1901,19.1,20.4,20.8,21.2,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1902,19.4,20,21,21.1,21.2,20.8,20.6,20.8,20.5,20.6,20.5,19.5
1903,19.7,20.6,21.3,21.3,21.1,20.4,20.6,20.7,20.5,20.6,20.5,19.5
1904,19.4,20.2,20.8,21.1,20.9,20.7,20.6,20.2,20.5,20.6,20.5,19.5
1905,19.3,20,21.2,21.6,21.4,20.4,20.6,20.7,20.5,20.5,20.8,19.8
1906,19,20.4,21.6,22.4,21.1,20.9,20.5,20.5,20.8,20.8,20.7,19.8
1907,19.2,20.1,21.2,21.3,21.5,20.7,20.7,21,20.6,21,20.5,19.2
1908,19.1,20,21.1,21.5,21.5,20.4,20.7,19.9,20.6,20.5,20.3,19.3
1909,19.4,20.7,21.9,21.7,21.1,21,20.3,20.9,20.5,20.3,20.6,19.5
1910,18.8,20.2,20.7,20.8,21,21.6,20.8,20.6,20.7,20.6,20.5,19.5
1911,19,20.2,21.5,21.5,21.3,20.9,20.6,20.7,20.5,20.6,20.6,19.4
1912,19.6,20.8,21.7,22.1,21.7,21.5,20.8,21.1,20.7,20.6,20.4,19.5
1913,19.3,20.1,20.5,21,21.2,20.8,21,21.1,21,20.6,20.5,19.5
1914,20.3,20.4,21.4,21.6,21.7,21,21,20.8,20.8,20.8,21,19.6
1915,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1916,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1917,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1918,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1919,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1920,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1921,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1922,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1923,20.2,20.3,20.9,20.6,21.4,20.9,20.3,20,20.5,20.9,21,20.1
1924,19.7,21.7,21.2,21.2,21.5,20.8,20,20,19.7,20.6,20.4,19.3
1925,17.8,19.7,21,21.2,21,20.5,20.5,20.1,20.4,20.2,20.9,19.6
1926,19.9,20.4,21.1,21.1,21,20.6,20.9,21.1,21.3,21.3,21.3,20.2
1927,19.6,20.9,20.7,21.1,21.7,20.9,20.6,20.1,21.2,20.8,20.9,20.2
1928,19.7,19.6,20.8,20.6,20.8,20.4,20.6,19.8,20.6,20.7,20.7,19.2
1929,18.9,20.5,20.5,20.4,21.3,20.1,19.9,19.6,19.9,20.4,20.6,18.4
1930,19,21,21.3,21.5,21.3,20.7,20.5,20.8,20.8,21.1,21.2,21
1931,19.8,21.5,21,22.5,21.7,20.9,20.7,20.7,20.4,21.4,21.6,20.8
1932,19.4,21.1,22.5,22.2,21.5,21,20.6,20.9,20.6,21.2,21.3,20
1933,20,21,21.9,21.7,21,20.4,20.4,20.4,20.6,20.5,21.6,20.1
1934,19.5,20.4,21.3,21.3,21.3,20.9,20.8,20.5,20.9,21.4,21.8,20
1935,20.4,21.2,22.5,21.7,21.7,20.5,20.8,20.4,20.5,20.3,21.3,20.3
1936,19.2,21.3,22.6,20.9,21.2,20.6,20,19.8,20.1,20.8,21.3,19.5
