1901,20.3,20.3,20.8,21.6,22.4,22.3,22,22.2,22.2,22.2,21.8,21.1
1902,20.2,20.3,20.6,21.5,22.2,22.3,22,22.2,22.1,22.1,21.8,21.1
1903,20.3,20.3,20.6,21.6,22.4,22.5,22.1,22.1,22.1,22.2,21.9,21
1904,20.2,20.1,20.6,21.4,22.3,22.3,22,22,22.1,22.1,21.9,21.1
1905,20.2,20.2,20.6,21.6,22.2,22.4,22,22.2,22.1,22.1,22,21.1
1906,20.2,20.2,20.7,21.5,22.3,22.3,22,22.2,22.1,22.2,22,20.9
1907,20.1,20,20.5,21.3,22.2,22.3,22.1,22.1,22.1,22.1,21.9,21.1
1908,20.3,20.2,20.6,21.5,22.3,22.4,22.1,22.2,22.2,22.2,21.9,21
1909,20.2,20.1,20.8,21.5,22.3,22.2,22,22,22.2,22.2,21.8,20.9
1910,20.2,20.2,20.7,21.6,22.3,22.4,22.1,22.2,22.2,22.2,22,21.1
1911,20.2,20.2,20.7,21.6,22.3,22.4,22.1,22.3,22.2,22.2,22,21.1
1912,20.3,20.3,20.8,21.6,22.4,22.4,22.2,22.2,22.2,22.2,22,21.1
1913,20.2,20.2,20.7,21.5,22.3,22.3,22,22.1,22.2,22.2,21.9,21
1914,20.2,20.2,20.7,21.6,22.3,22.3,22.1,22.2,22.2,22.2,22,21.1
1915,20.2,20,20.7,21.3,22.4,22.5,22.3,22.4,22.3,22.4,22,21.2
1916,20.2,20,20.5,21.5,22.4,22.4,22,22,22.1,21.9,21.7,20.7
1917,19.9,19.9,20,21.3,22.6,23,22.4,21.9,22.2,22.4,22.2,21.2
1918,20.1,20.1,20.4,21.3,22.5,22.8,22,22.5,22.8,22.2,21.9,20.7
1919,20.1,20.1,20.5,21.3,22.3,22.3,21.8,22,21.9,21.9,21.7,20.9
1920,20.1,20.2,20.6,21.4,22.3,22.2,21.8,21.9,22,21.9,21.8,20.9
1921,20.5,20.4,20.8,21,22.7,22,21.4,22.1,22.2,21.7,21.7,20.9
1922,20,19.9,20.2,21.3,21.7,21.9,21.9,21.9,22.1,22.3,21.6,20.1
1923,19.4,19.1,19.2,20.9,22.2,21.8,21.8,22.2,22.2,22,21.9,20.5
1924,19.7,19.8,20.6,21.8,22.7,22.1,21.6,21.7,21.4,21.4,21.4,20.3
1925,19,19.5,20.1,21.2,22.2,22.3,22.1,21.7,21.8,22.3,21.6,20.9
1926,19.9,20.2,20.7,21.6,22.8,23.7,21.9,22.1,21.7,21.9,21.7,20.3
1927,19.5,19.1,20.2,20.6,21.5,21.8,21.5,21.6,21.9,21.8,21.9,21
1928,19.8,19.6,20,20.9,21.9,21.9,21.6,21.9,22,21.9,21.8,20.3
1929,19.2,19.4,19.9,20.9,21.3,21.9,21.8,22.4,21.9,22.2,21.4,20.3
1930,20,20,20.6,21.4,22.3,22.2,22,22.1,22,22.1,21.9,21.1
1931,20.3,20.2,21,21.7,22.7,22.5,22.1,22.2,22.1,22.2,21.9,21.1
1932,20.2,20,20.7,21.6,22.3,22.4,22,22.2,22.3,22.3,22,21.1
1933,19.8,19.3,20,21.5,22.2,22,21.5,21.6,21.7,21.7,21.2,20.3
1934,19.1,18.9,19.5,20.8,22.1,22.8,21.8,22.3,21.7,21.6,22,20.7
1935,20.2,20,19.6,21.2,21.8,22.5,21.7,21.5,21.7,21.9,22,20.2
1936,19.8,19.7,20.7,21.3,22.4,22.1,21.9,22,22.1,21.9,21.7,20.7
