1901,20,20.5,20.1,20.1,19.8,18.8,18.3,19.9,20.4,20.2,20.2,20
1902,19.9,19.8,20.2,20,19.8,18.6,18.9,19.5,20.4,20.1,20.7,20.3
1903,20.3,21.2,20.2,19.5,19,18.3,18.2,19.1,20.2,19.7,19.8,19.1
1904,19.3,19.5,19.5,19.5,18.8,18.8,18,19.4,20,19.7,20.5,20
1905,19.9,20.5,19.7,19.9,19.5,19.2,18.6,19.4,20,20.3,20.5,19.8
1906,20,20.3,20.1,20.2,19.4,18.2,18.2,19.2,20.3,19.5,20.5,19.3
1907,19.6,19.3,20.3,19.5,19.3,18.7,18,19.3,20.2,19.9,20.5,20.2
1908,20.1,19.9,20.2,20,19.6,19.1,18,19,19.8,19.3,20,19.7
1909,19.5,19.6,20.1,19.3,19.6,17.9,17.9,18.9,20.1,19.9,20,19.6
1910,19.1,19.5,19.1,20,18.9,18.8,18.1,19.3,20,19.5,20.5,19.6
1911,19.4,20.5,19.2,20.1,19.2,18.5,18.6,19.6,20.5,20.3,20.5,20.7
1912,21.1,21.1,20.6,20.3,19.9,19.1,18.1,19.5,20,19.8,19.7,19.8
1913,19.9,20.2,20.1,19.4,19,18.4,18.5,19.1,19.6,19.8,20.6,20.3
1914,19.9,20.8,20.5,19.9,20,19.1,18.6,19.8,20,19.5,20.1,20.6
1915,20.9,20.8,21.4,21.1,20.2,18.6,18.6,19.8,19.8,20,20,20.5
1916,20.3,20.4,20.3,20.4,19.2,17.2,16.9,18.3,20.1,19.4,19.2,20
1917,20,20,20.6,20,19.1,18.6,17.9,18.9,19.3,19.5,20.4,19
1918,20.2,19.9,20.9,19.7,17.8,20.3,18.8,21.2,20.8,20.4,21,20.9
1919,20.9,21.3,21,20.3,19.7,19.4,18.6,19.8,20.4,20.7,20.5,20.1
1920,20,20,20.1,20.4,19.2,18.9,18.9,19.3,20.1,20,20.6,20.2
1921,20.1,19.9,20.4,19.6,19.4,16.5,16.9,18.6,19.5,19.8,20.8,20.9
1922,20.5,20.6,20.5,20.8,19.8,18.7,19,19.2,20.5,20.1,21,20
1923,19.7,20.2,20.3,19.7,19.7,19.1,18.8,19.9,20.8,20.2,21.3,20.4
1924,21.3,20.5,20.6,20.4,19.6,18.8,18.4,19.3,20,20.1,20.4,19.9
1925,19.8,19.4,19.7,20.1,20.2,19.2,18.3,20.5,20.1,20.9,21.1,21
1926,21.6,21.3,20.5,20.3,19.9,19.4,18.5,20,21.1,21.8,22.4,21.7
1927,21.3,21.1,21.3,20.3,19.7,19,18.5,20,21.4,21.9,22.3,22
1928,21.5,21.7,20.5,20.3,20.5,19.2,18.5,20,21.1,21.1,22.4,21.7
1929,21.6,21.3,21.2,20.3,20,19.2,18.5,19.7,20.8,21.1,21.9,21.6
1930,20.9,20.9,20.5,20.3,19.5,19.2,18.5,19.4,20.2,21.3,21.8,22.1
1931,21.5,21.4,20.6,20.6,20.1,19.2,18.4,20.1,20.8,21.4,22.5,21.3
1932,21,21.3,20.9,20.3,18.9,18.3,19,19.9,21,21.2,21.5,21.2
1933,21.2,20.9,21.1,20.2,19.7,18.9,18.4,19.7,21.1,20.7,21.4,21.3
1934,20.6,20.2,21.1,20.2,19.9,19.3,18.5,19.3,20.2,21.3,21.6,21.5
1935,20.9,21,21.1,20.1,19.5,18.9,18.5,19.4,20.8,21.3,21.7,21.4
1936,21.2,21.4,20.5,20.3,20.3,18.8,18.5,19.7,21,21.3,21.5,21.3
