1901,15.6,18,21.3,25,25.9,26.6,26.2,26.3,25.9,24.5,20.1,16.7
1902,16.2,18,21.9,23.2,25.8,25.2,25.8,25.7,25.7,23.5,20.1,16.5
1903,15.4,17.7,21.3,24.7,25.2,25.4,26.2,25.3,26.2,25.1,20.7,16.5
1904,15.1,17.8,21,23.4,24.9,26.1,25.8,25.9,26.1,24.7,19.8,16
1905,15.4,17.1,20,23.1,25.6,26.5,26,25.1,26.7,24.5,20.7,17.1
1906,16.4,17.7,20.6,23.5,25.6,26.2,26.4,24.9,26.9,24.5,20.8,16.8
1907,16.4,17.9,20,23.4,25.2,25.4,25.1,26.4,25.2,24.6,21,16.7
1908,16,18.4,22,25.6,25.4,26.5,25.5,26.1,25.7,24.2,20,16.3
1909,15.5,18.2,22.7,24.1,24.6,25.6,26,25.6,26.9,25.5,21.7,17.3
1910,16.1,18,21,24.4,26,25.2,24.9,25.8,26.3,24.1,20.9,16.8
1911,16.8,17.5,20.8,24.5,25.2,26,25.3,25.8,26,24.2,20.6,16.5
1912,16.1,18.2,20.9,23.3,25.8,26.1,25.2,25.5,25.8,23.8,20.5,16.9
1913,16.1,18.1,20.4,23.3,24,25.8,25.6,25.8,25.8,24.2,19.6,16.2
1914,15.8,17.8,21.3,23.7,25.5,26.4,26.1,24.8,25.7,22.9,20.4,17.5
1915,17,18.9,21.6,24.8,25,25.3,25,25.2,25.5,26.4,21.9,17.3
1916,16.3,18.8,22.5,24.3,26.4,27,26.2,26.8,27,24.6,21.8,17
1917,15.8,17.4,21.1,23.2,25.7,26.2,26.3,26.7,26.4,24.9,22.2,16.7
1918,16,18,21.5,23.3,25.7,25.4,26.4,26.2,26.8,24.8,20.3,17.7
1919,17.4,18.5,23.2,24.6,26.3,27.1,26.2,27.4,25.4,24.5,21.6,17.5
1920,17.6,17.8,21.5,23.8,25.1,26.3,27.2,26.2,26.7,24.8,20.8,18.3
1921,17.2,18.5,22.3,24.8,26.3,26.2,26.6,27,27,23.4,21,17.2
1922,17.3,18.8,22.3,25.2,26.3,26.7,26.8,26.8,27.1,24.8,21.3,17.9
1923,17.2,18.3,22.4,24.9,24.8,26.1,26.3,26.7,26.8,24.4,21.8,18.5
1924,17,18.9,23.3,25.2,25.2,26.4,26.3,26.4,26.4,25.2,20.9,17.5
1925,15.9,17.5,21.8,24.3,24.8,26.6,26.2,26.4,26.1,23.6,20.4,17.3
1926,16.9,18,20.9,23.6,25.2,26.4,26.4,27,27.1,25.3,20.9,18.8
1927,16.3,17.7,20.4,23.9,25.7,26.6,27.1,26.9,25.8,24.4,20.6,17.9
1928,17.6,19.7,22.2,25.5,25.9,26,26.7,26.8,26.6,24.2,19.7,18.2
1929,17.3,18.1,22.6,24.4,25.5,26.6,27.1,26.8,26.6,25.2,20.5,17.4
1930,15.6,18.6,21.5,24.5,26,26.1,26.7,26.5,26.9,24.4,21.7,17.5
1931,16.9,19.6,22,25.5,25.7,26,26.1,27.5,26.4,25.5,20.1,18.1
1932,16.9,16.6,22,25.2,25.9,26.4,26.8,26.8,27,25.5,22,18
1933,17.2,19.1,22.7,24.3,25,26.3,26.7,26.7,26.7,25.3,20.5,16.8
1934,16.8,18.5,22,25.3,25.8,25.5,27,26.9,27.5,24.9,20.4,16.8
1935,15.6,18.4,22.6,24.5,26.6,25.4,27.1,25.6,26.4,24.8,21.1,16.8
1936,15.5,17.4,22.3,24.7,26.1,26.3,26.5,26.4,26.2,23.6,21.4,17.4
