1901,18.1,18.2,19.3,20,20,19.6,19.8,19.4,19.1,19.1,18.8,18.2
1902,18,18.2,19.4,20,20,19.6,19.8,19.3,19.2,19.1,18.9,18.2
1903,18.1,18.3,19.3,20,20,19.7,19.8,19.4,19.2,19.1,18.8,18.1
1904,18.1,18.2,19.3,20,20,19.6,19.8,19.4,19.1,19.1,18.8,18.2
1905,18.1,18.2,19.3,20,20,19.6,19.8,19.4,19.1,19.1,18.8,18.2
1906,18,18.1,19.3,19.9,20,19.6,19.8,19.4,19.1,19.1,18.8,18.2
1907,18.1,18.2,19.3,20,20,19.6,19.8,19.3,19.1,19.1,18.8,18.2
1908,18,18.1,19.3,20.1,20,19.6,19.8,19.4,19.1,19.1,18.7,18.2
1909,18.1,18.2,19.3,20,20.1,19.6,19.8,19.4,19.1,19.1,18.7,18.2
1910,18,18.1,19.2,19.9,20,19.6,19.8,19.4,19.1,19.1,18.7,18.1
1911,18.1,18.2,19.3,20,19.9,19.5,19.8,19.4,19.1,19.1,18.8,18.2
1912,18.1,18.1,19.3,20.1,20,19.6,19.8,19.4,19.1,19.1,18.7,18.2
1913,18.1,18.3,19.3,19.9,19.9,19.5,19.8,19.4,19.1,19.1,18.7,18.2
1914,18,18.2,19.2,20,19.9,19.5,19.8,19.4,19.1,19.1,18.8,18.2
1915,18.1,18.1,19.1,19.9,20.3,19.8,19.8,19.6,19.2,19.3,18.9,18.2
1916,18.3,18.2,19.2,19.9,20.2,19.7,19.7,19.4,19.1,19.2,18.8,18.2
1917,18.1,18.1,19.3,20,20,19.6,19.8,19.4,19.1,19.1,18.8,18.2
1918,17.9,18.3,19.4,20.1,19.9,19.6,19.8,19.5,19.2,19.3,18.8,18.3
1919,18,18.2,19.3,19.9,20,19.5,19.8,19.4,19.1,19.1,18.9,18.2
1920,18.1,18.2,19.3,20.1,20,19.5,19.8,19.4,19.1,19.1,18.8,18.2
1921,18.1,18.3,19.4,20.1,19.8,19.6,19.7,19.4,19.2,19.1,19,18.3
1922,18.2,18.3,19.5,20.1,20,19.6,19.6,19.4,19.1,19.2,18.9,18.4
1923,18,18.2,19.4,20.2,20,19.6,19.7,19.3,19.2,19,18.7,18.3
1924,18.3,18.1,19.4,20.3,20.2,19.4,19.7,19.5,19,19.1,18.7,18.3
1925,18.3,18.2,19.1,19.9,20,19.7,19.7,19.5,19.1,19.3,18.9,18.4
1926,18.2,18.3,19.4,20.4,20.2,19.7,19.7,19.3,19.1,19.1,18.7,18.2
1927,17.8,18.2,19.1,19.8,19.9,19.5,19.6,19.4,19,19,18.7,18
1928,17.8,18.2,19.2,20,19.8,19.5,19.7,19.3,19.1,19,18.6,18
1929,18.1,18.4,19.4,20,20,19.4,19.5,19.2,19,19,18.9,18.1
1930,18.2,18.2,19.3,19.9,20,19.4,19.7,19.4,19.1,19,18.6,18
1931,18.5,18.7,19.7,20.4,20,19.7,19.5,19.6,19.4,19.6,18.5,18.7
1932,18.7,18.6,19.2,20.4,20.1,19.3,19.5,19.4,19.4,19,18.2,18.4
1933,18.7,18.7,19.1,20.4,20,19.4,19.8,19,19,18.7,17.7,17.5
1934,18,17.7,18.2,20.2,19.4,19.3,19.5,19.8,19.5,18.9,18.8,18.5
1935,17.6,17.2,19.3,20.1,19.7,19.5,19.9,19.3,19.1,19.1,18.6,18.3
1936,18.9,19.2,20.3,20.5,20.2,19.6,19.6,19.6,19.4,19.4,19.4,18.2
1937,19,18.7,19.9,20.5,20.1,19.7,20,19.4,18.9,18.9,18.3,18.4
