1901,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1902,21.8,22.4,23,22.8,21.9,20.8,20.6,21,21.3,21.7,21.9,21.6
1903,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1904,21.8,22.4,23,22.7,21.9,20.9,20.5,20.9,21.2,21.6,21.9,21.6
1905,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1906,21.8,22.4,23,22.8,21.9,20.8,20.6,21,21.3,21.7,21.9,21.5
1907,21.7,22.3,22.9,22.7,21.8,20.9,20.6,21,21.3,21.7,21.9,21.6
1908,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1909,21.8,22.4,23,22.7,21.9,20.8,20.6,20.9,21.3,21.7,21.8,21.5
1910,21.8,22.4,23,22.8,21.9,20.8,20.6,21,21.3,21.7,21.8,21.5
1911,21.7,22.4,23,22.8,21.9,20.9,20.5,21,21.3,21.7,21.9,21.6
1912,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1913,21.8,22.4,22.9,22.8,21.9,20.9,20.5,21,21.3,21.7,21.9,21.6
1914,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1915,21.8,22.4,23,22.8,22.8,21.5,21.3,21.9,21.7,22.6,22.2,22.1
1916,22,22.4,23,23.4,22.4,21.1,21,21,21.7,21.6,21.8,21.3
1917,21.3,21.7,22.5,22.5,21.8,20.9,20.8,20.6,21.1,21.6,21.9,21.4
1918,21.4,22.1,22.4,22.4,21.5,20.7,20.5,21.2,21.6,21.9,21.9,21.4
1919,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1920,21.8,22.4,23,22.8,21.9,20.9,20.6,21,21.3,21.7,21.9,21.6
1921,21.9,22.3,22.5,22,21.6,20.3,19.9,20.6,21.2,21,21.5,21.4
1922,21.6,22,22.4,22.3,21.2,20.3,20.3,20.6,21.1,21.7,21.5,20.6
1923,20.8,21.4,21.7,22,21.5,20.4,20,20.8,21.3,21.5,21.9,20.9
1924,21.7,22.1,23.1,23,22.2,20.4,20.1,20.4,20.3,20.7,21.2,20.8
1925,20.5,21.4,22.1,22.3,21.8,20.7,20.5,20.4,20.9,21.9,21.6,21.6
1926,21.7,22.5,23.2,23,22.3,22,20.4,20.9,20.8,21.2,21.7,20.7
1927,20.9,21.2,22.4,21.8,21.1,20.2,19.7,20.3,20.8,21,21.8,21.6
1928,21.4,21.8,22.2,22.1,21.4,20.4,20,20.6,20.9,21.3,21.7,20.8
1929,21,21.7,22,22.1,20.9,20.4,20,21,21,21.6,21.4,20.8
1930,21.6,22.3,23.2,22.8,21.8,20.8,20.5,20.8,21.2,21.6,22.1,21.8
1931,22.1,22.7,23.4,23.2,22.1,21,20.4,21,21.3,21.8,21.9,21.5
1932,21.8,22.4,22.8,23.2,21.7,20.8,20.4,21,21.2,21.5,22,21.5
1933,21.4,21.4,22.3,22.6,21.7,20.4,20,20.6,21,20.9,20.9,20.5
1934,20.7,20.9,21.7,22.2,21.7,21.2,20.1,21,21,20.8,21.7,21.2
1935,21.7,21.9,22,22.5,21.2,20.4,20.3,20.3,21,21.4,21.8,21.5
1936,21.2,21.9,22.7,22.2,21.8,20.6,20.3,20.9,21.1,21.2,21.9,21.4
1937,21.4,21.9,22.8,22.4,21.5,20.7,20.4,20.7,21.3,21.7,22.2,21.9
