1901,14.9,18.2,23,28.1,28,29.5,28.7,28.7,27.7,26.8,21,16.9
1902,17.1,18.7,24.7,26.3,27.5,29.1,28,28.9,27.7,25.6,20.5,16.7
1903,16,17.8,22.8,27.7,29.1,28.5,29.4,28.4,28.1,26.4,20.9,16.9
1904,16.3,18.5,23.8,28,27.2,28.3,27.9,28.5,28,25.8,20.4,17.3
1905,15.2,16.2,21.2,24.8,27,29.8,28.4,27.9,27.7,26.2,21.4,17.2
1906,15.7,17.5,21.5,28,28.8,29,28.8,28,28.6,26,21.5,17.6
1907,17.4,17.6,20.9,25.3,27.7,28.8,28.5,29.1,28.1,26.3,20.8,16.9
1908,14.9,17.9,23.6,29.7,28.7,29.2,28.5,29,28.2,26.5,20.6,16.3
1909,16.8,18,25,26.1,28.6,27.9,28.6,28.1,28.7,26.6,22.6,17.6
1910,15.8,18.2,23.4,27.5,28,28.1,27.7,28.6,28.3,25.9,20.7,16.7
1911,17.4,17.6,22.2,27.2,28.5,28.2,28.9,28.4,27.5,25.5,20.6,16.1
1912,16.5,19.2,22.7,25.4,27.6,28.9,28,28.5,28,25.9,20.3,16.8
1913,16,18,21.4,28.1,27,27.1,28.5,28.4,28.1,25.6,20,16.5
1914,16.5,18.5,22.7,25.2,27.6,28.4,28.4,28.2,27.7,24.7,20.9,17.8
1915,17.1,18.2,22.5,27,28,28.1,28.9,28.9,28,28.1,23.1,17.4
1916,16.1,18.3,25.1,27.4,29.9,28.2,28,28.5,28.1,26.2,21.4,16.5
1917,15.7,17.9,22.2,26.3,26.8,28.1,28.4,28.7,27.6,25.7,21.3,17
1918,15.1,17.9,23.7,26.3,28.3,27.4,28.9,27.8,28.2,26.1,21,16.3
1919,16.9,17.3,24.2,26.5,28.1,28.7,28.5,29,27.6,26,21.6,17.2
1920,16.8,18,22.3,27,27.6,29.2,28.9,28.6,27.8,26.6,21.6,18
1921,16.9,18.2,24.6,27.8,29.9,28.6,28.5,28.7,27.8,24.7,20.6,16.6
1922,16.8,19.1,24.7,28.9,29.8,27.9,28.4,28.3,27.7,25.3,21.3,17.3
1923,16.5,18,23.8,28.1,28.6,29.5,28.5,29,28.1,25.6,21.4,17.5
1924,16.1,18.4,25.3,28.6,28.3,30.3,28.4,28.5,27.3,26.7,21,17.7
1925,14.9,16.7,23.3,26.9,27.5,28.5,28.2,28.5,27.7,25.3,20.8,16.4
1926,16.1,18.6,22.1,25.9,28,30.5,28.4,28.5,28.1,26.1,20,17.7
1927,15.8,17.8,21.6,27.4,27.4,29.1,28.7,28.4,27.9,26.3,21.2,17.6
1928,15.7,18.6,24.3,27.4,28.4,28.3,28.4,28.8,28.9,26.5,20.9,17.7
1929,16.1,17.4,23.9,27,29.1,29.4,28.2,28.5,28.1,25.4,20.9,16.9
1930,15.3,18,23.7,27.1,28.5,28.4,28.4,28.6,28.2,26.1,20.8,16.8
1931,17.3,18.4,22.8,28.3,28,30,28.2,29.2,27.4,26.3,20.8,17.9
1932,17,17.2,24.1,27.5,28.2,29.3,28.4,28.8,28.3,26.7,22,17.3
1933,15,19.1,24.2,25.9,27.9,28.5,28.3,28.2,28.1,26.2,21.2,17.5
1934,16.1,18.3,23.3,27.8,28.3,28,28.4,28.7,28.6,25.6,20.8,17.6
1935,15.6,18.8,24.5,26.9,30.4,30.6,28.8,28,28.2,26.1,21.4,17.2
1936,15.4,18.5,24.4,28.1,27.7,27.5,28.2,28.9,27.6,25.6,22,17.8
1937,15,18.4,23,27.5,27.5,28.8,29.1,28.3,28.5,25.9,21,17.3
