1901,20.6,21,21.5,20.9,20.3,18.5,18.5,19.1,20.7,21.3,20.6,20.3
1902,20.7,20.6,21.1,21.3,20.8,19.3,18.1,17.4,20.5,20.7,20.7,20.9
1903,20.7,20.7,21.2,21.3,19.9,18.7,18.3,18,20,20,19.9,20.5
1904,19.9,20.3,20.8,21.2,19.4,17.6,17.7,17.7,19.2,19.9,20.2,20.2
1905,20.1,20.5,20.6,20.6,20.7,18.8,17.7,18,19.6,21.5,20.8,21
1906,20.2,20.4,21,21.1,20.4,16.9,17.6,18.6,19.5,20.5,20.8,20.9
1907,20.4,20.5,21.4,20.8,19.7,18,16.7,17.6,19.9,20.5,20.7,20.9
1908,20.9,21.3,21.6,21.4,20.2,18.1,18.2,17,20.3,19.5,20.2,21
1909,21.2,21.1,21.2,21.6,19.1,18.1,17.3,18,20,20.3,20.7,20.7
1910,20.7,21,20.8,21.5,19,18.5,18.4,18.5,20.3,20.7,20.3,20.7
1911,20.1,21.1,20.6,20.7,19.9,17.6,17.1,18,19.5,20.3,20.7,20.8
1912,20.5,20.3,21.1,21.3,20,18.7,16.2,18.6,19.2,20.3,20,20.3
1913,20.5,20.3,21.1,21.5,19.8,18.3,18.2,18,19.1,20.9,21.5,21.1
1914,21.2,20.9,21.4,21.6,20,19.4,19.2,17.9,20.3,20.9,21.4,21.4
1915,21.2,19.9,21.7,21,22.1,17.3,18,19.1,19.7,21.4,20.6,20.7
1916,20.6,20.9,21,21.5,20.2,16.4,17.1,18.8,18.5,20.8,20.9,20.1
1917,19.8,19.4,20.5,20.5,17.7,16.4,16.8,17.4,19.9,20.1,20.4,20.3
1918,19.9,19.9,21,21.1,20.1,17.9,17.1,17.6,19.9,20.7,21.1,21.1
1919,21.3,21.8,22.5,21.7,21.3,19.2,18.4,16.8,19.6,20.9,20.6,20.3
1920,20.5,20.7,20.9,21.1,19.1,16.6,15.7,17.1,19.5,20.9,20.5,19.9
1921,20.1,20.5,20.7,20.6,20.1,15.7,15.3,17.9,19.2,20.2,19.4,20.2
1922,20,20.1,20.5,20.3,18.9,16.6,15.9,17.3,18.9,19.1,19.7,19.5
1923,19.6,19.6,19.9,20,17.7,17,15.4,17.4,19.3,19.7,19.8,20.4
1924,20.2,20,20.6,20.3,18.2,17,16,15.4,18.6,19,19.8,19.7
1925,19.5,19.6,19.6,20.8,18.9,16.4,16.1,17.8,18.7,19.3,19.6,20
1926,20,20.7,21,20.5,18.5,17.8,16.1,17.8,20.2,20.1,20.5,19.8
1927,19.4,19.8,20,20.2,18.6,15.9,15.4,17.2,18.9,19.8,20.5,20
1928,20.3,20.4,20.6,21,19.1,17.6,16,15.8,18.4,19.6,20.1,19.5
1929,20.2,19.8,20.1,20,17.7,16.9,16.5,17.3,19.1,19.9,19.7,19.3
1930,19.9,19.8,20.7,20.6,19.7,18,16.5,18.1,19.4,19.8,19.8,20.4
1931,20.7,20.5,20.5,20.8,18.5,16.6,16.4,17.3,18.7,19.5,19.6,19.5
1932,19.5,20,20.1,21.3,19,17.7,17.5,17,19.1,19.5,20.2,19.8
1933,19.8,20,20.6,20,19.5,16,15.7,17.3,19.5,19.9,19.8,19.8
1934,19.7,19.3,19.6,19.9,18.7,17.3,16.6,17.5,18.6,19,19.9,19.8
1935,20,19.5,20.3,19.5,18.6,17.2,16.8,17.6,19.3,19.9,19.9,20.5
1936,19.9,20,20.9,21,20.1,17.8,16.5,17.3,20,20.9,20,20.1
1937,20.3,20.7,20.7,20,18.7,17.6,16.7,18.1,19.4,19.6,20.5,20.6
