1901,19.4,19.5,19.1,19.4,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1902,19.5,19.2,19.2,19.3,19.7,18.5,17.7,18.2,18.8,19.4,19.2,19.2
1903,19.7,19.7,19.9,19.7,19.6,18.2,17.7,18.2,18.8,19.4,19.2,19.2
1904,19.5,19.3,19.3,19.3,19.5,18.4,17.7,17.8,18.8,19.4,19.2,19.2
1905,19.7,19.8,20,19.9,19.9,18.3,17.7,18.3,18.8,19.4,19.2,19.2
1906,19.4,19.5,19.7,20.3,19.6,18.4,17.7,18.1,18.8,19.4,19.2,19.2
1907,19.3,19.6,19.5,19.5,19.7,18.4,17.7,18.5,18.8,19.4,19.2,19.2
1908,19.3,19.3,19.5,19.6,19.7,17.9,17.7,17.5,18.8,19.4,19.2,19.2
1909,19.5,19.6,19.6,19.8,19.7,19,17.7,18.8,18.8,19.4,19.2,19.2
1910,19.1,19.1,19,19,19.4,18.8,17.7,18,18.8,19.4,19.2,19.2
1911,19.3,19.3,19.8,19.9,19.8,18.7,17.7,18.2,18.8,19.4,19.2,19.2
1912,19.6,20,20.1,20.1,20.1,19.1,17.7,18.4,18.8,19.4,19.2,19.2
1913,19.4,19.2,19.3,19.5,19.5,18.1,17.7,18.1,18.8,19.4,19.2,19.2
1914,19.8,19.7,20,19.7,19.8,18.3,17.7,18.1,18.8,19.4,19.2,19.2
1915,19.5,19.6,19.6,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1916,19.5,19.6,19.5,19.3,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1917,19.5,19.6,19.4,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1918,19.5,19.6,19.7,19.4,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1919,19.5,19.6,19.7,19.9,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1920,19.5,19.6,19.7,19.4,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1921,19.5,19.6,19.5,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1922,19.5,19.6,19.5,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1923,19.5,19.6,19.4,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1924,19.5,19.6,19.3,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1925,19.5,19.6,19.3,19.5,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1926,19.5,19.6,19.6,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1927,19.5,19.6,19.4,19.7,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1928,19.5,19.6,19.2,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1929,19.5,19.6,19.3,19.5,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1930,19.5,19.6,19.7,19.3,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1931,19.5,19.6,19.8,19.6,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1932,19.5,19.6,19.7,19.9,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1933,19.5,19.6,20,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1934,19.5,19.6,19.7,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1935,19.5,19.6,19.6,19.7,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1936,19.5,19.6,19.5,19.5,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1937,19.5,19.6,19.9,20,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1938,19.5,19.6,19.7,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1939,19.5,19.6,19.5,19.8,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1940,19.5,19.6,19.8,19.7,19.7,18.5,17.7,18.1,18.8,19.4,19.2,19.2
1941,20,20.4,20.7,20.7,20.7,18.7,17,18.1,19.3,20.3,19.2,19.7
1942,20,20.2,20.4,20.3,20.1,18.6,16.8,18.1,19.4,19.4,19.2,19.1
1943,19.5,19.5,19.6,19.5,19.5,16.7,16.1,18.1,19.2,19.8,19.2,19.5
1944,19.7,19.5,19.8,20,20.2,19.2,17.7,18.1,19.8,19.3,19.2,19.7
1945,20.2,19.7,19.7,19.5,20.1,18.5,18,18.1,19.5,19.3,19.2,19.2
1946,20.4,19.9,19.4,20.2,19.6,18.1,17,18.1,18.8,19,19.2,19.2
1947,19.9,19.4,19.7,20.1,20.6,20,18.8,19.6,19.6,20.6,19.2,19.2
1948,20.1,19.3,19.9,19.6,19.8,18.4,17.6,18.5,19.6,20.3,19.2,19.4
1949,20.1,19.9,20.1,20.6,21,19.4,18.4,18.4,19.5,19.6,19.2,18.9
1950,19.9,19.6,20.2,19.8,20.1,19.4,17.6,17.7,18.5,18.9,19.2,18.9
1951,19.6,19.6,20,20.7,19.7,18.9,17.9,18.7,19.1,19.7,19.8,19.9