1938,17.3,16.9,25.4,29.2,27,28.3,28.1,28.7,29.2,26.7,20.2,17.5
1939,17.1,19.1,22.8,28.8,29,28.9,28.1,28.8,27.9,26,21.4,18
1940,16.4,18.5,21.4,27.5,28.6,29.4,28.3,28.9,28.1,26.7,22.6,18.1
1941,16.7,19.2,25.3,28.4,28.7,27.8,28.6,28.8,28.3,25.6,21.2,19
1942,16.8,18.8,24.3,27.3,29.4,30.4,28.5,28.6,27.6,26.2,22.5,17.7
1943,18.1,17.8,23.6,25.7,29.2,28.8,28,28.5,28.5,27,22.5,18.9
1944,16.4,18.5,23.4,25.4,30.5,30.3,28.2,29.1,28.5,26.4,21.8,18.9
1945,16.4,17.3,24.4,26.6,28,29.6,28.8,29.1,28.7,25.6,21,16.9
1946,16.9,20.1,24.1,24.9,27.7,28.6,28.1,29.1,28.5,26.1,22.3,18.3
1947,16.5,18.9,24.3,29.3,28.7,30,29.1,29,28.5,26.3,22,18.3
1948,17.2,18.9,22.8,28.3,28.2,29.6,27.8,28.6,28.4,26,22.4,17.2
1949,17.2,18.3,23.9,25.5,26.7,29.1,28.3,28.8,28.3,26.8,21,16.6
1950,17.1,18.4,23.4,27.9,28.9,28.1,28.4,28.2,28.5,26.2,21.7,18.2
1951,16.3,18.7,23.5,27.3,28.9,29.2,28.3,29.2,28,27.5,22.3,18
1952,17.5,20.1,23.6,26,27.6,29.2,28.3,28.5,27.7,26.6,21.7,17.7
1953,16,19.5,25.6,28.1,29.2,28.6,27.8,28.8,27.6,26,20.9,19
1954,15.5,20.1,24.1,29.6,30.1,28,27.7,28.4,27.8,25.2,20.2,17.4
1955,16.3,18.1,25.1,27.1,29.9,28.8,28,28,28.3,26.8,21.8,17
1956,16,17.8,24.1,28.6,29.5,27.4,27.5,28.3,27.4,26.4,21.5,17.5
1957,16.4,17.7,22.4,27.6,30.4,29.2,28.3,28.6,28.1,26.2,21.5,18.6
1958,18.4,19.1,23.7,28.6,30.2,30.6,29.1,28.4,28.2,27.7,22.3,18.7
1959,16.9,18.6,23.6,28.1,29,28.8,28.2,29,27.5,27,21.5,18.3
1960,16.7,20.5,22.2,28,28.8,29,27.9,29.3,27.6,26.2,20.6,18.9
1961,17.3,17.3,24.1,28.1,29.3,28.4,28,29,27.9,25.8,19.9,15.5
1962,15.7,18.9,23.6,27.2,27.9,28.8,28.8,28.1,27.8,25.4,21.4,17.8
1963,16.1,19.8,22.9,26.1,26.9,28.3,28.5,28.6,28,26.4,22.2,18.8
1964,16.1,19.1,24.3,27.9,26.9,29.5,27.7,28.9,28.1,27,21.4,18
1965,17.1,18.6,21.6,26.8,29.1,29.7,28,28,27.7,25.7,21.4,17.1
1966,16.3,19.8,24.1,28.2,29.8,29.7,28.8,28.2,27.6,25.3,22.5,18
1967,16.8,19.8,22.1,25.7,28.2,29.3,28.4,28.5,27.7,25.2,20.1,18.4
1968,16.1,17.6,23.6,27.1,29.2,27.3,27.8,28.7,28.7,24.6,22.1,17.4
1969,15.9,18.7,24.8,27.5,27.3,28.9,28.3,27.8,27.6,25.7,22.6,18.3
1970,16.1,18.3,22.8,28.1,29.4,28.3,28.5,28.9,27.8,26.2,20.5,17.5
1971,16,16.8,22.5,25,26.2,27.9,27.3,27.2,27.6,26.1,20.5,17.6
1972,16.8,16.6,23.6,26.9,30,28.7,28.6,28.5,28,25.5,20.1,17.1
1973,16.5,18.6,21.9,27.6,27.6,27.6,28.4,28.7,28,26.2,21.5,17.7