1937,21,20.4,21.1,21.3,20.5,20.2,20.1,21.3,21.7,21.3,22.5,21.7
1938,21.5,21.1,21.2,21.5,20.5,19.5,19.6,20.8,21.8,21,22.2,21.4
1939,21,21,21.2,22.2,20.7,20.7,20.1,19.8,21.1,22,21.7,21.1
1940,21.2,22.2,21.9,21.3,21.1,20.3,20,20.5,22.2,22.5,23,21.3
1941,21.9,21.8,22.6,21.7,21.8,19.6,19.9,21.3,22.3,23.1,23.9,22.9
1942,22.6,23.1,22.3,22.3,21.4,21.2,20.8,22.4,22.3,23.2,23.8,21.6
1943,23.1,22.2,22.4,22.7,21.9,21.1,20.9,21.6,21.7,22.6,23.8,22.3
1944,22.4,21.4,21,22.7,22.3,21.5,19.9,21.4,23,22.8,22.6,22.7
1945,22.5,22,22.3,22.7,21.9,18.8,20.6,21.8,22.7,22,23.1,22.2
1946,22.6,22.9,22.4,20.4,19.9,20.2,18.2,20.7,21.8,22.1,20.6,21.4
1947,22.3,22.4,22.3,22,21.5,18.2,17.8,18.4,21.7,21,21.3,19.6
1948,21.3,20.2,19.6,19.7,20.4,19.3,18.2,20.2,20.7,21,21.4,20.3
1949,22.4,19.9,20.4,19.4,19.5,18.5,18,18.9,20.6,20.7,21.5,21.6
1950,20,20.1,19.7,19.8,19.6,18.2,17.9,19.8,21.1,21.2,21.9,19.6
1951,20.2,18.9,19.7,19.4,20.2,19.4,18.9,19.9,21.1,21.1,21.1,20.5
1952,20.4,19.9,20.6,19,18.7,16.3,16.8,18.2,19.3,20.6,20.5,19.9
1953,19.9,20.2,20,20.1,18.9,18.4,16.9,19.5,21.4,20.6,20.5,20.3
1954,19.9,19.7,19.4,19.7,18.3,18.5,17.7,20,20.5,19.6,20.5,20.4
1955,20,19.9,19.8,19.5,18.6,18.6,17.2,19,20.4,20.5,21.1,20.2
1956,19.5,19.6,20,18.8,18,17.4,17.7,18.5,20.8,19.7,20.5,20.1
1957,19.9,19.9,20.3,19.5,19.9,18.9,17.4,19.2,19.9,20.4,21,20.9
1958,21.3,21.6,21.1,21.2,19.7,20.8,21,19.6,21.7,21.3,19.6,20.9
1959,20.5,20.8,21,21.1,20,20.2,20.1,18.1,19.4,20,20.6,20.6
1960,21.7,21.2,20.7,18.9,18.3,20.1,19.5,21.7,22,21,19.7,21
1961,21.6,20.8,21.2,20.9,20.7,19.6,20.6,21.2,21.8,21.9,21.7,20.5
1962,20.9,20.5,20.4,21.1,20.6,19.9,18.8,20.3,21.9,21.5,23.1,20.7
1963,20.5,20,20.3,20.9,20.3,20.1,20.2,22,21.4,21.9,21.7,21.7
1964,21.8,21.5,20.6,21,19.6,18.9,18.4,20.7,21.2,21,21.1,21.6
1965,21.2,20.9,20.4,20.4,20,19.2,19,20.2,21.1,22.2,22.1,21.4
1966,21.7,21.4,20.6,20.9,19.9,18.7,18.2,19.3,20.8,20.9,21.5,20.8
1967,21.2,20.5,20.1,20.4,20.2,18.6,17.9,19.7,20.9,20.4,21.3,20.5
1968,20.2,20.3,20.2,19.5,18.6,18.6,18.3,19.8,20.7,20.9,21.1,21.1
1969,20.4,21.1,21.3,20.9,20.6,18.9,18.4,19.7,21.1,21.7,22.3,21
1970,20.6,20.6,20.1,20.5,19.4,19,16.4,19.8,20.5,21.2,21.8,20
1971,20.7,19.7,20.3,19.7,18.6,18.2,18.3,19.5,21,20.2,21.3,20.4
1972,19.8,20.3,20.1,20.2,19.5,19.3,19.1,19.6,20.3,21.4,22,21.7
