1901,12.4,15,20.2,25,26.7,28.8,27.8,27.3,26.3,24.3,18.5,14.5
1902,14.9,16.1,21.7,23.9,26.5,27.7,26.9,27.5,26.3,22.5,17.8,14
1903,13.6,14.6,19.1,24.6,27.3,27.8,28.4,27.1,27,23.6,18.6,14.4
1904,13.8,16,20.6,25.3,25.9,27.6,27.1,26.8,26.3,23.3,17.3,14.2
1905,11.9,13.8,17.3,21.9,26.5,28.2,27.4,26.6,26.5,23.7,18.7,14
1906,12.9,13.8,18.8,25.2,27.9,27.5,27.8,26.5,27.1,23.4,19.4,14.8
1907,15.2,13.9,17.1,22.5,25.9,27.7,27.8,27.6,27,24.3,18.6,14.1
1908,12.5,15,20.8,26.9,27.2,28.6,27.4,27.5,26.8,23.8,17.8,13.4
1909,13.8,14.7,22.4,23.5,27.1,26.8,27.6,26.9,27.6,24.6,20.3,14.7
1910,13.6,15,20.6,24.4,26.4,26.7,26.3,27.2,26.5,22.9,17.9,13.8
1911,14.3,14.9,18.5,24.3,27.3,27,27.8,27,25.9,22.8,17.6,13.4
1912,13.7,16.1,19.6,22.8,26.2,27.4,26.9,26.9,25.9,23.3,17.1,13.7
1913,13.5,14.3,18,24.7,25.2,26,27.1,27,26.8,23.1,17,13.2
1914,14.4,14.9,19.2,22.8,26.2,27.3,27.3,26.7,25.9,21.7,18,14.6
1915,14.3,14.7,19.5,24.1,26.9,27,27.6,27.2,26.4,25.8,19.9,14.3
1916,13.5,14.9,23,24.9,27.6,26.9,26.6,26.8,26.2,23.3,19,13.5
1917,13.3,14.6,19,22.2,24.5,26.6,27,27,25.6,22.7,19,13.9
1918,12.5,15.1,20.5,23.2,27.5,26.2,27.5,26.3,26.6,23.4,17.8,12.8
1919,13.3,14,20.6,22.8,25.7,27.4,27.1,27.1,25.9,23.2,18.5,13.8
1920,14.3,14.5,18.8,23.9,24.7,26.8,27.3,27,26.2,23.6,18.8,15.2
1921,13.9,14.4,22.5,25.2,28.5,26.5,26.9,26.7,25.5,21.3,18,13.2
1922,13.5,16,22.2,25.7,28.3,26.9,27.2,26.6,26.1,22.7,18.4,13.7
1923,13.9,14.4,21.2,25.7,26.9,28.6,27.2,27.6,26.3,22.7,18.7,14.2
1924,12.9,15.1,22.3,25.8,25.5,29.5,27.3,26.9,25.6,24,18.3,14.8
1925,12.2,13.6,20.7,25.2,26.2,26.5,27,26.8,26,22.8,17.6,13.9
1926,13.3,15.7,18.4,22.1,25.7,28.9,27.4,26.9,26.7,23.4,16.8,14.3
1927,12.6,14.4,19,24.1,25.8,27.6,27.5,26.8,26.3,23.3,17.9,14.8
1928,12.6,15.1,20.7,24.2,27.4,27.3,27.5,27.5,27.6,24,18,14.4
1929,13.4,14.3,21.6,24.4,27.5,27.3,27.3,26.8,26.4,22.8,18.6,13.3
1930,12.5,14.5,21.2,24.3,27,26.7,27.2,26.9,26.9,23,18.1,13.4
1931,14.1,14.3,20.4,25.7,26.7,28.6,27.2,27.7,25.7,23.4,18.2,14.8
1932,14.8,14.3,21,24.6,26.2,28.3,27.5,27,26.7,23.8,19.9,13.4
1933,12,15.8,21.4,23,24.9,27.2,27.1,26.7,26.4,23.5,19,14.6
1934,12.8,15.6,20.2,25.3,26.7,26.7,27.1,27.1,27.2,23.2,18.5,14.4
1935,12.6,15.7,21.3,23.1,28.3,29.1,27.1,26.5,26.8,23.4,19.1,13.9
1936,13,14.6,21.1,24.5,27.5,25.9,26.8,27.1,26.4,23.1,19.5,13.8
