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