1901,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.2
1902,20.2,21.2,21.8,21.5,20.9,19.8,19.1,19.3,20.6,21.6,20.6,20.2
1903,20.5,21.4,22,21.8,21.1,19.7,19,19.1,20.4,21.6,20.5,20.1
1904,20.2,21.3,21.9,21.8,21.1,19.8,18.8,19,20.4,21.6,20.6,20.2
1905,20.3,21.3,21.9,21.7,21.1,19.7,18.9,19,20.4,21.7,20.7,20.3
1906,20.2,21.5,21.9,21.7,21.3,19.9,18.9,19.1,20.5,21.6,20.5,19.9
1907,20.1,21.4,22,21.8,21.2,19.8,18.9,19,20.4,21.6,20.5,19.8
1908,20.2,21.2,22.1,21.9,21.5,19.8,18.9,19,20.6,22,20.4,19.9
1909,20.1,21.2,21.8,21.4,21,19.6,18.9,19.1,20.4,21.6,20.5,20.2
1910,20.3,21.3,22,21.8,21.3,19.8,19.1,19.1,20.4,21.6,20.6,20.3
1911,20.4,20.8,21.7,21.5,20.7,19.8,18.1,18.7,20,21.1,20.3,19.6
1912,20,21.2,21.7,21.4,20.7,19.3,18.1,18.4,19.8,21.3,20.6,19.6
1913,19.9,20.9,21.5,21.4,21,19.3,18.8,19,20.4,21.6,20.6,20.2
1914,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.3
1915,20.3,21.3,21.8,21.9,21,19.5,18.6,18.9,20.3,21.5,20.7,20
1916,20.1,21.5,21.6,21.4,21.1,19.6,18.6,19,20.4,21.6,20.7,20.1
1917,20.4,21.5,21.9,21.5,21.1,19.6,18.7,18.9,20.3,21.6,20.7,20.3
1918,20.2,21.6,21.9,21.5,21.2,19.6,18.8,19,20.4,21.6,20.6,20.2
1919,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.2
1920,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.2
1921,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.6,21.8,21.1,20.7
1922,20.7,21.7,22.3,21.9,21.4,20.1,18.7,18.9,20.6,21.9,21.2,20.8
1923,20.3,21.3,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.2
1924,20.5,21.8,22.2,22,21.5,20,19.5,19.5,20.9,22.1,21.2,20.6
1925,20.5,21.2,21.9,21.7,21.4,20.3,19.5,19.7,20.7,21.5,20.6,20.1
1926,20.3,21.3,21.7,21.1,21.4,20.1,19.4,19.7,20.7,21.6,20.7,19.8
1927,20.3,21.3,21.9,21,20.6,19.3,18.9,19.6,20.8,22,21.3,20.5
1928,20.2,21.3,22.3,22.3,21.5,19.6,19.1,19.2,20.8,22.1,21.4,20.4
1929,20.3,21.9,22.3,21.7,21.3,19.4,18.5,18.6,20.1,21.6,20.6,20.4
1930,20.4,21.3,21.8,21.6,20.6,19.2,18.3,18.6,20.1,21.3,20.5,20.2
1931,20.4,21.4,21.9,21.6,21.6,20,19.1,19.2,20.7,21.9,20.6,20.3
1932,20.3,21.9,21.9,21.7,21.1,19.7,18.8,19,20.4,21.6,20.6,20.2
1933,20.2,21.4,22,22,21.3,19.9,18.9,19.1,20.5,21.8,20.7,20.1
1934,19.9,20.6,21.4,21.8,21.6,19.9,18.9,19.1,20.4,21.7,20.9,20.4
1935,20.7,21.6,22.1,21.6,21,19.4,18.4,18.6,20.5,22,20.9,20.2
1936,20.2,21.3,21.9,21.8,21.5,19.5,18.4,18.6,20.1,22,21.2,20.3
