.8
1903,16.8,18.6,21.2,22.7,22.1,21.7,21,20.6,20.1,19.5,16.9,15.4
1904,15.9,18,20.7,22.6,21.5,20.5,20.4,20.6,20.5,20.1,17.5,15.8
1905,16.3,18.5,20.7,21.7,22.3,22.2,21.4,21.1,20.5,20,18.3,16
1906,17.3,19.2,20.4,23.5,23.5,21.7,20.9,20.6,19.5,19.8,18.6,16.4
1907,16.5,18.7,20.9,21.5,22,21.2,21,20,20.7,20.3,18.3,16.4
1908,16.7,18.3,20.2,23.2,22,22,20.3,20.4,20.6,20.3,17.7,15.8
1909,16.4,18.6,21.4,22.3,21.9,21.7,20.5,20.9,19.7,20,18.6,16.9
1910,16.7,18.7,21.4,23.1,22.8,21.5,21.3,20.2,19.4,19.5,16.8,14.9
1911,16.7,17.3,20.8,22.4,22.1,21.4,20.8,20.5,21.1,19.9,18.5,16.9
1912,16.4,19.7,21.5,23.3,23.4,21.7,20.9,20.7,20.5,19.7,17.6,15.7
1913,15.8,18.8,21.1,23.1,22.9,21.5,20.5,20.8,21.1,19.7,17.9,16.8
1914,16.1,19,21.4,22.5,23,22.6,21,20.7,20.9,20.1,18.5,17.1
1915,17.1,19.2,21.1,22.9,22.8,22.1,21.6,21.6,20.8,20.3,18.5,15.8
1916,16,18.6,21.5,23.3,22.3,20.8,21.3,20.5,20.1,19.7,17.8,15.6
1917,15.9,17.9,20.4,22.5,21.6,20.6,21.6,20.7,20,18.9,17.9,15.9
1918,16,17.5,20.2,22.2,21,21.1,21.9,21.1,20.6,20.9,19.3,16.5
1919,17.5,19.3,21,23.4,22.2,21.4,21.2,20.8,20.7,20.3,18.3,16.6
1920,16.5,19,21.6,22.6,22.8,21.8,21.2,20.9,20.7,20.4,18.3,16
1921,17.3,18.5,21.5,22.3,23.1,21.7,21.1,20.8,19.7,19.9,17.4,16
1922,16.8,18.4,21.5,23,22.2,21.4,20.7,20.7,20.3,19.7,18.1,15.5
1923,16.3,18.4,20.7,22.5,22.4,22.3,20.2,20.6,20.1,20.3,18.8,17.3
1924,17.1,19.4,21.6,23.9,23.4,21.7,20.8,21,20.4,20.2,18.1,16.4
1925,16.9,18.4,21.3,23.5,21.3,21.5,21,20.9,21,20.3,18.6,16.8
1926,17.4,19.3,21.9,22.6,23.3,22.9,22,21.1,20.6,20.2,18.4,17
1927,17.6,19.6,22.2,23.6,23,21.7,20.5,21,20.8,20.1,17.8,17.1
1928,17.6,18.9,21.2,23.4,23.5,22,21.1,20.6,20.9,20.1,18.6,16.6
1929,17.2,18.9,21.2,22.5,22.5,21.5,21.6,21.7,21.2,20,18.5,16.9
1930,17,18.6,21.1,23,22,22,21.3,21.2,20.8,20.2,18.1,17
1931,17.1,19.4,21.7,23.9,23.5,22.7,21.6,21.4,20.4,20.4,18.6,16.6
1932,16,18.5,20.8,23.1,22.2,21.6,20.9,21.6,20.5,20.6,18.7,16.6
1933,16.7,19.3,21.1,22.8,21.4,20.6,20.9,20.7,20.1,19.7,19,16.5
1934,16.6,18.6,20.8,22.9,22.7,21.7,21.3,20.7,21,20.8,17,15.9
1935,16.8,19.2,21.2,22.4,23.2,22.1,20.8,20.8,19.9,20.5,17.7,17
1936,17.4,19.3,21.1,23,22.9,20.5,20.9,20.7,20.9,20.4,18.9,17.3
1937,16.8,19.8,21.7,21.5,22.6,21.5,20.6,21.3,20.9,20.1,18.2,16.7
1938,17.6,19.5,22.2,23.2,22.6,20.7,20.8,20.7,20.1,19.3,18.1,16.8
