1901,18.5,19.1,19.7,20,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1902,18.6,18.9,19.8,19.9,20.3,19.6,19.4,19.4,19.3,19.3,19.4,18.8
1903,18.8,19.2,20,20,20.2,19.3,19.4,19.4,19.3,19.3,19.4,18.8
1904,18.6,18.9,19.6,19.9,20.1,19.5,19.4,19,19.3,19.3,19.4,18.8
1905,18.8,19.3,20.2,20.3,20.5,19.4,19.4,19.5,19.3,19.3,19.4,18.8
1906,18.5,19.1,20.2,20.4,20.2,19.5,19.4,19.3,19.3,19.3,19.4,18.8
1907,18.4,19.2,20,20.1,20.3,19.5,19.4,19.6,19.3,19.3,19.4,18.8
1908,18.4,18.9,19.9,20.1,20.3,19.1,19.4,18.8,19.3,19.3,19.4,18.8
1909,18.6,19.2,20.1,20.3,20.3,20,19.4,19.9,19.3,19.3,19.4,18.8
1910,18.3,18.8,19.6,19.7,20,19.9,19.4,19.3,19.3,19.3,19.4,18.8
1911,18.4,19,20.1,20.1,20.4,19.7,19.4,19.4,19.3,19.3,19.4,18.8
1912,18.7,19.5,20.4,20.5,20.6,20,19.4,19.5,19.3,19.3,19.4,18.8
1913,18.5,18.9,19.8,19.9,20.1,19.3,19.4,19.3,19.3,19.3,19.4,18.8
1914,18.9,19.2,20.2,20.3,20.4,19.5,19.4,19.3,19.3,19.3,19.4,18.8
1915,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1916,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1917,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1918,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1919,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1920,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1921,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1922,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1923,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1924,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1925,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1926,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1927,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1928,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1929,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1930,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1931,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1932,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1933,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1934,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1935,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1936,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1937,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1938,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1939,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1940,18.6,19.2,20,20.1,20.3,19.6,19.4,19.3,19.3,19.3,19.4,18.8
1941,20.5,20.6,21.7,21.4,21.1,20.3,19,19.3,20.2,20.5,19.4,18.9
1942,20,20.7,21.4,21,20.7,20.5,20.5,19.2,19.9,20,19.4,19.1
1943,19.3,19.5,20.4,20.1,20.3,19.2,19.7,19.2,19.9,19.7,19.3,19.5
1944,19.4,19.4,20.2,20.3,20.6,20.8,20.8,19.2,20.3,19.7,19.3,19.3
1945,20.1,19.8,21.3,19.9,20.5,20.2,20.1,19.2,19.9,19.6,19.4,18.9
1946,20,20.1,21.3,21,20.4,20.2,20,19.2,19.9,19.5,19.3,19.1
1947,19.6,19.6,21.1,20.3,21.1,20.9,20.1,20.1,20,20.2,19.4,19.2
1948,19.2,19,20.4,19.4,20.4,19.8,19.4,19.4,20.3,20,19.3,18.5
1949,20,19.7,20.8,21,21.1,19.8,20,19.3,19.9,19.8,19.4,17.3
1950,19.2,19.6,20.3,20.1,20.3,20.5,19.5,18.4,19.6,19.1,19.3,18.5
1951,20,19.7,20.4,20.9,20.6,20.2,20.1,19.6,19.9,20.1,19.3,19.9
1952,20.6,19.8,21,20.8,20.7,19.7,19.9,18.3,19.7,20.4,19.1,19.6
1953,19.5,19.4,20.9,20.2,20.9,20.2,19.9,18.5,19.9,20,19.4,19.2
1954,19.4,18.9,20.5,20.4,20.8,20,19.5,19.7,19.8,19.8,19.6,19.1
1955,18.9,19.5,20.1,19.8,20.7,19.7,19.5,19.3,19.5,19.8,19.8,19