1937,15.3,18.9,21.6,25.6,25.6,26.5,27.1,26.4,26.9,25,20.5,18.3
1938,17.2,18.2,22.1,25.8,25.7,26.2,25.8,26.7,26.7,25.1,19.4,17.6
1939,16.5,18.6,21.7,24.9,25.8,25.9,26.2,26.8,26.3,24.3,21.1,17.2
1940,15.3,18.8,19.5,25.5,25.2,26.3,25.9,26.9,26.1,24.7,20.3,17.6
1941,15.8,18.4,22.7,25.4,26,25.9,26.4,26.9,25.8,24.7,20,18.3
1942,17.3,20.1,22,24.6,25.6,25.7,26.5,25.9,26,25.4,21.4,17.3
1943,17.2,17.1,21,23.8,25.7,25.6,26.1,25.3,25.8,24.8,20.9,18.1
1944,16.9,18.3,22.4,24.1,24.9,25.6,26.8,26.6,25.4,24.9,20.7,18
1945,16.9,17.3,21.9,25.7,25.2,26.8,26.2,25.9,26.6,23.9,20.9,16.9
1946,16.8,20.1,22,25.3,26.1,26.4,26.1,27,26.4,24.4,21.7,18.4
1947,17,19.1,22.6,24,26.3,26.2,26.4,26.7,26.5,24.2,21.2,18.2
1948,16.7,17.8,20.7,24.6,23.9,26.1,25.9,26.4,26.7,24,21.2,17.1
1949,16.5,18.5,21.3,23.2,25.5,26,25.7,25.8,26.3,25.2,20.8,16.6
1950,16.3,18,21.2,24.5,25.8,25.7,26.1,25.8,26.2,24.7,20.8,16.9
1951,15.8,18.6,21.7,23.5,25.3,25.8,25.7,26.7,26.1,24.7,20.4,18
1952,16.3,19.2,20.9,25.1,26,26.8,26.4,26.5,26.4,25.6,20.9,16.6
1953,16.2,18.9,22.3,25.3,25.4,26.6,26.4,27.3,26.1,24.4,21,18.2
1954,15,19.2,21.9,25.1,25.4,25.7,25.4,25.8,26.5,23.8,19.5,17.1
1955,16,17.9,21.5,24.4,25.8,25.8,25.3,25.5,26.3,25,21,15.4
1956,15.1,17.8,21.7,25.3,25.2,25.3,26,26.2,26.1,24.2,20.3,16.7
1957,16,16.8,21.6,24.8,25.2,25.7,26.2,26.1,26.3,23.4,19.5,16.5
1958,16.3,17.2,22.4,25.6,25,27.2,26.6,25.4,26.5,25,20.1,16.8
1959,15.8,17,21.2,25.4,24.8,25.9,26.3,26.5,25.7,23.7,19.3,17.1
1960,16.1,19.1,21.8,26.1,26.4,26.6,25.6,27,26.4,24.5,20.3,17.5
1961,17.4,17.7,21.6,24.8,25.3,26.5,26.7,26.5,26.4,24.8,19.6,15.7
1962,15.2,18.1,21.4,25,25.3,25.8,26.9,25.6,26.7,24.1,19.5,16.8
1963,15.4,18.5,21.6,23.7,25.1,26.2,26.4,26.2,26.7,23.7,19.5,16.7
1964,15.2,17.7,21.4,23.7,26.3,25.8,25.4,26.4,26.5,25.3,21.1,16.4
1965,15.8,17.2,20.4,24.1,25.6,26.1,26.1,25.3,25.4,24.1,19.6,18
1966,16.8,19.2,22.3,24.7,26.5,25,25.8,25.8,25.8,23.2,21.4,17.2
1967,17.5,18.3,20.4,23.4,25.5,25.5,26.1,26.9,25.7,23.6,18.9,16.6
1968,15.7,16.6,20.2,23.5,25.3,25.9,26.3,26.3,26.3,24.2,20.1,16.8
1969,15.3,17.8,23.8,24.4,27.2,25.9,26.6,25.6,26.6,24,20.5,17.2
1970,15.3,18.3,21.5,24.5,25.1,26.4,25.8,26.6,26.3,24.3,20,17
1971,15.8,17.4,22.1,24.3,25.9,26.1,26.1,25.5,25.9,24.4,19.1,16.1
1972,16.6,17.8,21.9,23.4,26.1,26.5,25.8,26.4,26.4,24.1,20.3,17.3
