1901,18.2,21.8,26.3,30,29.9,29.9,28.9,28.5,28.4,28.1,23.2,19.5
1902,19.8,21.8,27.3,27.8,28.7,29.4,28.2,28.8,28.8,27.4,23.1,19.5
1903,19.7,21.4,26.5,29.6,31,29.8,29.3,28.3,28.1,27.4,23,18.9
1904,18.8,21.5,26.6,29.3,28.9,28.9,28,28.7,28.5,27.2,23.3,20.2
1905,18.5,20.6,24.5,26.8,28.7,31.1,28.4,28.6,28.5,27.4,23.3,19.7
1906,18.8,21.4,24.5,29.9,30.7,29.7,29,28.4,28.5,27.3,23.6,20.3
1907,20.2,22,25,28,29.6,29.1,28.9,28.6,29,28.1,23.7,19.6
1908,18.2,22.5,27.1,31.2,29.9,29.6,28.4,28.5,28.7,27.6,22.9,19.2
1909,21.1,22.3,27.8,27.6,29.9,28.5,28.5,28.1,28.6,27.5,24.2,20
1910,19.1,21.7,26.4,29.2,30.1,29,28.7,28.7,28.6,27.3,22.9,18.9
1911,21,21.6,26,28.8,30,28.9,29.1,28.6,28.6,27.4,23.9,18.7
1912,19.9,23.2,26.9,28.2,29.7,29.7,28.7,28.5,29,27.4,23,19.3
1913,19.2,22.2,25.4,29.9,29.2,27.8,28.6,28.3,28.8,26.9,22.6,19.4
1914,19.2,23.3,26.6,27.7,29.1,28.9,28.5,28.5,28.5,27.3,23.7,20.2
1915,19.7,22.3,25.9,29.5,29.9,29.2,29.2,29.1,28.4,28.8,25.4,19.7
1916,18.8,22.1,27.6,29.5,31.1,28.4,28.8,28.2,28.5,27.8,23.7,19.3
1917,18.6,21.9,25.8,29.2,28.7,28.7,28.6,28.2,28.2,27.7,23.6,19.3
1918,17.9,21.8,27.1,28.1,28.6,27.6,29.4,28.4,28.9,27.8,23.9,19.2
1919,20.2,21.5,27.3,28.9,30,28.8,28.7,28.4,28.5,27.7,23.7,19.5
1920,19.5,21.9,26.3,28.8,30.1,31,28.8,28.5,28.8,27.8,23.9,19.6
1921,19.8,22,27.5,28.8,31.1,29.2,28.9,28.1,28.5,26.7,23,20.3
1922,19.7,22.6,27.7,29.6,30.5,28.4,28.7,28.4,28.2,26.6,23.4,19.8
1923,19.1,21.7,25.7,29,30.5,30.6,28.5,28.1,28.9,27.1,23.6,20.2
1924,20.1,22.8,28.3,30.8,30.9,31.3,28.9,28.8,28.4,28.2,23.6,19.7
1925,18.7,21.3,26.9,28.8,29.9,29.3,28.3,29.1,28.8,27.2,23.5,19.7
1926,19,22.9,25.6,28.4,30,31,28.7,28.3,28.8,27.4,22.6,20.4
1927,19.8,22,25.5,29.8,29.4,29.7,28.8,28.6,28.9,28.1,23.7,20.5
1928,20.3,23,27.8,29,29.7,28.7,28.7,28.8,29.4,28.2,24.3,20.7
1929,20.7,21.7,26.9,29.5,31.2,29.7,28.5,28.6,28.8,27.3,23.6,19.7
1930,18.9,22.1,27.2,29.8,30.1,29.6,28.4,28.4,29,28.4,23.4,19.4
1931,21.4,22.5,26.8,30.2,29.8,30.7,28.9,29.2,29,27.6,23.4,20.5
1932,21,22,27.7,29.8,30,29.5,28.6,28.4,28.8,28.4,23.8,20.5
1933,18.5,22.8,27.1,28.7,29.3,29.1,28.5,28.2,28.4,27.4,23.7,20
1934,19.2,22.1,27.5,29.7,30.7,29.4,29,28.5,28.9,27.6,22.9,20.2
1935,19,22.6,27.1,28.8,31.9,30.6,29.2,28.5,28.9,28,23.8,20.4
1936,19.6,22.2,28.1,30.2,29.1,28.2,28.8,28.9,28.5,27.4,24.5,20.9
