1901,19.4,19.7,20.3,21.2,22.1,21.5,21,21.3,21.8,21.6,20.9,20.2
1902,19.4,19.7,20.1,21,21.7,21.4,21.1,21.2,21.6,21.5,20.8,20.2
1903,19.6,19.5,20.1,21.1,22.1,21.8,21.2,21.2,21.6,21.6,20.8,20.1
1904,19.4,19.3,20,20.7,21.8,21.4,20.9,20.9,21.5,21.4,20.9,20.2
1905,19.4,19.3,20,21.1,21.7,21.6,21.1,21.2,21.7,21.5,21.1,20.2
1906,19.3,19.4,20.1,20.9,21.9,21.4,21,21.3,21.7,21.7,21,19.8
1907,19,19.1,19.8,20.7,21.7,21.4,21.2,21.2,21.7,21.6,20.9,20.2
1908,19.4,19.4,20.1,20.9,21.9,21.6,21.2,21.4,21.7,21.6,20.8,20.1
1909,19.2,19.2,20.3,20.8,21.9,21.3,21.1,21,21.7,21.6,20.7,19.8
1910,19.2,19.2,20.1,20.9,21.7,21.5,21.1,21.2,22,21.6,21,20.3
1911,19.2,19.3,20,20.9,21.7,21.6,21.1,21.4,21.8,21.7,21.1,20.2
1912,19.5,19.6,20.3,21,22,21.5,21.3,21.3,21.8,21.7,21,20.3
1913,19.3,19.2,20,20.8,22.1,21.3,21,21.1,21.7,21.9,20.8,20
1914,19.3,19.3,20.2,20.9,21.8,21.4,21.1,21.1,21.8,21.7,21,20.4
1915,19.4,19.2,20.3,20.8,22.2,21.9,21.6,21.7,22.1,22.2,21.2,20.5
1916,19.4,19.3,20,21.1,22.2,21.7,21.3,21.2,21.8,21.5,20.8,19.8
1917,18.9,18.9,19.4,20.7,22.1,22.1,21.4,20.9,21.7,22,21.2,20.1
1918,19.1,19.2,19.7,20.6,21.9,21.8,21,21.6,22.4,21.6,20.8,19.7
1919,19.2,19.4,20,20.7,22,21.5,20.8,21.1,21.5,21.4,20.6,20.1
1920,19.2,19.4,20.1,20.9,22,21.3,20.9,21,21.5,21.4,20.8,20
1921,19.6,19.6,20.2,20.3,22.2,21.2,20.3,21.1,21.7,21.2,20.7,20
1922,19.1,19,19.5,20.8,21.2,20.9,20.9,20.9,21.6,21.7,20.6,19.1
1923,18.4,18.2,18.6,20.2,21.9,20.9,20.8,21.2,21.8,21.5,20.9,19.5
1924,18.8,18.9,20.2,21.3,22.4,21.2,20.6,20.7,21,20.9,20.4,19.5
1925,18.1,18.5,19.5,20.7,21.9,21.4,21.1,20.8,21.4,21.8,20.6,20.1
1926,19.1,19.4,20.2,21,22.5,22.8,20.9,21.2,21.2,21.3,20.7,19.4
1927,18.7,18.2,19.6,19.9,21.1,20.8,20.5,20.6,21.5,21.3,20.9,20.1
1928,18.9,18.7,19.4,20.2,21.5,21,20.6,21,21.5,21.4,20.9,19.5
1929,18.3,18.6,19.3,20.2,20.7,21,20.8,21.3,21.4,21.6,20.3,19.4
1930,19.1,19.2,20.2,20.9,21.9,21.4,21.1,21.2,21.7,21.6,21.1,20.3
1931,19.5,19.5,20.8,21.4,22.5,21.8,21.3,21.4,21.8,21.8,21,20.2
1932,19.3,19.2,20.2,21.4,21.9,21.6,21.1,21.4,22,21.8,21.1,20.3
1933,18.9,18.5,19.5,20.9,21.8,21.3,20.6,20.7,21.3,21.2,20.3,19.3
1934,18.2,18.2,18.9,20.3,21.7,21.9,20.8,21.3,21.3,21.2,20.9,19.9
1935,19.2,19.2,19,20.7,21.4,21.5,20.8,20.6,21.4,21.3,21,19.6
1936,18.9,19,20.1,20.7,22,21.4,21,21.1,21.6,21.3,20.7,19.7