1956,18.6,19.4,19.8,20.1,20.7,19.9,19.2,19.2,19.8,19.4,20.1,19
1957,18.3,19,20,19.8,21,20.4,20,19.4,19.4,20,20,19.4
1958,20,19.7,20.5,20.1,20.9,20,19.2,19.9,20.3,20.4,19.9,19.5
1959,19.4,19.5,21.1,19.7,20.8,20.5,19.9,19.9,19.7,20.2,20.1,19.5
1960,19.3,19,19.8,19.6,20.6,19.8,19.7,19.6,19.7,19.7,20,19.4
1961,18.9,18.2,20,19.9,21.3,19.3,18.5,19.1,19.2,19.2,19.3,18.8
1962,18,19.1,19.7,20.6,20.5,19.6,19.9,19.8,19.8,18.9,20.1,18.7
1963,18.4,18.8,19.7,20.2,20.6,19.8,19.6,19.6,20.4,18.8,19.5,18.8
1964,18.6,18.8,20.4,20.1,20.5,19.2,19.1,18.8,19.4,19,18.8,18.3
1965,18.7,18.7,19.3,19.6,20.4,19.9,19.5,20.2,19.7,19.5,20,19
1966,19.2,18.5,20.3,20,20.6,19.5,19.5,19.5,19.5,19.8,20.1,18.8
1967,18.5,19.3,19.6,20.4,19.7,19.4,18.5,18.7,19.1,19.3,19.3,19
1968,18.5,18.8,19.5,20.2,20.4,19.2,19.7,19.6,19.6,18.8,19.8,18.9
1969,18,19.1,20.3,20.5,21.3,20.1,19.6,19.8,19.6,19.7,20.5,19.1
1970,19,19.6,20.6,20.8,20.9,19.1,18.9,19.1,19.2,19.9,20.1,18.5
1971,17.7,18.7,19.7,19.8,19.8,19.5,19,18.6,18.2,19.3,18.9,17.6
1972,18.6,18.6,19.7,20.1,20.3,19.4,19.9,19.4,19.6,19.3,19.6,19.3
1973,19.6,20.1,20.3,19.5,19.9,19.8,19.6,19.1,19.1,19.2,19.2,19.4
1974,18,18,19,19.5,19.4,18.9,18.9,18.7,18.7,18.9,18.8,18.2
1975,17.5,18.4,19.5,19.6,19.6,19,18.7,18.6,18,18.4,18.6,18.2
1976,17.6,18.1,18.8,19.2,19.3,18.5,18.7,18.5,19.9,18.8,18.5,18.5
1977,18.6,18.9,20.1,20.4,20.2,19,19.1,19,19.2,19.3,19.5,18.7
1978,17.7,19.1,19.7,18.9,19.7,18.7,18.8,18.9,18.8,18.7,18.7,18.8
1979,18.9,19,20.1,20,19.8,19.8,19.8,19.3,19.4,19.4,19.9,18.8
1980,19,18.7,19.3,20.4,20.7,18.8,19,18.9,19,18.7,19.5,18
1981,18.2,19.7,19.9,20.3,20.2,19.7,19.6,19.3,19.4,19.5,18.9,19.4
1982,19.3,19.2,19.7,20.4,20.2,19.4,18.8,19.2,19.6,19.4,19.8,19.5
1983,19.1,20.4,21.7,21.5,20.9,19.9,19.5,19,19.5,19.2,18.9,18.5
1984,18.2,19.9,20,20.1,20.1,19.8,18.9,19.5,19,19.6,19.2,18.6
1985,19.2,19.1,20.4,19.6,20.3,19.6,19.1,19.1,18.8,19.6,19.3,19.2
1986,19.3,19.9,19.4,20.4,20.8,20.1,19.6,19.7,19,19,19.7,18.6
1987,19.2,19.2,20.3,20.7,21.1,20.5,20.3,19.8,19.6,19.5,19.8,19.8
1988,19.3,20.9,20.5,20.4,20.7,19.7,20,19.5,19.2,18.9,19,18.5
1989,16.1,19,19.8,20.2,19.6,20.3,19.6,19.6,18.9,19.8,19.8,18.7
1990,20,19.7,21,20.5,20.8,20.6,19.8,19.7,19.6,19.7,20.2,19.8
1991,19.1,19.3,20.7,20.7,20.3,20.3,19.6,19.1,19.9,19.5,20.2,18.9
1992,18.4,19,20.7,20.8,19.5,19.3,19.5,20.2,18.9,18.8,20,18.8
1993,17.6,18.3,20.8,19.5,20.4,19.2,19.7,19,18.8,19,19.8,18.7
1994,18.3,19.2,20.5,21.1,20.6,19.5,19.1,19,18.7,19,19.4,19.3
1995,18.7,19,20.1,20.8,20.4,19.9,19.9,19.6,19.3,20.7,20.3,19.5
1996,18.5,18.7,19.6,19.8,19.7,19.5,19.6,19.4,19,20.2,19.8,19
1997,19,19.2,20.9,20.5,20.8,20.1,20.2,20.7,20.7,20.3,20.8,19.3
1998,19.3,20.8,21.2,20.8,20.8,20.4,20,19.7,19.5,19,20.6,19.4
1999,18.3,18.4,20.6,19.9,20,19.5,19.1,19,18.8,19,19.9,18.9
2000,19.2,18.3,20.3,20.3,20.8,19.3,19,19.3,19.3,20.1,19.7,18.8
2001,17.8,20.7,19.8,20,20.4,19.8,19.9,19,19.5,19,19.7,19.7
2002,17.8,19.8,20.3,20.6,21.6,20.5,20.1,19.6,19.2,18.3,19.8,19.5
2003,18.9,20.1,20,20.3,21.2,18.9,19.6,19.8,19.8,19.5,20.2,19.7
2004,19.1,19.1,20.5,20.4,20.6,19.3,19.7,19.4,19,19.5,20.2,20
2005,18.2,20.8,20.6,20.4,20.3,20,19.6,20.3,19.9,19.2,19.4,19.6
2006,19.3,19.7,19.9,20.6,21.1,20.2,20,19.5,19.4,19.8,19.4,18.4
2007,17.9,20.1,20,19.4,20.4,20,19.5,19.9,19.4,19.3,20.6,19.2
2008,18.4,18.5,20.6,19.5,19.9,19.8,19.5,19.4,19.5,19.7,19.7,19.5
2009,18.7,19.8,20.6,21,21.6,20.2,19.6,19.6,19.7,20.6,19.4,19