1937,19.6,19.5,20.4,21.6,22.4,23.3,22.9,23.5,23.5,23.1,22.7,21.8
1938,19.9,19.7,19.7,20.6,21.6,22.7,22.5,22.6,22.8,22.8,21.9,20.9
1939,19.2,19.2,19.5,20.6,21.5,21.6,21.7,21.7,22,22.1,22.3,21.5
1940,20.7,20.4,20.8,22.1,23,22.1,22.2,22.1,22.7,22.3,22,20.7
1941,20.2,20.5,21.1,22.4,22.9,22.4,22.2,22.1,22.4,22.4,22.3,20.9
1942,20.7,21.1,20.8,22,22.5,23,21.8,22,22.1,22.3,22.4,21
1943,20.4,20.7,20.3,21.8,21.6,22.5,22,21.6,22,22.1,21.7,20.8
1944,20.1,19.8,20.3,21.7,22.4,22.1,22.4,22.7,21.9,22.8,22.2,21.2
1945,19.8,20.1,20.3,21,22.9,22.4,22.5,22.1,22.2,22,21.8,20.8
1946,19.9,19.5,19.7,21.2,21.4,22.1,22.1,22,22.2,22.5,22.3,21.2
1947,19.4,20.2,20.4,20.7,22.4,22.6,22.2,22.2,22.6,22.5,21.9,20.8
1948,20.5,20.3,20.5,21.3,22.8,22.5,22,22.1,22.2,22.6,22.1,21.1
1949,19.8,19.6,20.5,21.3,22.4,22.2,21.9,22.6,22.5,22.3,22,20.9
1950,19.6,20,20,21.3,21.7,21.9,22,22.3,22.4,22.3,22.3,20.8
1951,19.2,19.3,19.9,20.9,21.7,21.8,21.4,21.6,21.7,21.5,21.3,20.8
1952,19.9,19.7,20.5,21.7,22.4,21.8,21.5,21.6,21.9,22,21.5,20.4
1953,19.9,19.6,20,21.2,21.6,22,21.7,21.7,21.9,21.4,21.5,20.4
1954,19.4,19.4,19.5,20.7,21.8,22.1,21.4,21.5,21.7,21.3,20.7,20.3
1955,19.2,19.7,19.5,20.5,22,21.8,21.5,21.9,21.2,21.7,21.2,20.6
1956,20.2,19.5,20,20.5,21.3,21.7,21.3,21.4,21.3,21.4,21.3,20.2
1957,19.5,19.6,19.6,20.3,21.5,22.1,21.9,22.1,22.3,22.2,21.8,21.1
1958,20.1,20.2,21.5,22.1,22,22.2,22,22.4,22.6,22,21.5,20.9
1959,19.8,20,20.7,21.7,22.5,22.3,21.6,21.7,21.9,21.5,21.1,21.2
1960,19.9,19.8,20.3,21.2,22.3,22.2,21.8,21.9,22,21.7,21.4,20.7
1961,20,19.6,20.5,21.1,22.1,21.9,22,22.2,21.5,22,21.8,21
1962,20,19.4,21,21.7,22.4,22.3,21.8,21.6,22.1,22.4,21.8,20.7
1963,20.1,20.3,20.3,21.4,21.8,22.1,22,22.4,22.1,22.3,21.6,20.9
1964,19.2,19.7,20.5,21.2,21.8,22,21.8,22.2,22.2,21.4,21.2,19.4
1965,19.6,19.1,19.7,20.4,21.8,21.8,22,22,21.8,21.9,21.9,21.2
1966,20.3,19.8,20.5,21.4,22.3,22.2,22.1,22,21.8,22,22,21.2
1967,20.2,19.9,18.9,20.9,21.8,22,21.5,21.6,21.8,21.6,21.2,20.2
1968,19.5,19.4,19.8,20.8,21.4,22,21.6,21.4,21.5,21.6,21,20.5
1969,20,20.4,21.3,22.7,23.4,22.6,22.3,21.8,22.2,21.9,22.2,21.5
1970,20.5,20,20.8,21.1,22.4,22.2,21.8,21.7,21.4,22.2,20.9,21.2
1971,19.9,19.6,20.1,20.9,21.8,21.9,21.6,21.1,21.5,21.1,21.1,20
1972,20.2,19.6,20.4,20.8,21.8,22,22.2,22.1,22.3,22.4,21.5,21.1
1973,20.4,20.3,21.1,21.6,22.2,22,22.4,21.5,21.8,21.4,21.5,20.2