1937,18.7,18.8,20.1,21.3,22.1,22.6,22.1,22.6,23.1,22.7,21.8,21.1
1938,19.2,19,19.3,20.1,21.2,21.4,21.3,21.9,22.6,22.2,21.7,21.2
1939,18.7,18.7,19.4,20.3,21,21.1,21.3,21.5,22.5,22.1,21.5,20.9
1940,19.8,19.7,20.3,21.5,22.6,22.2,21.7,21.7,22.8,22.3,21.6,20.3
1941,19.7,20,20.6,21.8,22.5,21.8,21.4,21.8,22.5,22.1,21.6,19.7
1942,20.1,20.4,20.5,21.8,22.1,22.1,21.3,21.5,22.1,22,21.7,20.5
1943,19.7,19.9,19.8,21.2,21.1,21.7,21.1,21.2,22.2,22,21.3,20.6
1944,19.9,19.6,20.2,21.5,22.3,21.6,22,21.9,22.1,22.2,21.4,20.6
1945,18.9,19.2,20,20.9,22.3,21.5,21.3,21.2,21.7,21.4,20.6,19.6
1946,19,19.1,19.9,20.9,21.1,21.4,21,21,21.7,21.6,21,20.2
1947,19.2,19.9,20.1,20.9,22.3,21.7,21,21.5,22,21.6,20.7,20
1948,19.8,19.6,20.2,20.9,22.5,21.8,21.2,21.1,21.9,22.1,21.2,20.3
1949,19,19.1,20.3,21,22,21.2,20.9,21.7,21.9,21.8,20.9,20.1
1950,18.7,19.2,19.6,20.8,21.4,21.2,21.1,21.3,22.1,21.8,21.3,20.2
1951,18.9,19.1,20,21.2,22,21.7,21.6,21.8,22.1,21.9,21.2,20.4
1952,19.7,19.4,20.2,21.5,22.5,21.8,21.6,21.8,22.4,22.6,20.9,20.5
1953,19.5,19.5,20.4,21.4,21.8,22.1,21.8,21.6,22.3,22.1,21.4,20.7
1954,19.6,19.5,20.2,20.8,21.7,21.1,20,21.4,20.9,21.3,20.5,19.5
1955,18.6,19.3,19.6,20.1,21.3,21.4,20.8,21.3,21.5,21.9,21,20.3
1956,19.8,19.5,19.5,21.3,21.2,21.1,21.5,21.1,22,22.3,21.3,20.7
1957,19.4,19.4,19.8,20.7,22,22.1,21.9,22.1,23.3,22.5,20.9,20.1
1958,19.4,19.2,21,21.9,23,22.3,21.7,21.6,22.9,22.2,21.1,20.6
1959,19.3,19.2,19.9,21.2,22.4,21.6,21.3,21.3,22.4,21.7,20.9,21.2
1960,19.7,19.8,20.1,21.5,22.7,22.1,21.6,21.9,22.5,22.1,21.3,20.8
1961,19.9,19.3,20.4,21.3,21.9,21.9,22.1,22,22.3,22.1,20.7,19.9
1962,19.3,18.6,20,20.7,22.7,21.6,21.1,21,22,22,21,19.9
1963,19.5,19.7,20.1,21.5,22.5,22.1,21.7,22.3,22.5,22.7,21.4,20.3
1964,18.4,19,19.8,21.2,21.5,21.5,21,21,21.4,21.2,20.4,19.5
1965,19.3,18.8,19.3,20.2,21.5,21.2,21.7,21.2,22,21.5,21.4,20.8
1966,19.6,19.2,20.1,20.8,21.9,21.5,21.5,21.4,21.6,21.6,21.4,20.7
1967,19.9,19.2,19.9,20.9,21.5,21.4,20.7,20.3,21.7,21.2,20.7,19.9
1968,18.9,19.2,19.8,21.3,21.6,21.4,20.6,21,21.8,21.6,20.6,20
1969,19.8,20.3,21.3,22.2,23.3,22.5,22,21.2,22.3,21.6,21.7,21.1
1970,20.2,19.8,20.6,21.2,22.5,21.7,21.3,21.3,21.6,21.9,20.7,20.7
1971,18.4,19.1,19.4,20.5,21.5,21.1,20.4,20.5,21.3,20.9,20.5,19.5
1972,19.1,19.3,20.4,21,21.5,21.5,21.6,21.2,22.6,22.4,21.1,20.7
1973,20,20,20.8,21.2,21.8,22.3,21.9,22.2,22.4,22.2,21.7,19.3