1974,16.4,18.4,22.6,27.7,27.5,28.6,27.7,28.2,27.8,27.4,21,15.6
1975,16.3,18.5,23.5,28.1,28.4,28.8,27.5,28.5,27.6,27.2,22.5,17.1
1976,16.7,19.5,24.6,27.6,27.3,29.1,28.4,27.7,27.4,26.9,24.2,17.4
1977,16.4,19.2,25.6,27.6,25.9,27.7,28.2,28.8,28.4,25.5,22.6,17.9
1978,15.2,17.8,21.8,26.6,27.3,28,28.1,29,27.5,26.6,23.2,17.9
1979,17.4,17.6,23.5,27.9,29.9,29.7,28.6,29.8,28.1,27.1,23.8,18.9
1980,16.5,18.8,23.6,29.1,27.4,28.9,28.6,28.9,28.7,26.3,22.2,18.8
1981,16,18.7,22.9,25.7,26.6,28.9,28.2,28.8,28.1,26.9,22,17.4
1982,17.2,18.1,22,27.3,29.6,28.7,29.5,28.7,28.8,26.3,22.3,16.9
1983,15.7,17.7,23.9,26.3,27.7,30.2,29.2,29.2,28.8,26.7,21.7,17.4
1984,16.4,18.4,24.8,28.4,30.1,27.9,28.2,28.4,27.6,27.3,21.3,18
1985,16.8,18.8,25.6,28.6,27.7,29.4,27.5,29,27.7,26.3,22.1,19.3
1986,17.2,19.2,23.4,27.1,26.6,29.7,28.1,28.1,27.7,25.8,22.7,17.7
1987,16.5,20.4,23.8,27.1,28.1,30,28.5,27.8,28.3,26.6,22,18.7
1988,18.4,19.5,24,28.4,29.2,28.1,28.7,29,28.8,26.9,22.8,19.6
1989,15.3,19.7,24.4,28.9,28.9,28,28.6,28.6,28.7,27.8,22.6,17.6
1990,18.3,18.9,22.3,27,28,29.3,28.5,29.2,28.8,26,23.5,18.8
1991,15.4,19.3,24.4,27.9,29.9,28.2,29.1,28.5,28,27.6,23.4,17.2
1992,15.6,16.5,24.2,28.5,27.4,28.9,28.1,28.4,28.4,26.1,21.8,17.3
1993,16.2,19.9,22,25.7,26.9,28.4,28.7,28.2,28,26.6,22.6,18.2
1994,16.4,17.9,23.9,26.6,28.8,28.7,28.9,28.5,29.1,26.1,21.6,17.5
1995,16,21.5,23.6,28.1,29.2,29.4,28.4,28.1,28.6,26.7,20.9,17.8
1996,18.2,19.2,25.9,27.4,28.8,28.5,28.4,27.9,27.3,26.2,22.5,16.8
1997,17,17.6,23.7,26.8,28.1,28.9,28.6,28.1,27.6,25.1,22.4,17.5
1998,17.9,20.5,24,27.3,29.5,29.2,28.4,28.7,29.1,28.4,23.7,17.5
1999,17,20.4,24.8,29.4,28.7,29.1,28.2,28.6,27.8,27,22.7,19.3
2000,16.6,17.5,22.9,26.7,28.1,29,28.9,29.1,27.4,27.1,23.1,18.2
2001,17,19.4,23.7,27.9,28.4,28.7,28.7,29.3,29.2,27.4,23.7,19.1
2002,17.5,19.9,24.6,27.5,28.5,29.1,28.3,28.8,28.2,26.9,22.8,19.4
2003,16.1,19.6,23.4,28.2,28.5,29,29,29.6,28.8,27.5,23,18.3
2004,17,19.5,25.7,27.9,29.1,29.2,28.3,29.3,29,26.1,22.2,18.8
2005,17.1,20.4,24.9,27.8,28.3,30.1,28.9,29.3,28.2,26.5,22.4,18.2
2006,18.5,21.9,24.9,27.1,29,29.3,28.7,29.3,28.2,27.4,23.5,19.2
2007,17,19,24,28.5,29.3,29.6,28.8,29.5,28.6,27.8,23.4,18.7
2008,17.5,17.7,24.9,28.3,29,29.1,28.1,29.3,28,27.4,23.3,19.3
2009,18.5,20.9,25,29.3,28.9,29.8,29.3,29.4,28.7,27.4,23.1,19.2