1952,20.1,20.2,20.4,19,20,18.9,17.3,17.2,18.9,19.6,19.7,19.7
1953,19.8,19.7,20.2,20.6,20.1,18.9,17.8,18,19,19.5,19.6,20
1954,20.1,19.4,20.2,20.5,19.9,18.7,17.4,18.3,19.2,19.9,19.6,19.5
1955,19.7,20.3,20,20.2,20.1,19,18.2,18.4,18.9,19.8,19.9,18.9
1956,19.9,19.9,20.4,20.5,20.3,19.1,17.3,18.1,19.5,19.6,19.8,19.3
1957,19.8,20.3,20,20.6,20.8,19.2,18.3,19.1,19.3,19.6,20,19.8
1958,20.7,20.3,20.5,21.1,20.1,18,17.8,18.3,19.5,19.8,19.7,20
1959,19.8,20.1,20.3,20.2,20,18.6,17.9,18,19.1,19.6,19.8,19.4
1960,19.8,19.3,20,20.3,19.7,18.8,18.2,18.5,19,19.9,19.9,19.9
1961,19.4,19.3,20.1,19.9,19.8,17.6,17.4,17.5,18.4,19.1,18.9,19
1962,19.2,19.4,19.6,19.9,19.9,18.2,17.8,17.8,18.8,19.4,19.5,19.3
1963,19.1,19.7,19.3,19.8,19.6,18.9,17.8,17.9,18.4,19.2,18.9,19
1964,20.1,19.6,19.6,19.7,20.3,18.4,17.6,17.9,18.6,19.3,19.4,19
1965,19.5,19.4,20.2,19.9,19.9,18.6,17.5,18.1,18.5,19.6,19.6,19.3
1966,20.1,19.7,20.4,20.2,20.5,19.5,18.1,18.9,19.2,19.8,19.5,19.3
1967,19.3,19.8,19.4,20.3,19.9,19,17.4,18,18.8,19.6,19.5,19.6
1968,19.2,19.7,19.4,20.2,19.7,18.5,18.1,19,18.9,19.6,19.6,19.2
1969,19.2,20.2,20.7,20.7,20.6,18.8,18,18.6,19.4,19.7,19.6,19.4
1970,19.6,20.5,20.3,20.5,20,18.3,17.3,17.7,18.4,19.5,19.3,19.3
1971,19.7,19.5,19.9,20,19.1,19.3,18.3,18.4,19.2,19.6,19.2,19
1972,19.6,19.7,19.4,19.1,19.5,18,18.2,18.3,18.9,19.7,19.5,19.9
1973,19.9,20.8,20.1,19.6,19.8,18.5,18.2,17.7,18.6,19,18.8,18.7
1974,18.2,18.6,19,19.3,19,18.6,17.4,17.7,18,19.1,18.6,18.2
1975,18.7,19,19.5,19.6,19.1,18.3,17.2,17.6,18.7,18.5,18.4,18.2
1976,18.7,18.4,18.8,19.1,19,17.5,16.5,16.8,18.3,18.5,18.2,18.3
1977,18.8,18.9,19.5,19.7,19.3,17.6,17.1,17.7,18.2,18.9,18.8,18.8
1978,19.1,19.4,19.5,19.2,18.9,17.2,16.7,17.6,18.4,19,18.5,19.1
1979,19.7,19.9,19.4,19.6,19.7,18.1,18.2,18.5,19,19.4,19.7,19.7
1980,19.2,19.3,19.5,20.1,19.8,17.8,17.2,17.3,18.8,18.9,19.6,18.9
1981,19.3,19.7,19.4,20.5,20,18.2,18,18.6,19.5,19.7,18.7,19.4
1982,19.3,19.3,19.6,19.6,19.6,18.4,16.6,17.7,18.6,19,18.9,19.9
1983,20,20.5,20,20.8,20.5,18.3,17.7,17.5,19.9,19.7,19.9,19.3
1984,19.5,20.8,20,20.3,20.1,19.3,18,18.8,19.8,20.2,19.4,19.4
1985,19.4,19.6,19.9,20.2,18.9,18.7,18.2,18.5,19,19.6,19.4,19.6
1986,19.7,19.4,19.5,20.2,20.1,18.7,18,18.1,19,19.1,19.3,19.2
1987,20,19.9,20.5,20.7,20.4,19.1,18.9,18.3,19.1,20,19.4,19.6
1988,19.6,19.9,20,19.9,19.8,18.8,17.6,18.5,19.1,19,18.9,18.6
1989,19.4,19.1,18.8,20,19,18.8,17.8,18.6,19.3,19.3,19.5,19.3
1990,19.5,19.5,19.8,18.9,19.5,19.1,17.7,18.1,18.3,20.2,19.2,19.5
1991,19.4,20,20.4,20.3,20,19,18.5,18.2,19.2,18.9,19.5,19.5
1992,19.1,18.8,20.5,20.7,19.7,18,17.3,18.1,18.4,19.6,19.3,19
1993,19.3,18.9,19.8,19.6,19.8,18.5,18.4,18.1,18.3,19.2,19.8,19.4
1994,19.6,20.1,19.8,20.2,19.8,18.3,18.3,18,19.4,19.4,19.5,19.1
1995,19.7,18.9,19.5,20.6,19.9,19,18.3,18.7,19,20,19.7,19
1996,19.6,19.6,20.8,19.7,19.2,18.7,18.1,18.9,18.9,19.8,19,19.2
1997,19.7,20.3,19.9,20.5,20.3,18.9,18.9,19.6,19.9,20,20.6,19.6
1998,20.5,21.3,20.6,20.3,19.5,20.2,19.4,19.1,20,19.7,19.9,19.7
1999,19.5,19.7,19.9,19.8,19.9,19.2,18.6,18.1,18,19.2,20.1,19.2
2000,19.7,19,20,20,20.4,18.6,18.6,18.1,18.9,19.2,18.8,19.2
2001,19.1,20.3,20.5,19,20.1,19.4,18.6,17.4,19.4,19.5,19.3,20
2002,19.6,19.9,20.6,20.2,21.1,19.2,18.7,18.9,18.9,19.6,19.6,19.9
2003,19.8,19.6,19.9,20.1,20.2,18.5,18.9,19,19.4,19.5,20,19.5
2004,20.1,19.7,19.8,20.1,19.7,18.6,18,18.1,18.8,19.4,20,19.4
2005,20.3,20.8,20.5,20.9,19.9,18.2,17.9,18.6,19.2,19.5,19.4,20.2
2006,20.6,19.9,19.2,20.3,20.2,19.3,18.5,18.5,18.8,19.8,19.2,18.5
2007,20.1,19.8,19.7,19.6,19.7,19,17.7,18.6,19,19.4,19.5,19.4
2008,19.2,19.4,19.9,19.6,20.3,18.6,17.7,18.1,18.9,19.7,19.3,19.4
2009,19.5,20.4,20,20.4,20.6,18.9,17.8,18.2,19,19.9,19.4,19.7