1937,13.1,14.7,20.4,24.4,26.7,28,27.8,26.9,27.2,23.2,17.8,14.2
1938,13.8,13.9,22.1,25.7,27.2,26.7,26.5,27.4,27.5,23.8,16.9,14.2
1939,14,15.5,18.9,25.2,27.9,26.8,27,27.4,26.4,23.1,18.9,15.3
1940,13.9,15.4,17.7,24.1,26.9,27.8,27.2,27.3,26,23.9,19.2,14.6
1941,14,16.4,22.5,26,27.1,26.2,27.9,27.3,27,24,18.7,16.1
1942,14,15,21.9,24.7,27.2,28.7,27.2,27.2,26.4,24.1,19.7,14.5
1943,14.6,15.3,21,23.2,27.7,28.4,27.1,27.1,27.3,24,20.5,15.4
1944,12.8,14.5,20.2,22.9,28,28.2,27.3,27.6,27.1,24,19.6,16.1
1945,12.7,14,21.4,23.9,26.6,28.6,27.8,27.7,27.1,23,18.5,13.4
1946,14.9,17.1,20.9,24.4,26.4,27.4,27,28.2,27.6,23.7,19.6,15.3
1947,13.1,15.7,21.5,26.5,27.1,29.1,28.1,27.8,27.4,23.8,19.6,15.4
1948,13.6,15.2,20.3,25.9,27.9,29,27.2,27.4,27,23.6,19.6,14.2
1949,14.7,15.1,21.1,23.9,26.1,28.2,27.2,27.6,26.5,24.4,18.6,13.2
1950,14.6,14.8,19.7,25,27.4,26.9,27.1,26.9,26.4,23.6,19.1,14.6
1951,13.1,16,21.4,24.3,28,28.1,27.2,27.9,26.3,25.1,19.8,14.1
1952,14.4,16.6,19.6,24.9,26.9,27.7,27.4,27.2,26.8,24.7,19.1,14.8
1953,12.6,16.3,23.5,26.2,28.3,28.1,26.9,27.6,26.7,23.3,18.1,15.8
1954,13.2,17.4,22.1,26.1,29,27.5,27,26.8,27,23,18.2,13.6
1955,13.4,15.8,22.5,24.2,26.9,27.6,27.1,27.1,26.6,24.1,19.8,14.6
1956,13.9,16.1,22,26.6,28.8,27.1,27.4,27.5,26.3,24.1,19.3,14
1957,14.1,14.9,19,25.1,28.5,27.8,27.7,27.7,27,23.6,19.8,15.1
1958,15.2,15.2,20.6,25.8,27.3,28.5,27.4,26.8,27.3,24.3,19.6,15.8
1959,14,14.9,20.9,25.3,27.2,27.3,27.3,27.2,25.9,23.8,19.1,15.3
1960,13.2,17.3,19.5,24.2,27.1,27.7,27,27.6,26.1,23.3,18.5,15.3
1961,14.3,14.6,20.7,24.9,27.4,27.5,27.9,27.5,26.4,23.6,18,13
1962,12.9,15.4,20.2,24.3,26.6,27.6,27.8,26.8,25.6,23.3,18.7,14.6
1963,13.7,16.3,19.7,23.5,25.9,27.4,27.3,27.1,25.5,24.1,18.8,15.4
1964,13.3,15.1,21.9,25.1,25.6,28.6,26.9,27.3,26.1,25.5,19,14
1965,14.1,14.7,19.1,23.6,27.4,28.2,26.7,26.1,25.2,23.2,18.8,13.9
1966,14.8,16.9,21.2,25,27.8,28.4,27.3,26.8,25.3,22.6,19.5,13.9
1967,13.2,16.5,19.1,23.6,27.2,27.8,27.1,27.2,25.9,22.6,17.3,14.9
1968,13.2,14.3,20.3,24.2,26.9,26.5,27,27.4,26.8,23,19.6,15.1
1969,14.1,16.3,22.6,25.4,26.8,28.3,27.6,27,26.5,24,20.4,15.9
1970,14.3,15.3,20.8,25.6,27.9,27.3,27.5,27.5,26.5,24.9,19.4,15
1971,13.6,14.5,20.5,23,24.6,26.1,26.6,26.3,27,23,17.8,14.2
1972,14.4,13.7,20.9,23.4,27.5,27.3,27.2,26.7,25.8,22.2,18.3,14.3
1973,14.2,15.6,19.6,25.7,26.1,26.7,27.2,26.7,26.8,23.3,18.2,13.4