1939,16.7,18.9,20.9,22,22.6,21.7,20.5,20.8,20.3,20.5,18,16.1
1940,15.6,18.9,20.8,22.5,21.7,21.6,20.9,20.6,20.8,20.5,18.6,16.8
1941,17.2,19.5,22.5,23.3,22.9,21.3,21.7,21.6,20.8,20.5,19.1,17.5
1942,17,19.5,22,22.3,22.9,21.5,20.9,20.8,20.5,20.2,17.9,17.3
1943,17.4,18.8,22,21.9,20.8,20.4,20.5,20.8,19.8,18.8,18.2,16.2
1944,17.2,18.8,20,21.6,22.7,21.4,20.7,21.3,20.7,19.8,18.4,17.1
1945,17,19.8,21.7,21.8,22.2,21.5,21.2,21,20.4,19.9,17.8,16.7
1946,16.3,19,21.9,21.9,21.6,20.9,20.9,20.7,20.4,20.1,18.1,17.4
1947,17.5,19,21.7,22,22.6,21.5,21.1,21.4,20.1,19.6,17.6,17.1
1948,17.7,19.8,21.6,22.2,21.8,21.5,21.2,20.9,20.4,19.9,19.1,16.5
1949,16.9,18.9,22.1,22.1,21.6,21.1,21.1,21,20,19.9,17.3,16.3
1950,16.9,19.2,21.5,22.5,22.4,21.2,20.6,21.2,20.1,19.6,17.5,16.7
1951,16.7,18.6,21.2,22.1,21.8,20.3,20.9,21.3,21.3,20.1,19,16.2
1952,17.1,19.3,21.1,23.2,22.4,21.6,21.2,20.7,20.6,20.1,18.2,17.2
1953,17,18.8,22,22.1,22.6,21.9,20.9,20.9,20.6,19.7,17.4,16.4
1954,17,19.6,21,22.3,21.7,21.2,20.5,20.5,19.8,19,16.9,16.8
1955,17.3,19.4,21.3,21.7,21.3,21.4,21.3,20.4,21.2,20.5,17.1,15.8
1956,16.9,18.4,21.8,22.9,21.6,20.9,20.3,20.8,20.7,19.4,18.5,15.9
1957,16.6,18.4,20.5,22.2,22.4,21.7,21.2,21.3,20.7,21.1,19,18
1958,17.4,20,21.7,23.1,22.5,22.4,21.3,21.5,20.5,20.4,19.2,17
1959,17.9,19.6,21.1,22.6,22.8,21.5,20.6,20.9,20.7,20.8,18.6,17.1
1960,17.6,18.8,21.7,22.6,21.7,21.8,21.9,21,20.7,20.3,18,16.9
1961,17.1,19,21.7,22.6,21.8,21,20.6,21.1,20.3,19.7,18.1,16.4
1962,15.9,18.5,20.5,22,21.7,22,21.4,20.7,20.4,20.2,17.6,16.3
1963,16.5,17.7,20.9,21.5,22,21.2,21.5,20.7,20.7,20.2,19,16.7
1964,15.7,18.3,21,23,22.6,21.5,21.1,20.3,19.7,20.1,17.3,14.9
1965,15.8,18.3,20.5,21.7,22.2,21.2,20.9,20.9,20.6,21.1,19,17.3
1966,17.3,19.1,21.3,22.8,21.6,22,21.5,21.6,20.5,19.8,18.7,16.6
1967,16.1,17.5,20.7,22.4,22.8,22.2,20.5,20.6,20.2,19.5,16.8,17.9
1968,16.4,18.7,20.8,22.1,22.7,22,21,21.2,20.7,19.4,18.4,16.7
1969,16.5,19.1,21.9,22.9,22.7,22,21.2,21.3,20.1,20.3,18.9,17.1
1970,16.9,18.9,21,23.4,22.2,21.4,21.4,20.7,20.4,20.2,18.1,14.5
1971,16.9,18.3,20.6,22.4,22.1,20.6,21.4,20.8,20.7,19.6,17.4,16
1972,15.4,18.4,20.2,22.6,21.9,22.8,21.4,21.1,21.2,20.9,18.6,17.5
1973,16.3,19.3,21.3,24.2,23.2,22.1,21.6,20.2,20.8,20.3,18.4,16.4