1974,20.3,20.7,21,20.3,21.4,21.4,20.7,20.8,21.7,21.8,21,19.2
1975,18.8,20.2,20.5,21.2,22.4,22.3,21.8,21.9,21.9,20.6,20.5,19.5
1976,18.9,19,19.1,20.5,21.2,20.7,20.6,21.7,21.9,22.1,21.3,19.9
1977,19.3,18.4,20.6,20.5,22.3,21.2,21.2,21.5,22.2,22,21.3,19.4
1978,18.3,18.6,20.6,22.1,22,21.6,21.5,21.2,22.2,22.1,21.6,19.8
1979,18.9,19,20.7,21.9,22.3,22.2,21.6,21.7,20.8,22.6,22.4,21.7
1980,20.8,20.8,21,22.1,22.5,22,21.8,22,22.9,22.2,20.9,21.2
1981,20.6,21.5,21.4,22.1,22.3,21.4,21.2,21.2,21.7,22,21.6,21.4
1982,20.1,20.4,20.4,22,22.9,21.6,20.7,20.3,21.6,20.9,20.4,20.3
1983,19.8,19.5,21.1,21.9,22.1,21.8,21.8,22.2,23.2,22.1,21.3,21
1984,20.7,20.9,21.5,21.8,21.7,22,21.6,21.7,22,21.6,20.2,20
1985,18.2,18,20.3,21.1,22.3,21.4,20.3,20.3,20.8,20.5,20,19.1
1986,18.7,18.8,19.7,21,21.2,20.6,20.5,21.2,21.6,21.3,20.4,19.3
1987,18.7,19.2,21.1,22,23.1,22.9,21.9,22.8,23.1,23.2,22.9,22.3
1988,20.7,21.2,21.6,22.7,23.5,23.5,22.8,22.8,23.3,22.7,21.4,20.4
1989,19.6,19.8,20.6,21,21.9,22.1,22.1,23,22.5,22.4,21.3,19.3
1990,19.9,19.5,20.6,22,22.5,22.3,21.6,21.2,22.5,22.6,21.8,20.6
1991,19.5,19.9,20.8,21.8,22.5,21.8,22,21.9,22,21.2,21.1,19.9
1992,19.7,19.9,20.3,22.2,23.4,22.3,21.4,21.3,21.6,21.9,21.4,20.4
1993,20.1,19.8,20.8,22.6,23.5,22.7,21.6,21.2,21.7,21.6,20.8,19.9
1994,19.4,19.5,20.5,21.1,21.8,21.3,21.3,21.4,22.6,21.8,21.1,20.3
1995,19.3,19.3,20.8,22.2,22.7,22.3,21.9,21.9,22.5,21.7,21.2,21
1996,19.3,20.6,20.5,21.4,21.9,21.6,22,21.6,22.5,21.9,21.3,21.1
1997,20.1,20.1,19.9,21.2,22.1,22.4,22.1,21.8,23.2,23,21.8,21.1
1998,20.5,21.5,21.5,23.3,23.1,22.8,21.9,22.7,22.9,22.5,22,21.4
1999,20.6,20.4,20.8,21.7,22.2,22.2,22,21.9,22.3,21.8,22.2,21.4
2000,20.5,19.9,20.2,20.7,21.1,20.8,21.1,20.8,22.1,22.4,21.5,20.8
2001,19.8,19.4,19.9,20.9,22.1,21.5,21,21.8,21,21.2,21.7,22.3
2002,20.7,20.5,21,21.8,22,22.1,21.7,22.8,23,22.4,21.5,21.4
2003,20.7,20.7,20.8,22.5,21.5,21.3,22,21.4,21.9,22.3,22,21.1
2004,20.4,19.2,20.8,22.1,21.7,21.2,21.6,21.7,22.4,21.6,21.4,21.7
2005,21.1,21.1,20.7,22.6,23.5,22.3,22,22.4,22.7,22.7,21.2,20.4
2006,19.3,20.2,20.7,21.8,23.2,21.7,21.2,21.8,22.5,22.6,21.6,21.9
2007,20.7,18.6,22.2,22.3,22.9,21.6,22.8,21.2,21.3,22.2,20.7,20.2
2008,20.9,19.8,20.3,21.1,22.3,23,22.3,21.8,23.2,22.3,22,21.8
2009,20.1,20.3,21.3,21.4,23.3,22.5,22.7,22.6,23.9,22.5,22.7,22