1938,18.1,18,19,19.3,19.8,19.4,19.5,19.2,18.9,18.9,18.6,17.6
1939,18.3,18,18.7,19.6,19.9,19.4,19.7,19.7,18.8,19.2,18.4,18.6
1940,18.2,18.1,19.3,19.8,19.9,19.5,20.1,20,19.2,18.9,18.7,18.1
1941,18.6,18.8,20.4,20.7,20.1,20.3,19.9,19.8,19.2,19.4,18.7,18.5
1942,17.6,18.8,19.4,20.3,20.5,19.6,19.6,19.2,18.9,18.8,18.5,18.1
1943,17.7,17.1,17.8,19.2,19.5,19.1,19.5,19.2,19.4,18.7,18.2,17.9
1944,17.6,18,19.4,20.4,19.2,18.8,19.8,19.2,18.8,18.6,18.8,17.5
1945,18.1,18.5,19.5,19.4,19.1,19.8,19.8,19.2,19,18.6,18.3,18
1946,18,17.9,18.9,19.6,20.1,20,19.8,19.4,19,18.7,18.6,18.1
1947,18.2,18.1,19.6,19.9,19.5,19.2,19.2,18.7,18.5,18.8,18.8,17.9
1948,17.7,18,19.4,19.1,19.5,19,18.9,18.7,18.8,19,19.2,18.1
1949,17.2,17.8,18.9,19.8,19.9,19.2,19.2,18.8,18.4,18.8,17.5,17.1
1950,17.4,16.7,17.9,19,19.2,18.7,18.9,18.5,19,18.4,17.6,17.2
1951,18,17.1,19.1,20.5,20.7,20.5,20.2,20.1,20.2,19.2,18.9,18.4
1952,18.4,17.9,18.7,19.9,19.4,19.5,19.3,20.6,20.5,18.9,20,17.7
1953,17.4,17.1,18.6,20.3,19.8,19.8,20,19.8,19.2,19.3,18.7,18.5
1954,17.9,17.5,18.8,19.3,19,18.1,18.7,18.7,18.7,17.7,20.1,17.4
1955,17.6,17.9,18.4,19.2,19.7,19.4,18.9,19,18.8,18.1,18.5,17.3
1956,18.1,19.5,21.4,21.7,20.5,20.1,20,20.2,19.6,20,19.2,18.6
1957,19,19.7,19.9,21,21.1,21.4,20.5,20.4,20.4,20.1,19.6,18.3
1958,18.6,18.9,20.7,20.6,21,20.5,20.8,20.1,20.3,20.2,19.2,18.3
1959,17.3,18.6,19.9,19.5,20.7,20,21.2,19.9,20.4,19.7,19,18.3
1960,18.8,18.8,19.6,21.1,20.7,20.5,20.7,20.4,20.3,19.6,19.3,18.2
1961,17.9,18.4,19.1,20,19.8,19.3,19,19.4,17.9,18.6,18,17.6
1962,17.7,17.8,18.9,19.4,19.1,18.6,18.4,18.8,18.8,17.9,18,17.6
1963,17.7,18.2,19.5,19.5,19.8,19.9,20.2,20,19.2,19.5,18.3,18.5
1964,18,19,19.8,19.9,20.2,18.7,18.9,18.7,18.6,18.3,18.8,17.7
1965,17.6,18.3,18.5,19.9,20.4,20.4,20.7,19,19.1,19.7,19.3,17.9
1966,19,19.7,19.9,20.8,19.7,19.8,20.1,20.1,19.5,18.6,19,18.2
1967,18.7,18.6,19.1,20.2,20.8,19.5,19.8,19.5,18.8,19.7,19,18.6
1968,18.7,18,19.3,20,19.3,19.4,20.2,19.9,19.3,19.4,18.6,18.5
1969,17.7,18.7,20.5,20.8,20.9,19.8,20.6,19.2,19.6,18.6,18.6,18.6
1970,18.5,18.1,19.6,20.2,19.5,19.6,19.1,18.7,18.6,18.4,18.2,17.9
1971,17.7,18,18.9,19.4,19.6,19.4,19.4,18.8,18.2,18.9,18.4,18
1972,17.6,18.1,19.1,20.2,19.9,20,20.4,19.7,19.4,19.8,19.7,19.2
1973,19,19,20.3,20.5,20.2,19.6,19.8,19.1,18.7,18.6,19,17.5
