1901,18.2,20,20.7,20.4,20.5,20.6,19.7,19.5,20.1,20.1,20.2,19.6
1902,19.5,19.7,20.3,20.3,20.6,21,19.8,19.7,19.7,19.9,19.9,19.3
1903,18.9,19.9,20.9,20.6,20.8,20.6,19.6,19.2,20,20,20.1,19.5
1904,18.5,19.7,20.3,20.1,20.5,20.7,19.3,19.4,19.9,19.9,20.1,19.3
1905,18.8,19.5,20.4,20.6,20.8,20.3,19.5,19.4,19.7,20.1,20.1,19.5
1906,18.5,20.3,21.2,21.2,20.6,20.7,19.3,19.3,19.7,19.8,20.2,19.1
1907,19.1,19.7,20.6,20.4,20.8,20.6,19.7,19.5,19.9,20,20,19.3
1908,19,19.8,20.4,20.7,20.3,20.5,19.4,19.1,19.6,19.8,20,19.3
1909,18.8,20.1,21,20.3,20.3,20.1,19.2,19.1,20,20,20,19.2
1910,17.8,20.1,20.8,20.9,20.8,21.4,19.6,19.5,19.9,19.9,20,19.5
1911,19.1,20,20.8,20.7,20.4,20.1,19.5,19.1,19.8,19.9,19.8,19
1912,19.4,19.9,21,20.9,21.2,20.8,19.7,19.5,19.7,20,19.9,19.5
1913,19.6,19.7,19.9,20.4,20.8,21.6,20,19.7,20,19.8,19.9,18.8
1914,19.1,19.7,20.3,20.3,20.9,21.1,19.4,19.2,19.6,20.1,19.9,19.2
1915,18.7,20,21,20.9,20.6,20.9,19.6,19.6,20.1,20.3,20.3,19.5
1916,19.1,19.9,20.9,20.5,20.7,20.7,19.3,19.4,19.8,19.9,20,19
1917,19.1,19.3,20.5,20.5,20.4,20.5,19.8,19.3,19.6,19.9,19.7,19
1918,18.4,19.9,20.5,20,20.5,20.2,19.1,18.9,20,19.9,20.1,18.8
1919,18.8,19.9,20,19.7,19.8,20.1,18.9,19.1,19.4,19.7,20.3,19.4
1920,18.8,19.8,20.2,20,20.3,20.5,19.2,19.1,19.6,19.7,19.7,19.3
1921,18.7,19.7,20.3,19.8,19.6,19.7,19.5,19.4,19.9,20.2,19.8,19
1922,18.9,19.9,20.8,19.9,20.4,20.6,19.6,19.1,19.6,19.5,19.7,18.8
1923,19.1,18.9,20.1,19.8,20.1,20.5,20.1,19.2,19.7,19.7,19.8,19.7
1924,18.8,19.8,20.8,19.6,20.2,20.1,19.1,19.1,20.2,19.4,19.4,17.9
1925,16.7,18.9,19.8,20.8,21.4,21.1,19.3,18.9,18.9,19.2,18.4,17.9
1926,18.3,20.6,21.4,21.2,20.5,19.3,18.6,20,20.3,20.5,19.8,19.4
1927,17.9,19.9,19.4,20.1,20.1,19.9,19,19.1,20.2,19.1,19.4,18.7
1928,18.4,18.9,19.9,18.7,19.3,20.3,19.3,18.4,19.1,18.5,19,18.8
1929,17.5,17.9,20,20.4,20,19.1,18.9,18.7,19.3,19.3,19.2,18
1930,17.8,18.4,19.3,19.4,20,19.4,19,18.6,19.4,19.1,19.1,19.2
1931,18.5,19.2,20.4,20.1,19.9,20.3,19.2,18.8,19,19.5,19.3,19
1932,17.5,19.2,20.4,19.8,20.3,20.5,18.8,19.4,19.9,19.9,19.6,18
1933,18.5,18.3,19.2,20.1,20.7,20,19.7,19.9,19.7,19.1,19.7,19.3
1934,17,18.1,19.9,20.5,19.9,20.1,19.6,20,20.7,19.9,20,18.7
1935,18,18.5,19.7,19.8,20,19.9,18.9,19,19.6,19.3,19.2,19
1936,18.3,19.8,20.5,19.5,19.9,19.9,18.9,18.9,19.6,19.8,20.1,19.2
