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