1937,19.3,20.7,21.8,21.5,21.2,21.1,20.5,20.7,20.7,21.6,21.3,20.3
1938,19.8,21,21.5,22.2,22.2,21.6,20.9,20.4,20.6,21.1,21.9,19.3
1939,20.1,21.4,22.1,21,21.3,20.8,20.8,20.7,20.5,21.2,21.1,20.7
1940,19.4,20.5,21.3,21.4,21.2,20.8,20.6,20.6,20.5,20.6,20.5,19.5
1941,21.5,21.2,22.8,22.4,22.3,21.8,20.5,21,21.1,21.5,21,20.5
1942,21.1,22.2,22,22.2,20.9,21.5,20.9,20.2,21.1,21.2,21.2,20
1943,20,20.6,21.5,21.5,20.4,19.9,20.3,20.2,20.2,21.1,21.5,20.4
1944,18.7,20.5,21.6,21.2,21.4,21.7,21.2,20.3,20.9,21.1,20.8,20.5
1945,20.8,20.1,20.9,21.3,21,21.6,21,20,20.8,20.7,20.8,19
1946,20.9,20.6,21.7,22.2,21,20.5,20.5,19.9,19.7,20.2,21,19.4
1947,19.8,22.4,21.3,21.7,21.7,21.7,21.1,21.1,20.7,21.1,20.4,20.1
1948,19.8,20.4,20.4,21.3,20.9,20.6,20.3,20.4,20.8,20.5,20.3,19.8
1949,20,20.7,22.1,21.9,21.9,21.8,21,20.6,21.3,21,21,18.9
1950,20.2,19.6,21,21.4,21.4,22.1,20.3,19.6,19.9,20.1,20.3,20
1951,18.7,19.4,20.9,21.6,20.7,21,20.2,20.7,20,20.2,19.9,20.6
1952,19.4,19.8,20.9,21.6,20.8,21.1,19.8,19.9,19.7,19.9,19.2,19.7
1953,19,19.7,20.7,21,20.1,20.4,19.9,20.1,20,20.1,19.7,19.4
1954,19.2,19.6,20.7,21.7,20.2,20.7,20.2,19.6,19.7,19.8,20.1,19.8
1955,19,19.6,20.5,21.1,20.4,20.4,19.7,19.9,19.7,19.7,19.5,19.3
1956,18.4,19.9,21.3,21.3,20.4,20.4,20.3,19.7,19.4,19.3,19.4,19.5
1957,18.5,19.5,20.3,21.6,20.9,20.7,19.9,20.8,19.9,19.9,20,20.1
1958,19.7,19.8,21,22,20.8,20.6,20.4,20.5,19.7,19.9,20.2,20.2
1959,19,19.9,21,21.9,20.5,20.6,20.2,20.8,19.9,20.3,19.9,20.1
1960,19.1,20,20.6,21.3,20.5,21,20.1,21.4,20.1,20.2,20.1,20.4
1961,19.8,18.8,20.2,21.5,20.4,21.4,19.5,20.2,19.9,20,19.3,18.3
1962,17.9,20.1,21.5,21.8,20.6,20.7,20.7,20,19.9,20.2,20.9,20.3
1963,18.9,21.3,20.1,21.5,21,21.3,20.7,21.3,21.2,20.3,19.8,19.4
1964,19.7,19.5,21.4,22.1,20.8,20.5,20.4,19.8,20,19.1,19.4,20.1
1965,20,19.5,20.4,21.1,20.5,20.8,20.4,19.9,19.9,20.1,19.4,19
1966,19.6,19.2,20.9,21.6,20.5,20.8,21,21,20,20.1,20.2,19.3
1967,18.9,20.7,21.5,21.6,20.9,21.1,20.2,20.7,19.6,20.1,20.4,20.3
1968,19.3,19.7,21.1,21.1,20.6,20.6,19.7,21.1,21.1,20.9,21.2,20.8
1969,19.3,20.5,22.8,22.6,22,21.2,19.4,21.7,20.1,20.7,20.1,20.4
1970,19.9,20.6,20.9,22.3,21.1,21.1,20.7,20.9,20,20.2,20.6,18.5
1971,18.9,20.3,21.3,20.9,20.3,20.3,20.6,20,20,19.9,19.4,18.3
1972,19,20.4,21.6,20.8,21.5,20,21.1,20.9,20.8,20.8,20.1,19.8
1973,21.2,21.8,22,21,21.1,21.1,21.3,20.6,20.8,20.8,20.1,20.2