1938,22.4,22.9,22,21.7,20.9,20.6,21.2,20.7,21.3,22.2,21.9,21.7
1939,20.9,20.9,21.5,21.5,21.7,20.8,20.8,21.2,21.3,22.2,22.6,22.7
1940,22.1,22.7,23.1,23,22.7,21.4,21.2,20.5,21.9,22.1,22.8,22.3
1941,22.4,23.1,24.2,23.9,22.5,21,21.2,21.7,21.9,22.4,22.8,22.5
1942,23.2,23.7,24.2,23.3,21.4,20.9,20.7,21.5,22.1,22.4,22.4,22.1
1943,22.2,21.7,22.1,22.1,21.4,20.8,20.3,21,21.7,22.4,22.3,22.2
1944,22,22,22.5,22.6,21.3,20.9,20.9,21.6,21.5,22.5,22.5,22.2
1945,21.7,22.2,22.6,22.7,21.6,21,20.8,22,22.1,22.1,22.2,22.1
1946,21.9,22.1,22.8,21.9,21.5,21.4,20.7,20.9,21.7,22,22.1,22.3
1947,22,22.9,23.2,23.5,22.7,21.6,20.5,21.3,21.6,22,22.6,22.5
1948,21.8,22.2,22.6,22.2,21.9,20.6,20.5,20.6,21.3,22.1,22.2,22
1949,21.3,21.6,22.7,22.3,21.5,20.4,20.2,20.8,20.9,21.6,21.7,21.7
1950,21,21.7,22.2,22.3,21.2,20.3,20.3,20.4,21.2,21.4,22.1,21.5
1951,21.4,21.5,22.4,22.6,22.2,20.9,20.2,21.2,22,22.4,22.6,22.3
1952,22.3,22.7,23.8,22.4,22,21.3,20.8,21,21.4,22.2,22.4,22.2
1953,22.1,22.4,23,22.8,21.8,21.3,20.6,21.1,21.8,22.5,22.4,22.2
1954,21.9,22.6,23.2,22.8,21.9,21,20.5,20.8,21.7,21.4,22.1,21.4
1955,21.5,22.1,21.7,22.2,22.1,21.1,20.5,20.8,21,21.9,21.6,21.4
1956,21.7,21.9,22.3,22.5,21.8,20.7,20.6,20.3,21.1,21.2,22,21.6
1957,21.2,22.1,23,23.2,22.1,21.1,20.8,21.2,21.8,22,22.1,22.1
1958,22.7,23,24.2,23.8,22.4,21.3,21.3,21.5,22.2,22.1,22.1,22.4
1959,22.8,22.8,23.3,24.1,22,20.9,20.9,21.2,20.8,21.4,21.6,22.2
1960,22.1,22.2,22.9,22.4,21.1,20,19.5,21.5,21.2,22,22.3,22
1961,22.8,22.9,23.5,23.4,23,21,20.5,21,21.6,22.1,21.8,21.2
1962,21.9,23.1,22.8,24,22,20.5,19.9,21.4,21.5,22.2,22.4,22.5
1963,22.4,22.7,23.1,22.8,21.4,21.2,21.1,21.5,22.2,22.4,22.4,22.4
1964,23.2,23.8,24.5,23.1,22.7,21,20.6,21.1,21.4,21.1,21.5,21.3
1965,22.1,22.3,23.8,23.7,21.7,20.9,20.9,21.1,22.1,22.4,22.1,22.2
1966,22.5,23.4,23.4,23.7,22.6,21.7,20.7,21.2,21.6,22,22,21.5
1967,21.5,22.8,23.7,22.4,22.1,20.5,20.5,21,21.1,21.6,22.4,21.5
1968,22.1,22.9,22.9,21.8,20.6,20.6,20.4,20.8,21.3,21.7,21.9,22.1
1969,21.7,22,23.3,23,22.4,21.7,21.1,21.1,21.2,21.4,22,21.5
1970,21.5,22.1,22.7,22.8,22,20.9,20.4,20.7,21,21.9,21.9,21.3
1971,21.1,21.7,22.2,22.2,21.1,20.7,20.9,20.6,20.4,20.7,21.2,20.6
1972,20.9,21.7,22.1,21.8,21.2,20.7,20.9,21.1,21.7,21.9,21.9,22.8
1973,22.8,23.8,23.3,21.9,21.5,20.9,21.1,20.7,20.3,23.2,21.8,20.8
