1901,18.5,18.5,18.4,17.7,16.1,14.6,14.9,14.5,15.6,16.6,17.1,17.9
1902,18.4,19.3,18.9,18.4,16.8,15.7,15.7,14.6,15.5,17,19.5,20
1903,18,19.1,19.5,17.9,16.3,15.9,14.6,14.8,16.2,17.5,18.6,19.7
1904,18.6,19.2,18.6,17.6,15.7,14.3,14,14.1,16.1,17.1,17.7,18.2
1905,18.4,19.1,17.7,17.6,17.2,15.4,14.8,15.1,16.2,17.9,18.3,19.5
1906,17.9,18.1,18.5,18,16.9,15.5,15.5,15,16.1,17.7,18.2,18.8
1907,18,18.4,19,18.2,16.2,16,14.1,14,16.8,17.2,18,19.3
1908,18.9,19.1,18.5,18.5,17.1,15.8,15.3,14.8,16.2,17.3,18.4,19.5
1909,19,19.6,19.6,18.2,16.4,15.3,15.1,14.8,15.9,16.8,17.7,18.4
1910,18.9,18.7,19.1,18.4,15.7,15.3,14.2,15.1,16.1,16.2,17.5,18
1911,18.8,18.6,17.9,18,16.7,14.5,14,14.4,15.9,17,19.3,19.4
1912,18.5,19.1,18.6,18.2,17.2,14.9,14.1,14.8,15,16.4,19,18.8
1913,18.8,19,19.3,18.4,16.7,14.7,15.1,14.9,16.6,17.3,18.2,17.9
1914,18.3,18,18.6,17.8,16,15.7,14.9,14.8,16.5,17.5,18.6,18.3
1915,18.8,18.8,18.8,18.6,17.6,14.9,14.4,15,16,16.9,17.7,18.1
1916,18.4,18.4,17.9,17.7,16.7,15,14,14.3,16.2,16.5,17.8,17.9
1917,18.3,18.5,18.3,17.3,15.5,13.4,13.4,13.4,15.5,16.7,17.3,18.3
1918,18.5,18.1,18.2,17.6,16.6,14.7,13.7,13.6,15.6,17.2,17.8,17.9
1919,18,17.9,18.1,18,17,15.1,14.3,14.1,15.7,17.4,18.4,18.7
1920,18.6,18.5,18.5,17.8,16.3,14.7,14.7,13.7,15.5,17.1,18.3,18.7
1921,18.6,18.9,19,17.8,16.5,14.3,13.5,14.7,15.6,16.8,17.4,18.4
1922,18.8,18.5,19,18.3,16.8,14.9,14.3,14.9,16.1,17.3,18,18.6
1923,18.8,18.6,19.1,18.3,16.7,15,13.5,14.4,16.1,17.3,18.4,19.5
1924,18.7,18.8,19.1,18.7,16.9,14.9,14.1,14,15.8,16.1,17.8,18.4
1925,18.4,18.4,18.3,18.3,16.9,14.4,13.6,15.2,16.3,16.8,18.3,18.9
1926,18.8,18.3,18.8,18.1,16.4,15.1,14.2,14.5,16.6,17.5,18.8,19.1
1927,18.7,18.6,19.1,18.4,16.7,14.5,13.7,14.5,16.2,17.4,18.6,18.4
1928,18.5,18.8,19.1,18.8,16.9,15.5,14.5,14.4,16.3,17.2,18.2,18.6
1929,19.1,19,19.3,17.3,15.7,14.7,13.8,14.7,17,17.7,17.6,18.9
1930,18.9,18.8,18.9,17.8,16.7,15.7,14.5,14.9,16.1,17.6,18.1,18.6
1931,19,18.7,19.4,18.6,16.7,15,14.7,14.1,15.6,17.1,17.8,18.9
1932,18.4,19.1,18.7,18.7,16.7,15.1,14.8,14.2,16.6,17.7,18.4,18.9
1933,18.6,18.8,18.5,17.2,15.5,13.8,13.5,14,15.8,17.2,17.3,18
1934,18.5,18.8,18.3,18.1,16.4,14.5,13.3,13.8,15.9,16.5,17.9,18.7
1935,18.4,18.5,19,17.7,15.6,15,14.8,14.2,15.7,17.4,18,19
1936,18.4,17.9,18.4,17.9,16.9,15.3,14,13.9,15.4,17,17.9,18.3