1937,20.4,21.5,22,22.3,21.7,20,18.7,19.1,20.8,22,21.2,20.2
1938,20.3,21.3,22,21.7,21.1,19.8,18.9,19.1,20.5,21.7,20.8,20.1
1939,20.1,21.3,22,22,21.7,19.6,19.1,19.4,20.9,21.8,21,20.3
1940,20.8,21.9,21.8,20.8,21.9,20.3,19,19.4,20.8,21.9,21.3,20.6
1941,20.5,22.2,22.3,22.5,22,19.8,19,19.3,21,22.1,20.7,20.2
1942,20.8,22.3,22.4,22.3,21.8,20.2,18.6,19,20.3,21.8,21,20.6
1943,20.6,21.3,22.2,22.6,22,19.9,18.8,18.9,20.3,21.8,21.4,20.9
1944,19.5,21.4,22.1,22.4,21.8,20.4,19,19.2,20.8,21.9,21.9,21
1945,21,21.5,22.8,23.2,22.2,19.5,19,19,20.4,22,21.2,20.6
1946,20.5,21.5,22.3,22.4,22.1,20.2,18.9,18.8,20.2,21.7,21.3,21.4
1947,21.3,21.6,22.3,21.8,20.9,19.9,19.2,18.8,20.5,21.4,21.1,20.1
1948,20.2,21.1,22,22.1,22.2,19.8,18.6,18.9,20.2,21.3,20.1,19.6
1949,20.1,21.2,21.9,22.6,21.9,19.6,18.8,19.3,20.2,21.8,21.3,20.3
1950,19.9,20.3,22,21.8,20.8,19.1,18.2,18.4,19.7,20.6,20.2,20.1
1951,21.1,22,22.2,21,21,20,19.1,18.7,21.4,21.8,21.1,20.5
1952,20.8,22.2,23.2,22.6,22.3,19.9,19,19.3,21.5,22,21,20.8
1953,21.1,21.5,22.6,22.6,21.8,20.9,19,19.5,20.8,21.7,21.1,20.8
1954,21.2,22.2,23.1,22.1,21.7,19.6,18.9,18.9,20.4,21.7,20.5,20.3
1955,20.8,21.2,22.1,21.8,21.1,19.9,19.4,19.6,20.7,21.9,20.6,20.6
1956,19.8,21,22.2,21.8,21.3,19.9,18.3,19.3,20.1,21.6,20.1,20
1957,20.5,20.5,21.7,22,21.4,20.2,18.6,19.2,21,22.5,20.9,20.5
1958,20.9,21.3,22.4,22.1,21.4,19.8,18.5,19.3,21.1,22,21.2,20.4
1959,21,21.8,22,21.8,21.6,19.8,18.8,19,20.7,22,21.2,20.5
1960,20.8,21.5,21.8,21.6,21.3,19.9,18.8,19.3,20.4,21.4,21.2,20.6
1961,21.2,22.1,22.5,22,22.5,20.9,19.9,19.6,20.4,21.1,20,20.7
1962,19.9,20.9,22.1,22.4,21,20,18.5,19.3,20.6,21.8,20.4,20.2
1963,19.9,20.9,21.8,21.2,20.9,19.1,18.5,18.2,19.8,22.1,20.9,19.9
1964,20.1,22,22.4,21.7,21,19.8,17.7,18.3,19.3,20.6,20.7,19.1
1965,19.7,21.3,21.9,21.6,21.2,19.3,18.3,18.6,20.7,21.1,20.3,20.3
1966,20.9,22.2,21.9,21.1,21.3,19.8,19.3,19.3,20.9,21.5,20.1,20.3
1967,20.3,21.5,22.6,21.8,21.1,19.4,18.7,18.5,20,21.1,20.1,20
1968,19.4,20.5,20.1,20.4,20.1,18.7,17.3,17.8,19.9,21.4,19.5,20.1
1969,20.1,20.2,21.3,22.5,20.9,19.4,18.8,18.5,20.8,22.4,20.8,20.3
1970,20.7,21.6,22.1,21,20.8,19.4,18,18.3,19.9,21.5,21,20.4
1971,20.1,20.5,21,21.4,20.4,18.3,17.9,18.8,19.4,20.7,20.6,19.9
1972,19.4,20.1,21.5,22.6,21.5,19.9,18.7,19.4,20.6,22.1,20.6,20.5
1973,20.3,22,22.5,22.9,21.4,19.7,18.6,19.2,20.5,21.8,21.1,19.9
