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