1901,19.4,19.7,19.9,20.4,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1902,19.5,19.5,20,20.3,20.6,20.1,19.7,19.9,19.8,19.8,19.8,19.7
1903,19.7,19.8,20.2,20.4,20.5,19.8,19.7,19.9,19.8,19.8,19.8,19.7
1904,19.5,19.6,19.9,20.3,20.4,20,19.7,19.5,19.8,19.8,19.8,19.7
1905,19.7,19.9,20.4,20.7,20.8,20,19.7,20,19.8,19.8,19.8,19.7
1906,19.4,19.7,20.4,20.8,20.5,20,19.7,19.8,19.8,19.8,19.8,19.7
1907,19.4,19.8,20.2,20.5,20.6,20,19.7,20.1,19.8,19.8,19.8,19.7
1908,19.4,19.6,20.1,20.5,20.6,19.6,19.7,19.3,19.8,19.8,19.8,19.7
1909,19.5,19.8,20.3,20.7,20.6,20.5,19.7,20.3,19.8,19.8,19.8,19.7
1910,19.2,19.4,19.8,20.1,20.3,20.4,19.7,19.8,19.8,19.8,19.8,19.7
1911,19.3,19.6,20.3,20.5,20.7,20.2,19.7,19.9,19.8,19.8,19.8,19.7
1912,19.6,20.1,20.6,20.9,20.9,20.5,19.7,20,19.8,19.8,19.8,19.7
1913,19.4,19.5,20,20.3,20.4,19.8,19.7,19.8,19.8,19.8,19.8,19.7
1914,19.8,19.8,20.4,20.7,20.7,20,19.7,19.8,19.8,19.8,19.8,19.7
1915,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1916,19.5,19.8,20.2,20.4,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1917,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1918,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1919,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1920,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1921,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1922,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1923,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1924,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1925,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1926,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1927,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1928,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1929,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1930,19.5,19.8,20.2,20.4,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1931,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1932,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1933,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1934,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1935,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1936,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1937,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1938,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1939,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1940,19.5,19.8,20.2,20.5,20.6,20.1,19.7,19.8,19.8,19.8,19.8,19.7
1941,21.6,21.4,22.3,21.7,21.5,20.5,19.3,19.8,20.7,20.9,19.8,19.7
1942,20.9,21.3,21.9,21.3,21,21.2,20.6,19.8,20.5,20.4,19.8,19.8
1943,20.3,20.1,20.9,20.4,20.6,19.9,19.8,19.8,20.4,20.2,19.8,20.3
1944,20.3,20.4,20.4,20.6,20.9,21.2,21,19.8,20.8,20,19.8,20
1945,21,20.6,21.7,20.2,20.8,20.5,20.4,19.8,20.4,20,19.8,19.8
1946,20.9,20.8,21.3,21.2,20.7,20.8,20.2,19.8,20.4,20,19.8,19.9
1947,20.5,19.9,20.7,20.7,21.4,21.4,20.5,20.7,20.5,20.2,19.8,20
1948,20,19.9,20.7,20,20.7,20.2,19.7,20,20.8,20.1,19.8,19.4
1949,21.1,20.5,21.3,21.4,21.4,20.6,20.4,19.8,20.6,20,19.8,18.3
1950,20,20.3,20.8,20.4,20.6,21,19.8,19,20,19.3,19.8,19.3
1951,20.8,20.2,20.8,21.3,20.8,20.6,20.4,20.2,20.3,19.9,19.7,20.3
1952,21.4,20.3,21.4,21.1,20.9,20,20.3,18.8,20.1,20.1,19.5,19.9
1953,19.8,19.7,21.1,20.1,21,20.3,20.5,19,20,20.3,19.9,19.8
1954,19.7,19.1,20.6,20.6,20.9,20,19.8,19.9,20.2,20,19.9,19.8
1955,19.6,19.8,20.5,20.2,21,19.9,20,19.7,20,20.1,20.1,19.8