1937,18,19.2,18.9,17.8,15.6,14.8,14.4,14.7,15.3,17,18,18.1
1938,19.3,19,18.9,18.1,16.3,14.3,13.6,14.2,16.1,17.3,18.2,18.6
1939,18.5,18.5,18.3,17.9,16.1,15,13.6,14.6,15.6,16.9,18.3,18.7
1940,18.9,18.5,19,18.6,17.1,14.8,14.7,14.5,15.6,17.2,17.8,19.6
1941,19.4,20.2,18.9,19.1,16.6,14.2,14.3,15.4,15.5,17.7,18.6,19.4
1942,20,20.1,18.5,18.1,16,15,13.9,14.5,16,17.5,18.4,18.1
1943,18.4,18.5,18.9,17.3,17,14.8,13.8,13.4,15.3,18.3,17.9,18
1944,18.3,19,18.8,17.5,15.4,14.7,13.4,14,16.5,18.4,18,19.1
1945,19.2,19.2,18.6,18.1,15.7,14.1,14.2,15.2,15.5,17.6,18.3,18.9
1946,19.7,20.1,18.4,17.8,16.8,14.9,15.1,15.2,17.1,18.4,18.5,19.3
1947,19.1,19.9,18.5,17.6,16.6,15.2,14.4,14.6,16.5,17.2,17,19.1
1948,19,19.5,18.8,18,16.8,14.8,15,14.8,16.3,17.6,18.3,19
1949,18.3,17.7,19.4,17.4,15.7,14.9,14,13.7,15.9,16,17.6,18.5
1950,18.8,18.5,18.2,17.6,15.4,14.7,13.7,14.1,15.5,17.7,17.8,18.3
1951,18.4,18.2,19,17.1,15.8,13.9,13.4,13.6,16.1,17.7,18.1,18.1
1952,19.1,19,18.2,18.3,16,15.2,14.7,14.7,16.8,17.8,18.5,18.6
1953,19.4,19,18.3,18,16.4,15.2,14,14.5,16.3,17.6,18.1,18.3
1954,19.1,19,19,17.9,16.2,15.5,14.5,14.3,16.5,17.8,17.8,18.3
1955,18.4,18,17.6,17.6,16.3,14.4,14.4,15.1,16.6,17,17.3,18.6
1956,19.2,18.5,18.7,17.6,17.6,14.1,14.4,13.9,16.2,17.1,17.5,18.2
1957,18.3,18.4,18.9,17.4,15.8,14.5,14.5,14.6,16.5,17.5,17.8,18.3
1958,18.9,19.4,18.5,19.3,16.1,15.8,14.7,15,16.5,17.7,18.9,19.2
1959,19,19.9,18.8,19.4,17.7,15.1,15.2,15.5,16.7,17.8,18.5,19
1960,18.9,19.1,19.2,17.6,16.8,14.9,14.3,14.9,16.2,17.7,18,19.1
1961,19.1,19,18.9,18.7,16.8,15.3,14.6,14.9,17.8,17.5,19.1,18.8
1962,19.2,19,18.8,18.6,16.5,14.2,14.3,14.8,16.4,16.6,18.5,18.6
1963,19.5,19,19.1,18.9,16.3,14.5,13.9,14.7,16.6,18.9,19.4,19
1964,18.8,20.1,19.4,18.8,17.1,14.6,14.7,14.9,16.1,17.7,17.4,19.2
1965,18.6,19.2,18.6,18.9,17.2,15.4,15.2,15.5,17.4,17.8,18.5,19.7
1966,18.6,19.2,19,18.4,16.7,15.4,15,14.9,16,18.1,18.2,19.6
1967,19.8,19.7,19.4,18.7,17.1,15.7,14.6,15.1,16.7,18,18.2,18.5
1968,19,18.7,20.2,17.5,15.7,15.2,14,14.2,15.8,17.4,18.3,18.9
1969,19.3,19.5,18.8,18.5,16.8,15.6,15.3,15.5,17.1,18.5,19.2,18.5
1970,19,19,19.1,18.3,16.9,15.5,14.3,14.7,16.8,17.7,18.4,19.6
1971,19.5,19.7,20,19.1,17.2,15.7,15.1,14.9,16.4,17.3,18.1,19.3
1972,19.3,19.5,19.9,18.3,17.4,16,16.1,16,16.5,18.9,20.4,19.7
1973,20.8,20.3,20.2,19.7,17.9,16.7,15.9,16.1,17.5,18.5,18.5,19.8
