1901,21.1,20.8,20.2,20.6,19.8,19.9,19.3,18.2,19.5,20.4,21,21.5
1902,21,21.7,21.1,21.4,20,20.3,19.8,18.2,19.4,20.1,20.9,21.9
1903,20.5,20.2,20.6,21.9,21.4,20.4,19.5,18,19.2,20.4,21,21.7
1904,20.5,21.3,20.1,21.3,20.2,19.3,18.3,16.8,19,19.9,20.5,20.8
1905,20.7,20.3,19.2,20.2,20.5,19.8,19.2,18.3,19.6,20.4,21.4,21.1
1906,21.3,20.3,20.7,20.5,19.3,18.6,18.9,17.9,19.2,20.5,21.1,21.2
1907,20.8,20.4,21.1,21.8,21.5,20.8,18.3,18.1,19.7,20.9,21,21.4
1908,21.5,22.5,21.1,21.7,21.3,20.6,20,18.9,20.1,20.9,20.9,21.6
1909,20.9,20.8,21.8,21.5,21.2,20.8,19.7,18.3,19.5,20.7,21.2,21.4
1910,20.3,21.2,20.5,20.7,19.6,19.2,19,18.4,19.8,20.9,21.1,21
1911,19.9,20.5,19.3,20.9,20.8,20.8,19.4,18.2,19.7,20.6,21.2,21.3
1912,20.8,20.1,19.8,20.7,19.7,18.7,18.6,18,19.3,20.3,21.1,21.4
1913,21.2,19.9,20.1,20.6,19.8,19,18.6,18,19.5,20.6,21.3,20.7
1914,20.1,20.1,20.3,20.9,19.8,19,18.3,17.1,19.6,20.6,21.2,21.7
1915,21.3,22,20.2,22.7,22.3,21.3,20.6,19,19.9,21.2,21.5,21.4
1916,20.9,21.6,20.1,20.9,19.8,18.7,18.4,17.6,19.2,20.5,20.9,21
1917,19.6,19.2,19.4,20.3,19.1,17.8,18.1,17.7,19.5,20.9,21.3,21.2
1918,20.4,20,20.7,20.9,20.6,19,19,17.4,19.3,20.9,21.6,21.4
1919,20.8,21.7,22,20.5,22.2,20.7,19.4,18.1,19.5,20.6,21.1,21.7
1920,21.3,21.9,20.5,21,20.3,18.7,18.5,18,19.5,21.1,21.4,21.4
1921,20.8,20.2,20.2,20.7,19.4,18.4,17.6,17.5,19.3,20.6,21.2,21.5
1922,21.5,21.5,21,20.3,19.7,18.7,17.6,17.1,19.3,20.3,20.7,20.9
1923,21.3,20,20.4,19.9,20.1,19.1,18.5,18,19.6,20.9,21.6,21.9
1924,21.6,20.2,20.2,20.2,19.7,18.4,17.9,17.1,19.2,20,20.8,20.9
1925,19.8,19.7,19.9,20.1,20,19.6,19.4,18.3,19.3,20.3,20.8,21.1
1926,20.7,20.9,20.6,21.2,20.4,19.4,19.1,18.3,19.8,20.7,21.5,21.6
1927,20.9,20.8,20.3,20.8,20.3,19.2,18.7,18.4,20.1,20.9,21.6,21.9
1928,21.3,22,21.2,20.9,20.4,20.1,19.4,18.5,19.9,20.7,21.2,21.3
1929,21.4,20.7,20.7,20.4,19.9,19.4,18.8,18.2,19.9,20.6,21,21.1
1930,21,21.2,21.1,21,21,20,19.9,18.8,19.9,20.6,21.6,21.9
1931,21.1,21.3,21.5,21.9,21.4,20.8,20.5,18.7,19.9,20.7,21.4,21.6
1932,20.9,21.3,21,22.2,21.5,20.5,19.7,19,19.6,20.6,21.3,21.4
1933,21.1,20.8,20.6,21.1,20,19.7,19.6,18.6,20.1,21.2,21.3,21.5
1934,21.1,20.4,19.3,20.6,19.4,18.1,18.1,17.9,20,21.1,21.4,21.4
1935,21.3,20,20.4,20.5,19.7,18.6,18.5,18,19.4,20.8,21.6,21.8
1936,21.4,20.6,20.8,21.8,20.6,18.6,17.9,18,19.4,20.8,21.3,21.5