1973,20.8,21.2,21.3,20.7,19.4,18.6,17.9,19.2,19.8,20.8,21.2,20.3
1974,19.9,19.3,20.1,19.6,18.8,17.9,17.9,18.4,20.3,20.4,21.4,20.3
1975,19.8,20,20.3,20.8,19.2,19,18.1,19.7,19.9,20.6,21.3,20.3
1976,20,20,19.9,19.9,18.7,18.4,18.6,19.4,19.6,21.5,21.3,20.8
1977,21,20,20.5,20.4,18.9,18.2,19,19.7,21,20.9,21,21.1
1978,20.2,21,20.7,20.4,19.6,18.6,18,18.4,20.4,21,21.2,20.7
1979,20.8,20.7,20.4,20,19.5,18.1,18.5,19.9,21.6,21.3,22,20.8
1980,21.1,21,20.7,20.5,19.3,18.7,18.4,20.3,20.5,20.7,21.5,21.2
1981,19.6,19.1,19.6,19.8,19.7,19.5,17.9,19,18.8,19,20.2,20.9
1982,21,20.3,20.9,20.8,20,20.2,19.5,18.8,19.4,19.9,21.2,20.7
1983,22.1,21.2,21.2,22.1,20.4,18.8,19.4,20,20.4,20.2,21.6,20.6
1984,19.3,19.2,19.9,20,19.8,18.9,18.8,19,20.2,21.9,19.8,20.8
1985,20.9,19.7,21.2,18.6,19.9,17,18.3,19,19.6,20.4,20,20.1
1986,20,20.3,20.1,20.6,19.6,18.5,18.2,19.7,19.9,20,20.9,20.7
1987,21,20.5,20.7,21,19.8,18.8,19.1,19.8,21.1,21.6,21.1,21.1
1988,20.6,21.1,20.6,20.7,19.8,18.3,17,20,20.5,20.6,21,20.5
1989,19.6,19.5,19.4,19.9,18.9,16.9,18.1,19.2,20.2,20,20.4,20.9
1990,19.9,20.3,20,20.3,19.7,18.3,18.4,18.5,20,20.8,21.1,20.6
1991,19.9,20.4,20.4,20.3,19.9,19.1,18,18.7,19.9,20.5,20.7,20.9
1992,21.3,21.6,21.6,20.7,20.6,19.6,17.6,19.4,19,19.3,19.8,19.8
1993,20,21,21.2,20.2,19.8,18.9,18.7,18.5,19.9,20.4,20.8,20.5
1994,20.7,20.6,21.9,20.9,20.4,19.3,18.8,20.2,20.9,20.9,21.8,21.3
1995,21.5,21.3,20.8,21.1,19.5,19.6,19.7,20.8,21.1,21.3,21.5,20.9
1996,20.2,20.3,20.8,20.7,20.2,18.2,18.6,19.7,20.6,20.7,20.8,20.4
1997,20.6,20.1,20.1,20.5,19.8,19.2,19.7,19.4,21.2,21.7,21.7,21.6
1998,22.4,22.5,22.4,22,20.8,19.2,19.6,20.7,20.9,20.9,21.2,20.9
1999,21,20.3,20.3,20.3,19.7,19.1,18.2,19.3,20.9,20.3,21.5,20.5
2000,20.2,20,20,21,20.4,19.1,18,20.1,21.1,20.3,22.2,20.9
2001,19.9,20.2,20.2,20.9,19.9,18.7,19,19.7,20.9,21.2,22.1,21
2002,21.1,20.3,20.2,20.7,19.7,19,17.9,19.7,20.6,20.9,21,20.8
2003,20.9,20.7,21,20.4,19.8,19.3,18.7,18.2,20.6,21,21.8,21
2004,20.7,20.6,20.8,20.7,19.7,18.3,18.3,19,20.5,20.8,21.4,20.9
2005,21.3,20.6,20.9,20.8,20.3,19.5,18.8,20.2,20.3,20.5,21.1,21
2006,20.4,20.3,21,20.6,19.2,19.4,18.9,18.8,21.1,20.9,21,20.5
2007,21.2,20.7,20.4,20.8,19.4,19.1,18.7,19.9,20.3,20.5,21.3,20.7
2008,20.2,20.1,19.9,20.4,19.2,18.3,19.1,20.5,20.3,20.7,21.5,20.7
2009,20.4,20.3,20.5,20.7,19.8,18.9,18.9,20.1,21.1,21.3,21.9,20.7