1974,21.2,22.6,22.2,22.4,22.5,21.3,21.3,20.6,21,21.6,21.7,21.1
1975,21.3,20.5,22.8,23.1,21.4,21.1,20.7,20.9,21.2,21.2,21.5,22
1976,21.1,21.7,21.6,21.9,22.1,20.2,21,22.6,21.9,22.8,21.3,21.6
1977,22.3,22.8,23.2,23.8,21.1,20.8,21.3,21.1,21.3,21.7,21.9,21.3
1978,21.3,24.2,23.6,22.5,22.2,20.4,21.3,19.8,21.3,21.1,22.1,21.9
1979,21.9,22.4,22.3,22.4,22,20.7,20.7,20.8,21.9,21.7,22.7,21.6
1980,21.2,23,23.1,23,22.3,21.8,20.6,21.2,21.5,21.4,21.6,21.7
1981,22.3,22.2,23.2,21.9,21.5,20.7,19.9,20.5,20.9,21.4,22.1,21.6
1982,22.4,22.5,22.6,21.9,21.3,20.5,20.2,20.9,21.6,21.8,22.1,21.7
1983,22.5,23.1,23.8,22.6,22.3,21.5,21.1,21,21.4,21.8,22.1,21.2
1984,21.1,22.2,23.9,23.8,22.5,20.9,20.4,21,21.4,21.7,22,21.8
1985,22.2,22.1,23.5,23.1,21.3,19.9,19.9,20.2,21,21.4,21.1,21
1986,21.6,22,22.9,22.5,22,21,20.5,21.4,21.7,21.6,21.9,21.6
1987,22.4,22.9,23.6,23.2,22.2,21.1,21.2,21.5,22,22.4,22.6,22.3
1988,22.9,23.3,24.6,24.2,23,21.4,20.5,21.2,21.6,22,21.3,21.2
1989,20.8,21.2,21.8,22.4,20.8,20,19.2,20,20,22.1,20.6,20
1990,20.1,22.9,23.5,22,21.7,20.8,20.2,20.3,22,20.9,21.8,21.6
1991,22.3,23,22.6,22.4,22.1,20.7,19.4,19.1,20.7,20.6,20.9,20.8
1992,21.2,22.5,23.3,22.6,20.9,20.8,19,19.7,20.7,20.8,21.2,21.3
1993,20.8,22,21.6,21.3,20.7,19.6,19.4,21.2,21.4,22.5,21.5,21.8
1994,22.4,22.4,22.5,22.4,21.5,20.8,19.6,20,20.5,20.5,20.3,19.5
1995,21.3,23,23.2,23.4,22.2,21,20.3,20.6,21.8,21.7,21.5,21.4
1996,21.8,21.7,23.6,23.4,21.8,20.7,20.7,21.2,21.5,22.4,22.2,21.6
1997,22,21.6,23.4,23.3,21.9,21.7,20.8,21.5,21.8,22.9,22,21.2
1998,21.9,21.8,21.1,23.4,22.3,19.9,21.5,21.8,22,22.2,21.9,21.6
1999,21.8,22,22.8,21.9,22.5,21.4,20.7,20.4,21.1,21.9,22.5,22.5
2000,22.6,22.2,22.8,23,22.3,21.5,21.3,21.6,21.6,22.2,22.6,21.8
2001,22.3,23,23.3,23.3,22.7,21.3,21.7,22.1,22.3,23,22.9,22.5
2002,22.7,24,23.4,22.9,22.6,21.2,22.1,21.7,21.5,22.4,21.7,21.8
2003,23.8,23.7,23.8,23.4,22.3,21.9,20.9,21.8,21.9,22.4,22.6,22.4
2004,23,23.8,24.2,23.3,21.8,21,20.8,21.1,21.9,22.8,22.7,22.2
2005,23.2,23.5,24.4,22.9,22.3,21.8,20.7,21.7,22.2,22.7,22.8,22.1
2006,22.1,23,22.9,23.9,21.9,21.4,20.9,21.9,22.6,22.6,22.3,22.6
2007,23.4,24.3,23.7,23.4,22.7,21.1,21.2,21.6,21.6,22.1,22.7,21.9
2008,22.3,22.5,23.4,23.7,22.3,21.7,21.3,21.8,21.9,21.7,21.6,20.7
2009,21.5,22.6,22.3,23.9,22.5,20.9,20.5,21.3,21.8,23.1,22.6,22.4