1937,22,21.1,21.5,21.1,20,19.1,19,18.4,20.1,21.2,22,22.2
1938,21.4,22.4,20.3,20.6,20.1,19.2,19,18.2,19.8,20.9,20.6,21.6
1939,21.3,20.5,20.1,20.7,20.6,19.4,19.2,18.2,19.5,20.1,21,21.6
1940,20.8,21.2,20.1,20.6,20,18.3,18.1,17.7,19.6,20.6,21.1,22.1
1941,21.7,21.6,20.7,21.4,20.7,20.3,19.2,18.5,19.7,21,21.3,21.9
1942,22.1,21.3,21.8,22.2,21.7,20.6,19.5,17.9,19.9,20.8,21.3,21.1
1943,21.1,20.9,20.7,21.1,20.7,19.9,18.9,17.7,19.1,21,20.8,20.9
1944,20.2,21.4,20.7,20.4,19.6,19.1,18.3,17.8,19.5,20.6,21.4,21.5
1945,20.8,19.7,21,20.8,19.4,18.2,17.8,17.6,19.1,20.4,21.2,21.5
1946,19.9,20.2,20.6,20.8,20.6,19.5,19.3,17.9,19.6,20.4,21.4,21.1
1947,20.7,20.6,20.1,20.5,19.6,19,18.9,19.8,19.6,20.9,20.9,21.1
1948,21.4,21.8,20.5,20.8,19.8,18.9,18.6,17.9,19.4,20.6,21.2,21.8
1949,21.9,21.2,21,20.9,20.1,19.2,18.9,17.8,19.7,20.8,21.2,21.5
1950,21.6,21.9,20.3,20,19.3,18.7,18.7,17.7,19.2,20.3,21.1,21.2
1951,21.1,21.7,22.2,21.6,21.1,18.4,18.2,18.3,19.9,20.9,21.6,21.6
1952,21.9,22.3,21.3,21.2,20,19.9,20,18.8,20.2,21,21.6,21.8
1953,21.8,22.3,22.1,22,20.6,19.4,19.6,18.5,20.1,21,21.7,21.9
1954,21.6,21.5,21.3,21.9,20.8,19.7,19.5,18.5,19.8,21,21.2,21.8
1955,21.2,20.7,21,21.1,20.2,19.9,19.8,18.3,19.8,20.8,21.6,21.6
1956,21.6,20.8,21.1,20.8,21.1,20.3,19.4,18.1,19.8,20.8,21.2,21.5
1957,20.8,21.7,20.2,20.3,20.4,19.6,19.4,18.4,19.9,21,21.9,22.1
1958,21.9,22.3,21.2,21.4,21.7,20.3,19.5,18.7,19.9,21,21.5,21.8
1959,21,21,21.2,21.4,20.6,20.1,19.7,18.7,20.1,20.8,21.3,21.9
1960,22,22.3,20,21,20.7,19.7,19.1,18.3,20,20.9,21.5,22.3
1961,21.7,20.4,20.8,21,20.2,19.9,19.3,19.3,19.6,20.6,21.3,22.4
1962,22,22.1,21.1,21.3,20.7,20,19.7,19.7,19.5,21.9,21.8,21.9
1963,21,20.5,20.2,21,20.2,19.7,19.1,18.8,20.4,21.8,22.2,21.4
1964,20.2,20,20.2,20.6,20.4,18.8,18.6,18,19.9,20.8,21.4,21.7
1965,20.9,21.7,21.9,20.4,20.4,19,18.8,18.6,20.2,21.6,22.3,22
1966,22.3,21.3,21.4,21.3,20.6,19.3,19.1,19.2,20.7,21.8,22.2,22.6
1967,22.4,20.8,20.2,20.9,20.5,19.8,18.7,18.7,20.5,21.7,21.6,21.6
1968,21.1,21.7,20,21.1,19.6,19.3,19.2,18.7,20.9,22.2,21.2,22.4
1969,21.6,22.7,21.6,21.2,20.3,19,18.4,18.1,20.1,21.5,22.1,22.1
1970,21.3,22.1,20.3,21.6,21.3,21,20,19.1,20.7,21.8,21.7,22.4
1971,20.4,20.2,20.1,20,19.2,18.1,17.8,17,18.9,19.9,20.3,20.7
1972,20.5,20,19.7,20.9,19.8,18.8,19.3,17.9,19.6,20.5,21.4,21.9
1973,20.5,21.1,20.6,20.4,20.4,18.8,17.8,18.8,19.9,20.9,21.2,21.2