1937,18.6,19.7,20.5,20.5,20.5,20.8,19.2,19.2,19.5,19.6,19.9,19.1
1938,18.7,19.4,20.4,20.3,20.4,20.6,19.3,18.8,19.5,20.2,20,19.5
1939,18.9,18.9,20.4,19.7,20.3,20.8,19.9,19.6,19.8,19.6,19.8,19.1
1940,18.5,19,20,20.4,20.9,20.8,19.7,19.6,20.1,19.8,19.7,18.7
1941,19.5,19.8,20.7,20.7,21.1,20.7,19.6,19.8,20.1,20.5,20.5,19.4
1942,18.1,19.3,20.6,20.8,20.8,20.6,19.4,18.6,20.3,20.2,20.3,18.5
1943,18,19,20.7,20.7,20.8,20.4,19.5,18.7,19.9,20,19.8,18.7
1944,18.1,19.3,20,21,21,20.7,20.1,19.8,19.7,20,20.4,19.6
1945,19.4,19.5,20.8,20.8,20.9,21.3,19.6,19.5,19.8,19.8,20.1,19.2
1946,18.7,19.3,20.9,20.5,20.8,20.4,19.4,19.2,19.2,19.6,20.5,19.5
1947,18.8,19.5,20.4,20.6,21.2,20.2,19.9,19.5,19.6,19.7,19.5,19
1948,17.9,18.9,20.6,19.9,20.7,20.2,19.5,19.4,19.5,20,19.7,19.6
1949,18.6,18.8,20.4,20.7,20.9,20.5,20.1,19.7,20.1,19.8,19.9,19
1950,18.4,19,20.4,21.1,20.7,20.4,19.6,19.3,19.4,19.1,19.9,19.3
1951,18.8,18.9,19.9,20,20.1,20.2,19.6,19,19.7,19.5,19.9,19.7
1952,19.4,19.7,19.9,19.9,20,20,19,18.5,19.2,19.5,19.8,19.5
1953,19.5,19.4,19.7,20.2,20.2,19.9,19.4,18.8,19.5,19.7,20,19.9
1954,19.1,19.6,19.7,19.4,20,19.8,18.6,18.5,19.4,19.2,19.8,19.5
1955,19.1,19.7,20.1,20.6,20.3,20.3,19.4,19.1,19.6,19.8,19.7,18.5
1956,18.5,19.3,19.8,20.5,20.2,20.2,18.6,18.8,19.7,19.4,19.7,18.9
1957,17.4,19.2,20.1,20.3,20.8,20.8,19.6,19.4,20,19.8,20.2,19.7
1958,19.7,19.7,20.5,20.3,20.6,20,18.8,19.1,19.7,20.1,20.8,19
1959,18.6,19.8,20.5,20.5,20.5,20.9,19.4,19.3,19.3,19.5,19.8,18.8
1960,18.8,19.9,19.9,19.5,20.5,20.2,19.7,19.5,19.9,20.1,20.2,19.7
1961,18.2,18.8,20.7,20.3,20.5,20.7,19.4,18.5,19.5,19.8,19.5,19.2
1962,19,19.1,20,20.6,20.3,19.9,19.6,19.6,19.5,19.9,20.3,18.8
1963,18.6,19.6,19.9,20.8,20,20.4,19.8,19.8,20.4,19.9,19.6,19
1964,18.7,19.7,20.6,20.6,20.5,20.5,19.6,19,19.6,19.8,20.1,19.4
1965,18,19.4,20.5,20.1,20.4,20.3,19.4,19.1,19.5,20,20.1,19
1966,18.6,19.7,20.9,20.7,20.9,20.4,19.6,19.5,19.8,19.6,20,19.4
1967,17.8,19.5,20.4,20.3,20.7,20.2,18.9,19.3,19.5,19.7,19.8,19
1968,18.3,19.3,20,20.3,20,20.5,20,20.2,20.1,19.5,19.7,19.3
1969,19.5,20.2,20.6,20.7,20.7,20.7,19.6,19.3,20.1,19.7,19.5,19.5
1970,19.9,20.2,21.2,20.8,20.7,20.7,19.5,19.8,19.5,19.9,19.9,19.1
1971,18,19.2,19.8,19.3,19.6,20,18.7,18.8,18.7,19,19.1,18
1972,18.5,18.2,19.5,19.8,20.1,20,20,19.3,19.7,19.5,19.7,19.2
1973,18.2,19.6,20.5,20.2,20.4,20.4,19.5,19.8,20.1,19.6,19.5,18.3