1937,18.5,21.8,26.3,29.4,30.3,29.3,28.9,28.6,28.7,27.5,23.7,19.6
1938,20.8,20.9,28.7,30.8,28.9,28.9,28.8,28.4,29.2,28.2,23.2,19.6
1939,20.6,23.4,27.1,30.7,30.8,29.7,28.4,27.9,28.5,27.9,23.8,20.4
1940,19,22.3,25.5,29.8,30,29.6,28.6,28.6,28.6,28.2,25.5,20.5
1941,20.2,22.9,28.9,31,31,29.4,28.8,28.9,29.3,27.4,23.7,21.5
1942,19.8,22.5,28.2,29.3,32.1,31.1,28.9,28.1,27.9,27.8,24.6,20.5
1943,20.9,20.9,26.9,28.2,30.4,29.4,28.4,28.4,28.8,28.3,23.9,21.3
1944,20.3,21.9,26.4,27.9,31.2,31,28.7,28.5,29.2,27.2,23.5,21.2
1945,18.7,21.9,27.8,28.2,29.9,30.4,29.2,29.3,28.9,26.9,23.6,19.4
1946,19.5,24.4,27.5,27.4,29.8,29.8,28.7,28.7,28.4,27,24.6,21.3
1947,19.9,22.6,27.5,30.8,31,30.1,29,28.7,29,27.6,24.3,20.6
1948,20.6,22.9,26.6,29.1,29.5,30.2,28.9,28.6,28.6,28.3,24.8,19.9
1949,20.6,22.5,27.6,27.7,28.7,29.8,28.8,28.8,28.6,28.5,22.9,19.3
1950,20.4,22.5,26.9,30.1,30.3,29.7,28.6,28.6,28.8,27.3,23,20.3
1951,19.3,22.8,27.1,29.7,31.5,30,29,29.4,29.3,29,24.5,21.2
1952,20.6,24.2,26.3,29.3,30.2,30.4,28.6,28.8,28.8,27.7,24.2,20.4
1953,19.6,23.9,29,31.1,31.2,29.8,29,28.9,28.9,27.9,23.9,21.7
1954,19.2,24.7,28,31.7,31,29.2,29,29,29.1,27.2,22.8,20.9
1955,20,23,28.3,29.8,31.3,29.6,28.6,28.4,28.9,27.4,24.1,20.1
1956,20.9,21.6,27.7,30.4,30.6,28.2,28.8,28.9,28.4,27.7,23.9,21.2
1957,20.9,22,26.2,30.2,32.6,31,28.8,29.4,29.3,28.2,24.1,21.4
1958,22,23.3,28,30.5,31.1,31.5,29,29.1,29.1,28.7,25.3,21.6
1959,20.8,22.6,27.8,30.3,31.2,29.6,29,28.7,28.3,27.5,23.5,20.4
1960,19.7,24.3,26.3,31.1,31.3,30.7,28.6,29.3,28.9,28,23.5,21
1961,20.6,21,28.8,30.8,30.9,29.8,28.7,29,28.6,27.8,23.4,18.7
1962,18.6,22.6,27.6,29.8,30.1,29.4,29.7,29,29.1,27.4,23.9,20.8
1963,19.2,24.2,27.5,29.1,29.2,29.6,29,29.1,29.1,28.1,24.6,21.4
1964,21,23.9,28.6,29.7,30.3,30.5,28.2,28.9,29.1,28.2,24.5,20.9
1965,20.4,22.6,25.9,29,30.6,30.6,28.5,28.4,28.5,27.5,24.7,20.8
1966,19.8,24.2,27.7,30.5,31.8,29,29,28.6,28,26.8,24.5,19.6
1967,20.2,23.9,26.2,28.9,30.5,30.4,29,28.5,28.4,27.7,23.4,21.9
1968,20.1,22.3,27.8,29.1,30.6,27.9,28.6,28.3,29.4,27.3,23.9,20.4
1969,19.6,24,28.6,29.7,30.2,30.5,28.8,28.3,28.7,27.8,25,20.6
1970,20.2,23.3,27.1,29.9,31.1,29.1,28.9,29,28.4,27.8,23.7,19.9
1971,20.2,22.3,26.3,26.9,28.8,28.6,28.2,27.5,28.9,27.7,23.3,20.4
1972,19.4,20.3,27.3,29.8,31.8,30.7,29.4,28,29.3,28.1,25.1,21.8
1973,21.7,24.5,26.3,30.9,29.3,29,28.9,28.4,28.2,27.6,24.1,19.9