1974,20.2,20.6,21.2,21.3,20.6,19.7,18.7,18.7,19.1,21.2,20.3,20
1975,20.2,21.4,22.5,22,21,19.6,19.1,18.2,19.8,20.9,20.1,19.9
1976,20.2,21.8,22.2,21.7,21.4,20.2,19,19.2,20.1,21.8,21.2,20.5
1977,20.8,21.7,22.3,21.8,21.4,19.6,18.8,18.9,20.4,22,19.5,19.8
1978,19.5,20.8,20.5,21.4,20.3,19.6,18.7,19.3,20.9,21.7,20.4,20.1
1979,20.3,21,20.6,21.7,21.2,19.4,18.7,20,20.6,20.4,21,21.8
1980,20.3,21.1,22.3,22.5,21.7,19.4,18.5,18.8,20.8,22.1,20.7,20.2
1981,20.9,22,22.1,21.1,20.8,19.7,18.1,19.4,20.5,21.5,20.9,20.3
1982,20.8,22,22.4,21.5,21.1,20.1,19.3,19.1,21,21.2,20.5,20.1
1983,21.2,21.8,22.4,22.7,21.6,20.5,19.6,19.9,20.3,22.5,21.6,19.3
1984,19.1,20.7,22,20.8,21.7,19.9,18.9,18.9,20.6,21.1,19.9,19.9
1985,20.4,21.2,21.5,21.2,20.6,19.2,18.6,18.8,20.7,21.4,20.9,20.7
1986,20.7,21.7,21.8,21.6,20.8,19.2,18.4,19.3,20.5,22.3,21,20.4
1987,20.5,21.6,23.1,23.1,21.6,19.9,19.4,19.5,21.8,22.7,21.5,21.3
1988,21.8,22.6,23,21.9,21.4,21.1,19.2,19.4,20.6,21.9,20.4,20.1
1989,20.4,20.3,21.9,20.8,20.7,19.5,18.7,19,20.7,21.6,20.5,19.8
1990,20,21.9,21.6,21.4,21.6,19.5,18.8,19,20.2,21.9,20.6,20.1
1991,20.4,21.6,22.4,21.9,21.5,20.5,18.8,18.7,20.5,22.2,20.7,20.2
1992,20,22.2,22.6,22.3,21.2,20.4,18.9,18.4,20.5,21.9,20.5,20.1
1993,19.4,20,21.4,22.4,22,20.4,18.6,19.4,20.5,21.8,21.7,20.5
1994,18.9,21.5,20.1,21.5,21.4,20.1,19.3,19.4,20.9,22.3,20.3,20.2
1995,20.6,21.6,21.8,22.1,21.6,20.8,19.1,19.3,21,22.3,21.3,20.9
1996,21.3,22.7,22.8,22.2,21.7,20.4,19.2,19.3,20.9,22,20.7,20.3
1997,21.4,22.2,21.4,21.9,21.7,20.4,19.5,19.8,22,22.1,20.8,21
1998,21.2,22.4,22.7,21.3,20.4,20.4,19.4,18.9,20.7,23.2,21.9,21.1
1999,21.7,21.7,22.8,22.8,21.1,21.6,19.4,20.4,22.2,21.9,21.1,20.2
2000,19.7,21.2,23.2,23.6,22.8,20,20.7,21.1,20.8,21.8,22.6,20.2
2001,21.2,23.3,23.7,21.5,21.1,19.8,18.7,19.8,21.5,22.6,20.8,20.7
2002,20.9,22.5,23.5,23.2,22.5,21,19.6,20.4,22.5,23.5,21.2,21.7
2003,21.2,22,23.1,23.2,22.6,21.1,19.6,19.9,21.2,22.9,22.2,22.6
2004,22.6,23.4,22.8,22.1,22.1,20.5,19.7,20.2,20.9,21.3,20.9,20.3
2005,20,22.7,23.2,23.1,21.4,20.6,19,19.5,21.4,21.9,21.5,22.2
2006,21.3,22.8,22.9,22.3,22.7,20,20,19.8,20.5,22.8,21.8,21
2007,21.4,22.2,22.4,22.3,22.1,20,18.7,19.4,22.3,21.8,21,21.5
2008,21.4,22.7,21.7,22.2,21.4,19.8,19.2,20.8,21.4,21.9,20.2,20.1
2009,20.9,22.3,23.2,23.1,21.9,20.9,19.6,21.2,21.9,23.1,21.5,22.7