1938,20,20.9,20.1,19.9,19.4,17.6,17.4,17.2,19,19,19.8,19.7
1939,20.1,19.8,20.4,20.2,19.9,17.3,15.9,16.9,18.7,20.2,20.1,20.2
1940,20,20.4,20.6,20.5,19.8,17.2,17.6,17.2,19,20.1,19.6,20.4
1941,20.4,20.9,21.1,21.6,19.8,17.6,17.6,18.5,17.8,20.4,20.1,20.9
1942,21.1,20.2,21.2,21.2,19.2,16.4,15.4,17.9,19.9,19.6,20.1,19.9
1943,19.7,20,20.1,20.1,19.8,17.6,16.8,16,18.5,20.3,20.1,19.7
1944,20.4,20.3,20.6,20.1,19.3,17.7,16.7,18.4,19.8,20.3,19.8,20.7
1945,20.2,19.7,20.6,20.5,17.8,16.2,16.6,18.6,19.9,19.9,19.8,19.7
1946,19.9,20.2,20.8,20.7,19.8,17.5,16.6,17.3,19.7,20,20.8,20.3
1947,20.2,20.1,20.2,20.7,19.1,17.8,16.1,17.3,19.3,19.6,20.2,19.6
1948,20.1,20.5,20.3,20.6,19.5,18.1,17.5,17.5,19.2,19.8,19.8,20
1949,19.6,19.5,20.6,19.9,18.3,17.8,16.1,17.2,19.9,20,20.5,20.1
1950,19.8,20,19.5,20.1,18.9,17.3,16.4,16.8,20,20.1,20,20.3
1951,19.8,20.3,20.7,19.5,18.1,16.8,16,17.5,19.9,20.8,20.9,20.3
1952,21,20.4,20.5,20.1,19.4,16.5,16.6,17.8,19.4,20.3,20.2,19.6
1953,20.8,20.7,20.5,20.3,20,17.4,16,18.5,19.3,19.8,20.7,20
1954,20.4,20.4,20.5,21.7,19.6,18.2,16.6,18,20,21.1,19.9,20.5
1955,19.9,20.1,21.1,20.5,19.2,17.7,15.9,18,20.1,20.2,20,20.3
1956,19.6,19.6,20.6,19.9,18.6,16.2,16.6,16.7,19.2,19.6,19.9,20.4
1957,19.1,20,19.6,20.2,20.4,18.4,15.9,18.6,19,20.9,20.4,21
1958,20.5,21.1,21,20.5,20.1,18.3,17.7,17.3,19.7,20.5,20.5,21.4
1959,19.8,20.5,20.2,21.3,20,17.3,17,17.7,19.5,20.5,20,21.2
1960,19.8,20,20.2,20.8,18.6,17,16.5,17.4,19.9,20.6,20.1,19.7
1961,20.4,20.5,21.4,21.5,20.2,17.5,17.4,19.4,21.4,20.6,21,20.3
1962,20.5,21,21.2,20.9,19.9,17.3,16.7,18.8,21.1,20.3,20.9,20.6
1963,20.7,20.2,20.6,20.9,19.6,17.4,17.3,19.1,21.2,22.3,21,21.1
1964,20.8,20.8,20.7,21.1,19.3,17.4,17.1,19.4,20.5,19.7,20.4,20.2
1965,20.2,20.1,19.9,20.3,20.1,18.2,17.8,18.9,20.9,20.9,20.9,20.9
1966,20.8,20.5,21.3,21.2,20.5,18.4,18.3,18.4,19.8,21.1,20.8,21.2
1967,20.7,20.3,20.7,20.3,19.4,17.2,17,18.3,20.4,20.7,20.3,20.8
1968,20,20,20.4,20.1,17.7,16.7,16.8,18.1,18.8,20.1,20.6,20
1969,20.6,20.8,21.1,21.3,20.1,18.1,17,18,20.5,20.5,21.3,20.2
1970,20.8,21.2,21.5,21.7,19.8,18,17.1,18.2,19.9,21,21.1,21.4
1971,21.2,19.6,20.4,20,18.7,15.9,15.8,17.1,18.8,19.2,19.8,20.7
1972,19.7,19.8,19.8,19.7,19.1,17,16.2,17.1,19.2,20.3,20.7,20.8
1973,21.2,20.8,21.4,21.3,18.5,16.9,14,16.7,19,21,20.8,20.1