1974,17.4,18.7,20,19.7,20.4,20.6,19.4,19.4,19.6,19.7,19.2,18.3
1975,17,18.9,19.8,19.8,20,20.2,19,19.2,19.2,19.4,19.1,18.9
1976,17.6,18.2,19.4,19.7,19.6,19.8,19,18.7,19.5,19,19.2,18.4
1977,19.7,18.9,20.1,20.2,20,20.1,19.1,19.3,19.5,19.7,19.3,18.4
1978,19.4,19.8,19.9,19.7,20,20.1,18.8,18.7,19.7,19.1,19.3,18.4
1979,19.5,19,20.1,20.3,20.2,20.4,19.6,19.5,19.8,19.8,20.1,18.5
1980,19.4,19.5,19.9,20.5,20.1,20.6,19.5,19.4,20,20,20.4,18.2
1981,17,19.4,20.3,20.2,20.2,20.9,19.8,19.6,20.9,19.9,19.8,19.2
1982,17.2,19.1,18.2,20.1,20.3,20.3,19.1,19.1,20,19.8,19.5,18
1983,17,19.1,21.1,20.9,20.7,20.5,19.7,19.5,19.9,19.8,19.9,19
1984,18.5,18.9,20.5,20.2,20.2,20.2,19.1,19.7,20.1,19.9,19.8,19.5
1985,18.4,18.8,20.6,20.4,20.3,19.9,19.3,19.6,19.2,20,20.5,18.8
1986,17.2,19.4,20,20.3,20.5,20.2,18.9,19.2,19.6,19.5,19.2,17.5
1987,18.9,19.6,20.6,21.4,21.1,20.9,20.5,20.6,20.5,20.3,20.4,19.5
1988,17.7,19.8,21.6,20.6,20.9,20.6,20,19.2,20.1,20.2,19.8,17.4
1989,17.8,18.9,19.9,20.5,20.7,20.6,19.6,19.6,19.7,19.8,20.5,19.7
1990,18.1,18.5,20.2,20.4,20.7,20.6,19,19.9,19.8,20,20.3,19.5
1991,18.5,19.6,19.8,20.2,20.5,21.2,19.7,19.5,20,19.7,20.2,19.8
1992,17.9,19.3,20.4,20.3,20.2,20.3,19,19.4,19.8,19.9,19.9,20.4
1993,18.2,19.5,19.7,20.1,19.8,20.8,19.4,19.9,20,20.5,20.5,19.6
1994,18.7,19.3,20.4,20.5,21,20.7,19.2,19.5,20.2,20.1,20.1,18.4
1995,17.4,19.1,20.7,20.4,20.9,20.9,19.7,20,20.1,19.9,20.5,18.9
1996,19.4,19.3,19.8,20.5,21.2,21.2,19.9,20.1,19.9,20.1,20.2,19.7
1997,19.5,18.8,21.2,20.2,20.6,20.4,19.5,19.8,20.4,20.8,20.6,20
1998,18.7,20.6,21.9,21.5,21.6,21.2,20.2,19.7,20.2,20.4,20.9,19.9
1999,18.6,18.7,20.2,20.2,21,20.6,20.1,19.9,20,19.6,20.5,19.3
2000,19.1,18.9,20.4,20.4,20.7,20.8,19.4,19.7,19.8,19.7,20.3,19.3
2001,17.7,18.9,20.6,20.2,20.7,20.9,19.2,19.6,19.9,20.6,20.5,19
2002,18.4,19.3,19.9,20.6,21.1,20.7,19.7,19.8,20.1,19.6,19.9,19.4
2003,18.5,19.9,20,20.8,21.4,20.9,19.7,20,19.2,20.7,20.4,19.9
2004,18.6,19.8,21.1,20.3,21.1,20.3,19.8,19.6,20.1,20.4,20.2,20.6
2005,18.7,20.5,21.3,20.8,21.1,21.1,19.8,19.7,20.5,20.3,20.3,19.9
2006,18.9,19.8,20.3,20.8,20.6,21.5,20,20,20.3,20.2,20.1,19
2007,18.4,19.7,20.9,20.4,21.1,20.8,20,19.5,20.2,20.1,20.1,19.4
2008,17,19.2,20.2,20.2,20.6,20.3,19.1,19.3,19.9,19.3,20,18.7
2009,17.6,20.3,20.8,20.9,20.6,20.6,20,19.8,19.8,19.8,19.9,19.7