1974,19.4,22.2,27.2,29.1,29.7,29.9,28.3,29,28.6,28.5,25.4,19.6
1975,19.4,22.6,28,29.5,30.5,29.4,28.2,28.4,28.3,28.6,23.1,19.6
1976,19.7,23.5,27.8,29.3,29.3,29.6,29,28.3,28.6,28.7,26.4,20.8
1977,19.6,22.7,28.4,28.6,28.5,28.9,28.7,28.9,28.8,27.9,25.5,20.5
1978,18.7,22.1,25.9,29,29.9,29.7,28.7,28.9,28.2,28.2,25.8,20.9
1979,20.9,21.5,26.8,29.6,31.9,31,30,29,29.5,28.7,26.9,21.4
1980,20.5,23.3,27.1,30.8,30.5,29.5,29.1,29.1,29.6,27.9,24.4,21.1
1981,20.1,23,26.6,28,28.7,29.9,28.8,29.3,29,28.5,24.7,20.2
1982,21.1,22.9,25.8,29,31.5,30.3,30.1,28.6,29.5,28.8,24.5,20.7
1983,20,22.5,27.1,29.4,30.1,30.3,29.6,28.8,29.1,27.9,24.8,20.3
1984,19.8,21.8,27.5,29.6,30.4,28.6,28.8,28.6,28.8,28.5,23.9,20.9
1985,20.6,22.9,28.8,30.5,30.1,29.9,28.2,29,28.9,27.7,24.3,21.6
1986,20,23.3,28.1,29.1,29.6,30.2,28.8,29.6,28.8,27.2,24.9,21.8
1987,19.9,23.1,27.2,29.7,30.4,30.6,29.5,29.3,29.6,28.6,25.1,21.5
1988,20.4,23.6,27.7,29.9,30.4,29.2,29.2,29.2,29.4,28.5,25.1,22.1
1989,18.9,22.8,27.1,30,30.7,29.4,29.1,28.9,28.9,28.1,24.7,20.6
1990,20.4,23.7,25.2,28.7,29.5,30,28.6,29.4,29.1,27.2,25.6,21.4
1991,20.3,24.7,28.3,29.9,30.4,29.5,29.7,29.3,29.5,27.7,23.7,20.3
1992,19.3,22.2,27.9,30.5,29.9,29.9,28.8,28.9,29.1,28.2,24.8,20.4
1993,20.4,23.8,26.3,27.6,29.3,29.2,29.3,28.4,28.4,28.3,24.8,21.1
1994,20.6,22.2,28.1,29.2,30.7,29.5,28.9,28.9,29.4,28.6,24.7,21.1
1995,19.1,23.2,27.3,30.5,30.9,29.9,29.1,29.3,28.6,28.4,24.7,21.3
1996,20.7,23.3,28.3,29.6,31.3,29.1,29.2,28,29.3,27.9,24.8,20.9
1997,19.3,22.4,27.8,27,30.5,30.5,29.1,28.8,28.8,27.9,26,20.6
1998,18.6,23.2,25.7,28.9,30.7,31.4,29.5,29.2,29.1,29.1,26.1,21.6
1999,20,24.6,28.7,30.8,29.7,29.6,28.8,28.6,28.2,28.1,24.9,22
2000,20.7,22.4,27.5,29.5,29.6,29.4,29,29.4,28.7,28.5,25.6,20.9
2001,19.5,24,27.6,29.9,29.9,28.7,28.6,29.4,29.6,28.7,26.2,21.2
2002,20.8,23.4,28.1,28.9,30.4,29.8,29.2,28.5,28.7,28.1,24.9,21.7
2003,18.3,24,26.4,30,30.8,29.9,29.5,29.6,29.4,28.3,24.9,20.9
2004,19.6,23,28.1,29.3,31.6,30.2,29.2,28.7,28.8,27.3,24.7,21.3
2005,20.1,24.6,27.9,29.6,30.6,31.4,28.7,29.4,29.4,27.2,23.8,21.2
2006,20.3,25.9,28.2,29.5,30.2,30,29,28.4,29.4,28.6,25.4,21.9
2007,19.9,23.1,26.6,30,30.3,30.2,28.9,29.5,29,28.3,24.9,20.6
2008,20.3,21.5,28.3,29.6,30.6,29,28.8,29.1,29.1,28.1,25.2,21.8
2009,21.8,24.6,28.2,31.5,30.3,31.4,29.2,29.1,29.7,28.1,25.5,21.4