1974,15.9,18,21.2,22.9,21.9,21.4,21.2,20.6,20.2,19.9,17.3,15.4
1975,15.8,19,21,23.1,21.8,21.1,20.5,20.9,20.1,20,17.3,14.7
1976,15.2,17.9,20.8,21.8,22.3,21.9,21.2,20.8,20.9,20.7,19.5,17.1
1977,16,19.1,21.6,23.3,22.2,21.8,21.1,21.1,21,20.7,19.9,16.4
1978,17,19.1,21.2,23.3,22.4,21,20.6,21.1,20.6,20.8,19.4,18.3
1979,18.3,19.7,21.5,23.4,22.9,22.6,21.2,21.4,21.2,21.1,20.3,18.1
1980,17.1,19.8,22,23.8,23.6,21.3,21.7,20.9,21.2,21.2,19.4,17.2
1981,17.7,19.5,21.5,23,22.7,21.7,22,20.7,21.1,21.1,18.7,17
1982,17.2,19.9,21.7,23.2,23.3,21.9,21.6,21.3,20.9,21.2,19.9,17.3
1983,16.9,20.3,22.3,23.4,23.9,23,22,21.3,20.4,20.5,17.3,17.2
1984,18.2,19.2,21.9,22.7,23.6,21.2,20.9,20.8,20.7,20,18.1,16.6
1985,18,19.6,22.2,23.5,23,21.3,20.9,20.9,21.1,19.4,17.9,17.5
1986,17.3,19.1,22.1,23.8,22.8,21.8,21.7,20.7,21.3,20.6,18.4,17.5
1987,17.2,18.6,21,23.3,22.9,21.8,22,21.1,21.7,20.7,19.2,17.9
1988,17.1,20.1,22.3,23.4,23.1,21.9,21,21,20.5,20.3,18.7,16.4
1989,16.8,18.3,21.4,22.8,22.2,21.2,21.1,20.4,20.7,20.1,18.5,17
1990,16.9,19.7,22.1,23.4,22.4,21.4,21.1,20.7,21,20.8,18.7,17.5
1991,17.6,19.5,21.8,23.2,23.2,22.1,20.9,20.5,21.1,20.1,18.5,16.2
1992,15.8,18.9,20.7,22.5,22.4,21.9,21.2,20.7,20.7,20.2,19.3,15.9
1993,16.4,18.4,21.2,22.6,23,22.3,21.3,21,20.1,20.5,19.3,16.8
1994,17.1,19.2,21.6,22.9,22.8,21.7,21,21.1,20.5,19.9,17.6,15.6
1995,16.4,19.4,21,22.4,21.7,22.5,21.1,21.4,20.9,19.9,18.3,16.8
1996,17.2,19,22.1,22.4,23.1,22.1,22,21.1,21.1,19.4,18.3,16.4
1997,16.7,18.3,20.9,21.7,22.8,22.8,22,21.1,21.5,20.5,20.2,18.9
1998,18.5,19.7,22.2,24.1,23.3,22.8,22,21.8,20.9,20.3,18.7,17.2
1999,16.4,19.6,21.6,22.7,21.3,21.3,21.4,21.3,20.9,20.4,18.1,16
2000,17.6,19.8,20.5,22.9,21.6,21.6,21.1,21.2,21.2,20.2,18,16.5
2001,17.6,20.2,21.6,23.2,22.5,22,21.6,21.1,21.5,20,19.2,17.2
2002,17.4,19.4,22.2,23.4,23,22.1,22.3,21.3,21.7,21,18.9,17.4
2003,17.7,20.4,22.1,23.1,23.7,23.1,22,21.9,21.3,20.6,19.3,17.3
2004,17.6,19.4,22.5,23.3,20.9,21.2,21.5,21.3,20.8,20.1,18.8,17.1
2005,17.8,19.6,21.6,22.2,23,22.4,21.6,21.4,20.8,19.9,17.7,17.2
2006,17.7,19.2,21.1,23,22.3,21.7,22,21.6,21.6,20.7,19.3,17.2
2007,17.8,19.5,22.3,22.8,22.6,22.3,22,21.3,20.6,20.5,18.4,17.3
2008,17.7,19.2,20.6,21.7,22.5,21.6,21.9,21.2,20.8,20.3,18.7,17.8
2009,17.6,20.2,22.2,23,22.5,22,21.5,21.9,21,20.2,19.1,17.9