1974,17.7,17.2,18.4,19.8,19.3,18.9,19.4,19.2,18.2,18.4,18.7,18
1975,17.9,15.2,16.9,17.3,18.5,18,17.4,17.3,17.6,18.5,17.9,17.1
1976,17.4,17.5,18.6,17.8,18.4,18.3,18.7,18,18.4,18.5,19.4,18.6
1977,15.7,15.7,17,18,18.8,18.6,18.4,18.2,18.5,18.2,17.7,19
1978,17.1,18.6,19.6,20.1,20.1,19.6,19.6,18.8,18.9,19,19.2,18.2
1979,18.3,18.8,19.8,20,20,19.6,20.1,19.3,19,19.5,18.9,18.3
1980,17.7,18.3,19.8,20.5,20.5,20.1,20.1,19.5,18.8,19.9,18.7,18
1981,18,18.7,19.7,20.2,20.1,19.4,20.1,19.3,19.5,19.4,18.8,18.7
1982,18.7,19,19.6,20.2,19.8,20.1,20.6,20.9,19.8,19.4,19.4,19
1983,19.3,20,20.7,21.3,21.4,20.7,21,20.4,19.6,19.3,19.1,18.2
1984,18,18.5,19.7,20.1,19.8,20.1,19.5,19.4,18.8,19.2,18.2,17.9
1985,18.3,18.3,19.6,20.1,20.1,19.9,19.6,19.3,19.1,19,18.6,18.2
1986,18.3,18.1,19.3,20.5,20.3,19.9,20.8,20.2,19.9,19.2,19.4,18.8
1987,18.5,18.9,20.3,20.6,20.7,20.6,20.4,20.3,20.2,19.9,20.1,18.9
1988,19.1,19,19.6,20.6,20.3,19.5,20.1,19.2,19.4,19.2,19,18
1989,18.6,17.5,18.5,20.1,20,19.9,20,19.5,19.1,19.5,19.3,18.1
1990,19,18.4,19.4,20.7,20.7,20.5,20.1,20,19.9,19.5,19.2,18.8
1991,19.5,19.4,20.8,21.1,21.3,20.3,21.8,21.2,21.3,20.7,19.9,19.2
1992,19.4,19.4,20.7,20.9,22,21.5,21.2,19.9,20.4,20.7,19.8,19.5
1993,19.3,19.1,20.1,21.4,21.2,21.3,21.8,21.3,20.4,20.9,20.2,19
1994,19.1,19.4,20.5,21.3,21.4,21.3,21.7,21,21.3,20.8,19.5,19.6
1995,19.6,19.5,20.5,21.3,21,20.9,21.3,20.3,20.9,20.2,20.2,19.4
1996,18.8,19.7,20.1,20.4,19.8,19.8,20.4,20.2,19.5,19.3,19,18.9
1997,18.5,19,19.7,20.7,21.2,20.4,21.8,21.6,20.4,20.7,19.4,19.4
1998,20.2,20.3,21.1,21.8,22.5,21.2,20.3,20.4,19.9,19.7,19.3,18.4
1999,18.6,18.4,19.2,20.2,19.8,19.7,20.1,19.4,18.8,19,18.6,17.7
2000,18,18.2,19.4,20.4,20.1,19.9,20.3,20.2,19.4,20,19.4,18.5
2001,18.4,18.7,19.6,20.7,21.2,21,20.8,21,20.1,20.5,19.4,19.2
2002,19.5,19.3,20.5,21,20.8,21.1,21.3,19.3,20.3,20.5,19.7,19.6
2003,19.7,20,20.6,21.3,21,20.4,21.1,20.4,20.2,20.2,19.8,19
2004,19.3,19.4,20.4,21.1,20.9,21.2,20.6,20.6,19.8,19.8,19.2,18.9
2005,18.6,18.1,20.2,20.9,20.9,20.3,20.7,20.2,20.2,19.1,18.8,18.3
2006,18.8,18.6,19.7,20.5,20.9,20.8,20.8,20.9,20.4,20.5,18.9,19.1
2007,19.6,19.4,20.4,20.8,20.3,20.5,20.6,19.7,19.9,19.2,19.2,18.5
2008,18.9,18.7,19.6,20.2,20,20.2,19.9,19.5,19.7,19.5,19,18.6
2009,18.8,18.7,19.5,21,20.5,20.4,21.2,20.5,21,20.1,19.6,19.5