1974,19.8,19.9,19.9,20.6,21.8,22.1,21.2,21.7,21.7,21.3,21.8,20.3
1975,19.4,19.5,20.2,20.4,21.9,22,21.4,21.7,21.7,21.4,21.3,20.6
1976,19.5,19.5,19.5,20.6,21.6,21.6,21.6,22,22,22.9,21.8,20.3
1977,19.7,20,20.8,20.9,22.5,21.9,21.2,22.2,22.2,22.5,22.3,20.7
1978,19.9,20.6,21,22.4,22.4,22.1,21.5,21.9,21.9,22.1,22.1,20.7
1979,19.5,19.9,21,21.7,22.4,22.8,22.5,22.8,22.6,22.2,22.3,22
1980,21.1,21,20.9,21.6,22.8,22.7,22.7,23.1,23,22.5,22.1,21.9
1981,21.1,22,21.8,22.5,22.8,22.9,22.9,22.9,22.8,22.8,22.8,22.5
1982,21.2,21.2,21.1,22.5,23,22.7,22.3,22.6,23.2,22.7,22.3,21.8
1983,21.3,20.9,22.2,22.9,23,22.9,22.9,23.1,23.2,23,22.7,21.8
1984,21,21.3,21.3,22,22,23,22.6,22.9,22.5,22.3,21.9,21.5
1985,20.2,20.2,21.4,22.2,23,22.8,22.2,22.7,22.4,22.5,22.4,21.3
1986,20.5,20.2,20.8,22.1,23,22.5,22.4,23.2,23,22.9,22.3,21.5
1987,21.2,21.5,22.5,23.6,24.2,24,23.3,24,23.4,24,23.3,22.8
1988,21.4,21.7,21.7,22.9,23.7,23.8,23.4,23.7,23.3,23.4,23,22
1989,21.4,21,21.1,21.6,22.6,23.4,23,23.8,23.5,23.2,22.8,21.5
1990,21.5,20.8,21.9,22.8,23,23.3,23.2,23,23.7,23.6,23,21.9
1991,20.2,20.3,20.8,21.3,22.5,22.7,21.9,23.2,21.9,21.7,21.8,21.2
1992,20.3,20.1,20.4,22.1,22.7,22.1,22,22.1,21.7,22.1,22.2,20.7
1993,20.5,20.5,21.2,22.3,23.3,23.5,22.4,22.4,22.4,22.5,22.4,21.8
1994,20.8,20.9,21.2,21.6,22.6,21.2,22.2,22.4,22.2,22.2,22.1,21.3
1995,20.4,20.5,21.7,22.8,23.3,23.2,22.8,22.8,23.3,22.9,23.4,22.2
1996,21,21.5,21.3,21.9,22.2,22.6,22.5,22.1,22.6,22.7,22.1,21.8
1997,21,20.6,20.3,21.3,22.4,22.7,22.6,22.6,23.2,23.6,22.5,21.7
1998,21.5,22.2,22.4,23.7,23.4,23.3,22.9,23.6,23.2,22.9,22.2,21.8
1999,21,21,21.3,22.3,22.9,23.1,23.2,22.8,23.3,22.6,23.4,22.6
2000,21.3,20.9,21.1,21.7,22.6,22.9,22.5,23.2,22.9,22.7,22.2,21.3
2001,20.8,20.4,21.3,21.9,23.1,22.8,21.8,23.5,22.4,22.8,22.7,22.4
2002,21.4,20.7,21.3,21.6,22.2,22.6,22.3,22.7,22.8,22.5,21.8,21.1
2003,21.2,21,21.7,23.4,23.4,23.3,23,23.3,23.3,23.3,23.3,22.2
2004,21.3,20.9,21.7,22.5,22.5,23,23,22.8,23.1,23,22.6,21.9
2005,21.9,22.3,22,23.2,22.8,22.9,22.7,23.1,23.2,22.6,22.4,21.3
2006,20.4,20.3,21.3,22.1,23.1,23.2,23.1,23.1,22.9,22.9,22.5,21.9
2007,21.2,20.2,21.4,22.3,23.4,22.4,22.7,22,22.7,22.5,22.4,21
2008,21,20.8,20.6,22,23.1,23.6,22.9,23.1,23.5,23.1,22.8,22
2009,21.3,21.3,21.4,22.2,23.1,23.1,23.2,23.4,23.7,23.1,23,22