1956,19.5,19.6,20.1,20.3,20.9,20.1,19.7,19.4,20.3,19.8,20.4,19.3
1957,19.1,19.3,19.9,19.8,21.2,20.5,20.3,19.5,19.6,20.3,20.4,19.7
1958,20.5,20,20.8,20.3,21.2,20,19.7,20.4,20.8,20.1,20.2,19.8
1959,19.9,20,21.3,19.8,21.1,20.6,20.3,20.5,20,20,20.4,20
1960,19.9,19.2,20,20,20.8,20,20.2,19.7,20,19.8,20.2,19.9
1961,19.5,18.8,19.8,20,21.4,19.5,18.7,19.7,19.6,19.7,19.6,19.7
1962,19,19.3,19.6,20.8,20.8,20.9,20.2,20.2,20.2,19.6,20.3,19.5
1963,19,19.5,20,20.6,20.7,20.3,20,20,20.7,19.2,19.8,19.9
1964,19.5,19.5,20.5,20.4,20.8,19.7,19.3,19.5,19.8,19.4,19.2,19.1
1965,19.2,18.7,19.5,20,20.6,20.3,19.7,20.1,20,19.9,20,19.5
1966,19.9,19.2,20.3,20.3,20.9,19.8,19,19.9,19.8,20.1,20.2,19.7
1967,19.1,20.1,19.7,20.7,20.1,20.1,19.2,19.1,19.6,19.7,19.6,19.9
1968,19.3,19.3,19.5,20.5,20.8,19.6,19.7,20,19.9,19.2,19.9,19.6
1969,18.8,19.8,20.6,20.8,21.5,20.3,19.6,20.1,19.8,19.9,20.3,19.8
1970,19.6,20.2,20.7,21.1,21.2,19.4,18.9,19.5,19.6,20.2,20.2,19.4
1971,18.7,19.3,19.9,20.1,20.1,20.2,19.5,19.2,18.9,19.8,19.3,18.7
1972,19.5,19.1,19.7,20.2,20.5,19.7,20.3,19.9,20.1,19.8,19.8,20.1
1973,20.3,20.7,20.7,20.1,20.2,20.3,19.9,19.6,19.7,19.6,19.7,19.8
1974,19,18.6,19.1,20,19.7,19.5,19.2,19.4,19.3,19.6,19.3,18.9
1975,18.5,19,19.8,20.1,20,19.5,19,19.3,18.5,19,19,19
1976,18.5,18.6,19.1,19.6,19.6,19,18.9,19,20.2,19.3,19,19.2
1977,19.5,19.7,20.4,20.7,20.5,19.7,19.4,19.6,19.9,20,19.9,19.6
1978,18.7,19.8,20.1,19.5,20.1,19.2,19.1,19.5,19.5,19.3,19.3,19.8
1979,19.9,19.7,20.2,20.5,20.3,20.4,20.3,19.9,19.9,20,20.2,19.8
1980,19.9,19.3,19.4,20.8,21.1,19.3,19.1,19.7,19.8,19.3,20,19.1
1981,19.4,20.4,20.4,20.6,20.6,20.4,20.1,20,20.1,20.1,19.4,20.2
1982,19.9,20,20.3,20.9,20.3,20,19.3,19.7,20,19.8,20.3,20.3
1983,20.4,21,21.8,21.7,21.2,20.4,20.1,19.6,20.1,19.9,19.5,19.6
1984,19.3,20.6,20.4,20.3,20.5,20.3,19.4,20,19.7,20,19.6,19.6
1985,20,19.9,20.6,19.9,20.6,20.3,19.5,19.6,19.3,19.9,19.8,20
1986,20.2,20.4,19.5,20.8,21.1,20.5,20,20.2,19.7,19.7,20,19.7
1987,20.2,19.6,21.1,21.2,21.6,21,20.8,20.4,20.3,20.2,20.1,20.7
1988,20,21.3,20.9,20.8,21.1,20.5,20.3,20.2,19.8,19.7,19.8,19.4
1989,17.3,19.5,20.2,20.7,20.1,20.2,20.3,19.9,19.3,20,20.1,19.8
1990,20.9,20.4,21.4,20.9,21,20.3,20.2,20.1,20,20.1,20.3,20.3
1991,20,19.9,20.9,21,20.7,20.5,20.1,19.5,20.3,20,20.8,19.8
1992,19.4,20,20.8,21.2,19.8,19.7,19.8,20.7,19.4,19.4,20.5,19.7
1993,18.5,18.5,20.8,20,20.7,19.7,19.9,20.1,19.2,19.4,20.1,20
1994,19.3,19.6,20.6,21.5,20.7,20,19.5,19.5,19.3,19.5,19.3,19.9
1995,19.8,19.5,20.2,21.4,20.7,20.4,20.1,20,19.6,21.1,20.9,20.5
1996,19.3,19.2,19.9,20.2,19.9,20.3,19.8,19.8,19.5,20.6,20.3,19.8
1997,20.1,19.7,21.4,21.1,20.7,20.6,20.7,21.2,21.2,20.8,21.2,20.2
1998,20.2,21.1,21.2,21.2,21,21,20.4,20.1,19.9,19.3,21,20
1999,19.2,19.3,20.6,20.3,20.1,20,19.6,19.3,19.3,19.3,20.3,19.8
2000,20.1,18.7,20.4,20.7,21.2,19.9,19.5,19.8,19.6,19.7,19.8,19.3
2001,19,21.6,20,20.4,20.7,20.5,20.2,19.4,20.3,19.6,19.8,20.5
2002,19,20.4,20.7,21,21.9,20.9,20.4,20.1,19.8,19,20.1,20.3
2003,19.4,20.1,20.1,20.7,21.7,19.7,20,20.4,20.3,19.9,20.5,20.7
2004,19.9,19.3,20.3,20.8,20.9,19.8,20.1,19.9,19.1,19.9,20.7,20.4
2005,19.2,21,20.6,20.7,20.5,20.7,19.8,20.8,20.4,19.8,19.8,20.7
2006,20.6,20.2,20,21,21.4,20.6,20.3,20,19.9,20.5,19.8,19.4
2007,19,20.6,20.2,19.9,20.7,20.4,19.8,20.5,19.8,19.6,20.9,20
2008,19.5,19,20.7,20,20.4,20.3,19.7,19.9,20,20.2,20.1,20
2009,19.5,20.5,20.8,21.3,21.9,20.5,19.9,20.1,20.1,21,19.8,20.2