1974,19.6,20.7,21,21,21.3,21,20.3,20.6,19.9,19.8,20,18.3
1975,18.4,20.1,21.5,21.4,21,20.3,20.2,19.6,20.1,20.2,20.9,18.9
1976,19.5,21.2,21.5,20.9,21.3,20.1,20.6,19.9,20,20.8,20.8,19.5
1977,20.1,20.5,21,22,21.4,20.9,21.4,20.2,21,21,19.8,19.1
1978,19.2,21.4,21.7,20.8,21.5,20.2,20.5,20,20.6,21.1,20.9,18.4
1979,19.8,21.4,22.1,21.4,21.8,21,21.7,20.6,21.2,21.5,21.8,19.4
1980,20.9,21.6,22,22.1,21.8,21.1,20.9,20.8,21.1,21.1,21.4,18.4
1981,17.2,20,21.5,21.3,21.5,21.2,20.4,20.8,20.6,20.9,19.6,19.4
1982,19.7,19.6,21,21.2,22.3,20.7,20,20.5,20,20.3,20.2,19.4
1983,17.8,21.4,21.2,22,21.1,21.2,20.5,20.7,20.8,20.5,20.6,20
1984,19,20.5,21.3,20.9,21,20.2,20.8,20.8,19.9,20.3,20.5,19.1
1985,20.8,19.8,21.3,20.8,20.8,21,20.5,20.3,20.9,20.9,21.2,19.7
1986,18.9,21.1,21.4,21.4,21.1,20.7,20.1,20.5,20.8,20.4,21.1,19
1987,19.8,21.6,21.5,20.7,21.9,21.5,21.1,21.3,21.4,21,21.2,20.1
1988,20.2,20.9,22.2,21.5,21.3,20.5,20.6,20.7,20.7,21,20.6,20
1989,18.1,19.5,20.6,20.7,20.9,21.4,20.6,21.2,20.8,20.8,21.1,19.5
1990,21,20.4,20.3,21.7,21.2,21.8,21.1,21.2,21.1,21.3,22.2,21.8
1991,20.5,21.3,22.2,21.8,21.1,21.4,20.7,20.8,20.9,20.1,20.9,19
1992,17.8,20.1,21.7,22,21.1,20.5,20.5,20.9,20.3,20.2,20.3,19.5
1993,18.4,19.7,21.4,21.3,21.6,20.7,20.5,20.7,20.6,20.7,20.9,19.7
1994,19.5,20.5,21.6,22,21.2,20.6,20.4,21,20.1,20.6,20.9,19.4
1995,19.3,19.8,20.6,22.2,21.4,21.4,21.8,21.2,20.6,21.4,21,20.1
1996,21.2,22.2,22.5,21.2,19.9,20.7,21.1,20.7,20.9,20.9,20.5,19.6
1997,20,19.2,21.5,20.6,20.6,20.9,20.1,21.3,21.2,21,21.8,20
1998,19.4,21.6,22.6,22.7,21.9,21.8,21.3,20.3,20.9,20.9,21.6,20.2
1999,19.8,21.3,22.4,21.5,20.9,21,20.4,20.6,20.2,20,20.9,19.7
2000,19.7,20,21.5,21.3,21.8,20.8,20.4,21,20,20.6,20.9,19.2
2001,19.3,20.5,21.4,21.2,21.5,21,21.1,20.1,19.7,19.7,21.9,20.6
2002,19.2,20.8,21.2,21.4,21.6,21.2,21.1,21.2,20.7,19.9,21.3,20.2
2003,20.1,22.1,21.7,22,21.7,20.8,20.9,20.9,21.4,21.3,21.6,20
2004,20.1,20.6,22.1,21.8,21.2,20.7,20.5,20.8,20.9,21.1,21.2,20.8
2005,19.8,22.5,23,21.9,21.6,20.5,20.5,20.9,21.3,21.8,21,20.6
2006,20.7,21.2,21.2,21.7,21.7,21.5,21.4,21,20.8,21.2,20.8,19
2007,19.4,21.2,21.4,21,21.6,21,21.2,21.4,21,20.8,21.6,20.2
2008,18.9,20.1,21.3,21.2,21.1,21.2,20.9,21.3,21.2,21.3,21,21
2009,20.4,21.2,21.9,22.5,22.3,21.3,21.2,20.8,21.2,21.7,21.2,20.2