1974,13.3,14.9,20.7,25.4,26.2,27.3,26.4,26.7,26.3,24.9,18.3,14.2
1975,12.7,14.8,20.1,24.8,26.6,27.1,26.1,26.7,26,24.4,17.7,13.9
1976,13.7,15.7,20.3,24.3,25.8,26.3,26.8,26.1,25.9,22.3,19.6,13.4
1977,12.8,15.5,21.4,23.4,24.5,26.7,27.2,27.1,26.5,22.8,20.1,14.5
1978,11.9,13.8,18.1,23.2,27,27,26.8,27.4,25.9,23.4,19,15.2
1979,14.3,14.6,19.7,25.1,27.5,27.3,27.4,27,26.5,23.4,20.5,14.9
1980,13.7,15.6,20.1,25.9,27,27.4,27.4,27.3,26.8,22.4,18.9,15.3
1981,12.6,15.7,20,24.7,26.5,27.7,27.1,27.3,26.4,23.7,18.4,14.1
1982,14.3,14.9,19.1,24.3,25.4,27.1,28.8,28,26.6,23.1,18.9,15.1
1983,13.1,16.6,19.4,23.8,25.5,27.5,27.1,27.8,27.3,23.3,18.4,15.1
1984,12.5,15.5,22.2,25.2,27.3,27.8,27,26.6,25.7,24.8,17.5,15.1
1985,14,15.7,22.7,25.7,27.2,27.6,26.1,27.7,26.5,23.6,18.9,15.9
1986,14.2,15.1,20.5,23.9,24.8,27.7,26.6,27.1,26.2,22.6,19.5,14.3
1987,13.2,16.4,20.3,24.2,25.8,27.8,27.2,26.8,26.9,23.5,18.4,15.6
1988,15.1,16.5,21.1,25.1,27.1,26.9,27.3,27,27.3,23.9,18.6,16.6
1989,12.6,14.7,20.8,24.3,27.7,27.2,27.2,27.1,27.3,24.2,18.7,13.6
1990,15,14.4,21.8,25.4,25.3,28.4,26.7,27.5,26.5,23.9,19.9,14.3
1991,13.6,16.6,21.7,24.1,26.8,27,27.6,27,26.6,23.9,17.9,14.3
1992,13.9,14.3,22.2,25.5,25.3,27.3,26.8,27.4,26.3,23.3,19,14.6
1993,14.4,17,18.9,23.4,26.3,27.5,27.7,27.1,26.7,24.2,19.8,15.9
1994,15.2,15.4,22.2,24.5,27.2,28.1,27.7,27.5,27.8,23.3,19,15
1995,13.2,15.3,20.9,24.8,28.5,27.8,27.3,27.2,27.3,24.3,19.6,15.7
1996,14.4,16.2,22.3,24.6,27.7,27.2,27.2,26.9,27.3,23.9,20.4,15.4
1997,13.8,14.6,20.9,23.4,25.6,27.2,28,27.5,26.4,21.9,18.9,14.6
1998,14.2,16.3,19.9,24.3,27.4,28.8,27.2,27.4,27.4,26,21.4,16.4
1999,15,17.7,22.6,25.9,27.8,27.4,27.4,27.2,26.6,24.6,20.4,16.8
2000,15.4,15.3,20.6,25.5,27.5,27.8,27.7,27.9,26.4,24.9,20.9,15.9
2001,15.2,17.2,20.6,25.2,26.7,27.3,27.7,27.8,27.9,25.2,21,16.2
2002,14.6,17.1,21.9,25.5,27.4,28.1,27.9,27.7,26.5,24.4,20.2,16.3
2003,14.8,16.3,21.1,26,26.5,27.8,27.7,28,27.1,25.2,20.4,16.5
2004,14.6,16.8,23.7,26.2,27.2,27.5,27.2,28.2,28,23.7,19.4,16.2
2005,15,17.1,22.7,25,26.6,28.6,27.9,28.1,26.8,24.3,20,14.9
2006,16.5,18.9,21.9,24.1,27.4,28.1,27.1,28.1,26.6,24.9,21.1,16.2
2007,14.9,15.9,21.6,26.4,27.6,28.2,27.9,28.2,27.7,25.7,20.8,15.7
2008,15.3,14.9,22.5,25.6,26.8,27.7,25.5,27.9,26.7,25.1,21.2,16.9
2009,15.4,17.6,22.6,26.1,27.2,27.7,28.3,28.1,26.6,24.9,20.1,16.4