1974,19.8,20.2,19.7,20.1,18.2,16.6,15.1,16.7,18.6,19.6,19.5,19.6
1975,19,19.1,19.5,19.8,18.7,17.8,14.4,16.1,19.5,19.8,19.5,19.8
1976,19.8,19.6,20.3,20,18.6,16.1,16.3,19.1,18.5,19.7,19.5,20.1
1977,19.8,19.2,20.7,20,17.8,16.9,17,17.2,18.8,19.5,19.9,20.3
1978,20.2,20.5,20.6,20.8,19,16.8,17.2,16.1,18.7,20.4,20.4,20.2
1979,20,20.5,20.8,20.7,19,16.3,16.8,17.7,18.4,20.4,20.1,20.2
1980,20.1,19.9,20.8,21.2,19.9,17.6,16.8,17.5,19,20.6,19.8,20.1
1981,19.9,20.3,20.5,21.3,20,16,14.8,16.5,17.2,19.8,20,20.6
1982,19.7,20.1,20.7,20.7,19.3,17.8,17.5,17.5,18.5,20.3,20.3,20.1
1983,20.7,21.1,21,22.1,21,19.1,17.5,16,18.8,19.1,19.7,19.5
1984,20.1,19.9,20.7,20,19.6,17.1,17.1,17,18.7,20.1,20.4,20.4
1985,19.5,20.3,20.9,20.6,19.8,16.6,16.8,17.3,19.4,20,20.3,21.6
1986,20.1,20.2,20.7,21.2,20.1,17.2,17,17.8,18.7,19.4,20.7,20.6
1987,20.7,20.7,20.5,21.9,20.1,18.1,18.9,17.5,20,21.4,21,21.1
1988,20.8,20.8,21.3,21.3,19.8,17.3,16.5,17.9,20.3,20.5,20.2,20.3
1989,20,20.2,20.4,20.7,18.9,17.5,16.7,17.8,18.6,20.1,20.5,19.9
1990,20.8,20.4,21.2,21.5,19.6,18.1,16.7,18.1,18.9,20.8,20.8,20.7
1991,20.5,21.2,21.6,20.9,20.2,18.3,17.1,17.6,19.8,19.9,20.6,20.6
1992,20.4,20.3,21.5,20.9,20.9,18.7,16.7,17.7,18.7,20,19.9,20
1993,20.7,20,20.8,21.5,19.8,17.8,17.2,17.3,19.3,20.8,20.7,20.6
1994,20.2,20.4,20.5,21,20.4,18.5,17.4,18,20.1,20.9,21.2,20.3
1995,20.5,20.6,21.7,20.7,19.6,17.9,18.1,18.7,20.8,21.3,20.6,20.7
1996,20.7,21.1,20.3,20.7,19.6,17.2,17.4,17.8,20.2,20.6,20.3,20.6
1997,20.1,20.5,20.6,21.4,19.9,18.6,18.1,19.1,20.6,21.9,21.9,21.4
1998,21.7,22,21.8,22.6,20.3,18.5,18.7,19.2,20.3,21.3,20.6,21.2
1999,21.3,21.2,21.2,21.1,19.4,18.4,17.5,19.1,20.2,21.3,20.7,20.9
2000,20.9,20.7,20.9,21.1,20.4,18.8,17.3,19.2,19.4,20.8,20.5,20.7
2001,20.5,21.1,21,21.5,20.3,17.4,18.3,19.1,20.4,20.6,20.7,20.5
2002,20.6,21.1,20.9,21.6,20.5,18.1,18.5,19.4,20.3,21.2,21.2,21.1
2003,21.3,21.1,21.1,21.3,20.2,18.7,17.9,18.3,20.1,20.8,20.5,21.8
2004,20.8,20.8,21.7,22,19.9,18.2,17.9,18.2,20.2,21.1,21,21.5
2005,22.1,21.4,21.3,22,20.2,18.3,18.1,19.4,19.6,22,22.7,20.9
2006,21.2,21.1,21.3,20.8,19.3,18.1,19.1,19.2,20.4,21.3,21,21.2
2007,21.5,20.8,21.2,21.6,21.1,18.2,18.3,17.6,21.2,22,20.9,22.1
2008,20.1,20.8,21,20.5,19,17.6,18.2,19.4,20.6,21.7,20.1,20.9
2009,20.6,20.7,20.8,20.8,19.9,18,18.1,18.5,21.4,21.4,21.7,20.8