1973,16.4,19.4,21.8,25.7,25.8,26.1,26.6,26.7,26.3,25.2,20.2,16.9
1974,15.3,18.4,20.9,23.1,25.7,26.2,25.3,25.9,25.1,25.9,22,16.3
1975,16.3,18.3,24.1,25.7,24.9,26.4,26,26.6,26,25.3,20,15.6
1976,15.7,18.1,24.2,24.8,25.3,26,25.8,25.8,26.2,23.7,21.2,16.5
1977,15.4,18.2,22,22.8,24.5,25,26.1,26.1,26.6,23.3,20.6,17
1978,15,18,21.6,25.4,25.2,25.9,26.2,27.3,25.9,25,20.6,17.3
1979,16.7,18.7,21.3,26,28,27.2,26.9,26.8,25.7,23.5,21.3,17.2
1980,15.7,18.1,22.1,26,26.3,26.6,26.4,26.3,26.5,23.7,20.3,17.7
1981,16.8,18.8,20.5,25.6,25,26.3,26.8,26.5,26.6,25.2,21.4,17.8
1982,16.8,17.7,21.2,23.1,26.1,26,26.1,26.6,26.5,24.4,20,16.1
1983,15.3,16.7,19.2,23.2,25.7,26.6,26.6,26.3,26.7,25.7,20.9,16
1984,15.7,19,22.2,24.9,25.6,26.7,25.7,26.8,25.1,24.6,19.8,17.2
1985,16.4,17.6,21.8,24.2,25.5,25.9,25.4,26.7,25.8,24.6,19.8,17.2
1986,16.7,18.6,21.1,23.4,26.3,27.9,25.5,26.1,25.4,22.8,20.7,17.3
1987,17,19.9,20.2,23.7,26.4,25.8,26.2,26.1,25.5,24.4,20.8,17.7
1988,17.2,19.6,22.1,25.3,23.3,26.4,26,25.8,26,25.4,21.7,18.5
1989,15.7,18.2,21.9,24.6,26.1,26.5,25.9,26.5,26.3,25,19.7,16.5
1990,17,19.7,20.9,24.8,25.5,25.5,26.4,26.8,26.4,24.4,20.7,17.6
1991,16.2,19.9,22.6,25,24.4,26,26.6,26.3,26.3,24.9,19.6,16.7
1992,15.7,15.6,21.2,25.4,25.6,27.4,26.1,26.7,26.4,23.8,20.4,16
1993,15.8,17.9,20.3,25,24.4,27,27.1,25.8,26.5,24.9,21,18.2
1994,17.6,18.1,21.7,25.3,28,26.5,27.1,27,26.9,23.8,20.6,16.9
1995,16.4,17.9,21.9,26,27.3,26.5,26.4,26.3,26,25.3,21,17
1996,16.3,18.7,21,24.9,25.7,26.7,26,26.3,26.8,24.7,21.3,17.9
1997,15.9,16.8,21.5,23.2,26.6,26.1,26.4,26.7,25,24,21,17.8
1998,16.2,18.4,20.4,24.4,27.1,25.9,26,26,27.1,26.3,22.1,18.7
1999,17.5,20.6,22.4,27.1,25.4,26.8,26.3,26,27,25.7,21,18.3
2000,16.6,17.5,20.4,25,25.8,26.4,26.8,26.2,26,25.4,20.8,17.7
2001,16.7,19.1,22.4,25.7,25.3,26.2,26.5,27.2,27,25.3,20.8,18.1
2002,17.3,19.8,22.1,25,25.7,26.6,26.2,26.7,26.6,24.9,20.9,17.7
2003,16.9,18.7,20.7,24.7,25.2,27,26.7,27.2,27.2,25.7,20.6,17.6
2004,16.7,19,23.2,24.6,25.7,26.5,26,27.2,26,24.3,20.6,17.6
2005,17.1,20.1,21.8,25.3,25.9,27.3,27.1,26.8,27.4,25.6,21,18.6
2006,17.2,20.5,23.2,25.1,26.1,26.8,27.3,27.8,26.6,25.6,21.3,17.8
2007,17,17.9,22.3,24.7,26.8,26.8,26.4,27.2,26.5,25,21.6,17.8
2008,17,18,22.1,25.9,26.3,26.4,26.4,26.5,27.1,25.3,21.3,18.3
2009,17.7,20.5,23,25.7,26.8,27,27.1,27,27.6,25.6,21.6,17.3