1974,19.7,19,19,19.6,18.8,17.7,16.9,17,18.8,20.2,20.3,20.7
1975,20.4,19.6,19.3,19.9,19,18,16.8,16.5,19.2,20.1,21.3,20.6
1976,20.1,19.9,19.6,20,19.4,18.8,18.2,17.6,19.3,20.3,20.8,21.7
1977,20.4,20.1,20.3,20.4,20,18.9,18.5,18.1,19.2,20.2,21.1,21
1978,21,20.6,19.9,20.7,19.7,18.2,18.5,17.5,19.3,20.2,20.5,20.6
1979,20.4,20.7,21.2,21.7,20.4,18.4,18.6,18.4,19.7,21,21.1,21.6
1980,20.8,19.4,19.8,21,21.2,19.7,19.4,18.6,19.7,20.6,20.7,21.2
1981,20.8,20.8,20.3,20.7,20.7,20.1,19.4,18.8,19.7,20.8,21.4,21.4
1982,20.9,20.5,20.8,20.7,19.4,19.2,19.1,18.1,19.3,20.1,21,21.4
1983,21.5,21.1,21.1,21.5,21.7,20.3,19.8,18.7,20,20.3,21,21.4
1984,21.2,21.1,20.4,19.9,19.5,18.4,18.1,17.7,19.2,20.4,20.9,21.7
1985,20.1,19.2,19.6,19.5,19.5,18.3,17.2,16.8,19,20.2,20.7,20.1
1986,20.1,19.5,19.6,19.9,19.6,17.9,17.7,17.2,18.9,20.5,21.7,21.4
1987,21.5,21.3,19.7,20.7,21.4,20.2,19.3,18.8,19.8,20.9,21.6,22
1988,21.6,21.3,20.9,20.7,20.7,18.9,18,17.8,19.5,20.7,21.8,21
1989,20.2,21.3,20.6,20.1,20,19,17.9,17.5,19.5,20.7,21.7,20.6
1990,20.9,19.9,21.5,21.7,20.6,19.8,19.2,18.9,20.1,20.5,21.9,21.7
1991,20.8,21.1,20.6,21.6,20.6,19.4,18.6,17.6,19.1,20.2,20.9,21.4
1992,20.7,20.8,19.8,20.6,21,19.7,18.9,18.4,19.6,20.2,20.7,21.2
1993,21.1,22,21.4,22,21.4,20.3,19.7,18.7,20.3,21.1,21.6,22.1
1994,20.9,20.5,20.9,20.6,20.5,18.7,18.1,17.9,19.5,21.3,21.3,22.2
1995,20.8,21.1,21.1,20.7,20.2,19.1,19.1,18.2,19.7,21.4,21.1,21.8
1996,20.7,21.3,20.3,20.3,20.1,19.1,18.5,18,19.8,20.7,21.2,21.9
1997,21.1,21.5,20.5,20.3,19.9,19.4,18.9,17.9,19.7,20.9,21.5,22
1998,21.3,22.5,22.1,21.9,21.6,21.4,20.4,18.9,20.4,21.4,21.8,22.5
1999,21.2,21.3,20.4,21.4,19.7,20.1,19.4,18.5,19.3,20.7,21.3,21.5
2000,20.1,20.3,20.5,20.3,19.9,19.7,19.4,17.3,19.5,20.8,21.2,21
2001,20.8,20.2,20.9,20.5,20.7,19.1,19,18.4,19.7,20.8,21.6,22.2
2002,19.5,20.5,20.5,20.6,20.4,19.1,19.2,18.5,19.6,21.2,21.6,21.8
2003,20.9,20.8,20.3,21.1,21,19.3,19,18.5,20.1,20.9,21.4,21.6
2004,20.2,19.4,19.7,20.5,19.8,18.2,17.7,17.6,19.8,20.5,21.4,21.6
2005,21.5,21.9,21.6,21.6,21,18.8,18.6,18.5,19.9,21.2,21.7,21.8
2006,21.8,21.3,20.5,20.5,19.5,18.3,18.7,18,19.6,20.7,21,21.7
2007,21.4,20.9,19.9,20.9,20.1,19,17.9,17.9,19.2,21.1,21.4,21.2
2008,20.6,20.8,19.5,19.7,19.4,17.7,18.1,17.5,20,21.1,21.5,21.6
2009,21,20,19.9,19.9,19.2,18.5,18.4,17.2,19.4,20.7,21.3,21.5