1974,20,19.1,19.5,18.6,18.4,15.2,14.3,15.5,17.3,18.3,18.6,19.2
1975,18.9,19.6,19.9,17.7,16.8,15.2,14.5,15.1,16.7,17.8,18.5,18.7
1976,19.1,18.1,17.8,18.3,17.4,15.4,15.2,15.4,17.2,17.4,18.7,19.6
1977,19,19.3,19.6,18.9,16.6,15.2,15.4,15.6,16.8,17.8,19.2,19.2
1978,19,18.9,19.7,18.2,17.1,14.7,15.4,15.2,16.4,17.9,19.9,18
1979,17.5,17.9,18,17.2,16.4,14.7,14.8,15.4,16.6,18.3,18.6,19.8
1980,18.9,18.8,19.1,18.6,17,15.5,15,15.8,16.5,18,18.5,19.3
1981,19.1,19.2,17.8,17.8,16.8,14.8,14.2,15,16.3,17,18.7,19.3
1982,18.7,19.1,19.3,17.3,16.8,15.7,15.4,15.4,15.7,18,19.2,19.6
1983,19.3,19.5,20.4,18.8,17.7,16,15.7,15.2,16.6,17.9,18.7,19.3
1984,19.6,20,20.1,18.2,17.1,16.1,15.5,15.4,16.5,17.8,18.6,19.8
1985,19.1,19.8,20.2,18.7,17.9,14.5,14.5,15.4,16.4,18,18.7,18.7
1986,18.6,19.9,20.2,19,17.6,15.4,14.9,15.9,16.4,17.8,18.5,20.1
1987,20.3,20.5,20.2,19.6,17.3,16.4,15.7,15.7,17,18.9,19,20
1988,20.3,20,21.3,18.7,17.8,16,14.8,15.2,17.6,18.9,18.7,19.5
1989,19.7,20.7,20.3,19.7,17.6,16,14.7,15.9,17.7,18.1,19.6,19
1990,19.7,20.2,20.9,20.3,17.6,15.5,15.4,15.4,16.5,18.5,19.8,20.3
1991,19.3,19.2,19.8,18.6,17.6,15.7,15,14.6,16.1,17.9,18.6,19.2
1992,18.5,18.5,19.1,19.1,17.9,15.7,15.3,15.2,16.3,17.8,18.3,18.6
1993,19.4,18.2,19.9,19.1,17.2,15.5,15.5,15.2,17.2,18.5,19.4,19.5
1994,19.6,19.6,19.3,18.8,17.9,15.7,14.5,14.7,16,17.5,19.4,19.1
1995,21.2,19.2,19.6,19,17.2,14.7,15.1,16.6,16.3,17.9,18.4,18.7
1996,19,19.4,19.8,16.7,16.6,14.2,15.6,15.1,17,17.8,16.5,19.6
1997,19.8,19.2,18.3,17.9,15.6,14.3,13.9,16,17.2,18,19.2,19.5
1998,19.5,19.8,21,20.1,17.6,15.3,15.3,16.8,16.8,19.1,19.7,20.1
1999,20.1,20.1,19.6,19.2,17.1,15.9,16.1,14.8,16.8,17.4,18.2,19.7
2000,19.4,19.4,19.5,18.8,17.2,15.4,15.1,15.4,16.8,18.9,19,19.6
2001,19.5,20.1,20.1,19.8,18,15.8,15.5,15.2,16.7,17.5,19.2,19.8
2002,19.2,19.1,20.3,19.3,18.2,16.4,16.5,16.2,17.4,19.1,19.3,20.4
2003,20.3,20.2,20.1,19.6,17.8,15.9,15.7,15.8,17.3,18.2,19.4,20.4
2004,19.5,19.7,20.4,18.9,18.5,15.6,14.9,15.3,17.3,18.6,19.2,19.9
2005,20,20.5,20,19.5,17.8,16.1,15.1,16,17.5,19.2,18.6,19.3
2006,19.8,20.2,20,19.1,16.9,15.3,13.9,16.1,17,18.3,18.9,19.9
2007,20.2,19.4,20.2,19.3,17.1,15.4,15.7,15.5,16.9,18.4,19.3,19.5
2008,19.1,19.3,19.6,20.2,16.9,15.5,14.6,15.5,17,18.9,18.9,19.1
2009,19.6,19.8,20.2,19.1,17.3,15.7,16,16.1,18.1,18.7,19.6,20.4
