1901,20.4,20.2,21.1,21.9,22.3,21.3,21.8,21.6,21.3,21.1,20.3,20.1
1902,20,20,21.5,22,22.4,21.3,22,21.1,21.9,21.3,20.9,20.2
1903,20.7,20.8,21.3,21.8,22,21.7,22,21.7,21.8,21,20.2,19.6
1904,20.4,20.2,21,22.1,22.3,21.3,21.8,21.5,21.3,21,20.4,20.2
1905,20.5,20.3,21.1,22,22.5,21.4,21.8,21.6,21.4,21.1,20.6,20.2
1906,19.9,19.6,20.8,21.7,22.3,21.1,21.9,21.6,21.6,21.1,20.6,20
1907,20.7,20,21.1,22,22.3,21.2,21.5,21.2,21.1,21,20.7,20
1908,20,19.8,21.1,22.5,22.6,21.4,21.8,21.5,21.2,20.7,20.1,20.2
1909,20.3,20.1,21.4,22.2,22.8,21.2,22,21.6,21.2,20.9,20.1,20.1
1910,19.8,19.7,20,21.3,22,21,21.6,21.5,21.2,20.8,19.9,19.3
1911,20.3,20.2,21.1,22.3,21.4,20.7,21.8,21.5,21.3,21.3,20.8,20.3
1912,20.5,19.3,21.3,22.7,22.3,21.1,21.7,21.5,21.2,21.1,20,20.4
1913,20.8,20.8,21.2,21,21.5,20.6,21.6,21.5,21,20.8,20.1,20
1914,20.1,20.1,20.1,21.8,21.7,20.8,21.9,21.8,21.1,20.8,20.2,20.4
1915,20.3,19.7,19.9,21.1,22.6,21.6,22.1,21.8,21.4,21,20.5,20.3
1916,21.1,19.6,20.5,21.5,22,20.9,22.1,21.4,21.1,20.7,20,20.2
1917,20.7,20,21.3,22,22.4,21.3,21.8,21.6,21.4,21.1,20.3,19.8
1918,20.1,20.5,21.2,22.1,22.1,21,22,21.6,21.3,21.5,20.6,20.1
1919,20,20.3,21.1,21.6,22,20.9,21.7,21.6,21.3,21.2,21,20.2
1920,20.7,19.9,21.1,22.7,22.4,20.8,21.6,21.4,21.3,20.9,20.2,20
1921,20.2,20,21.2,21.9,21.3,20.9,21.7,21.5,21.2,20.8,20.5,20.3
1922,20.7,20.4,21.3,22.6,22.3,21.2,21.8,21.8,21.4,21,20.6,20.3
1923,20.6,20.3,21.3,22.3,22.4,21.3,21.8,21.6,21.4,20.9,20.1,20.4
1924,20.6,19.5,20.9,22.3,22.6,21.5,22,21.7,21.3,20.9,20.1,20.5
1925,21,20.2,20.9,21.6,21.9,21.1,21.7,21.8,21.4,21.4,20.7,20.3
1926,20.4,20,21.1,22.2,21.9,21.3,22,21.6,21.5,21.2,20.2,20.5
1927,20.1,20.7,21,22.2,22.6,21.6,21.8,21.8,21.5,20.9,20.3,20.1
1928,20,20.4,21.1,21.8,21.8,21.6,21.9,21.7,21.6,21.2,20.3,20
1929,20.8,20.9,21.5,22.6,22.3,21,21.5,21.4,21.2,20.9,20.8,19.9
1930,20.7,20.1,20.9,21.6,22.2,21,21.6,21.7,21.3,21.1,20.1,19.7
1931,20.8,20.6,21.2,22.3,22.1,21.3,21.5,21.9,21.8,21.6,20,20.9
1932,21.3,20.8,21,22.2,22.6,21,21.5,21.6,21.8,21.1,19.5,20.6
1933,21.3,20.9,20.9,22.9,22.4,21.2,21.8,21.3,21.1,20.9,19.4,19.7
1934,20.8,19.8,20,22.5,22,20.9,21.8,22.2,21.8,21.2,20.7,20.6
1935,19.9,19.3,21,22.4,22.1,21.2,22,21.6,21.6,21.2,20.3,20.3
1936,21.7,21.2,22.2,22.5,22.4,21.4,21.9,22.2,21.7,21.6,21.1,20.2
1937,21.9,21,21.8,22.7,22.5,21.5,22.1,21.6,20.9,20.6,19.5,20.3
1938,20.4,19.8,20.8,20.8,21.9,20.8,21.4,21.2,21,20.5,20,19.2
1939,20.8,20,20.2,21.8,22.3,20.9,21.6,21.8,20.7,21.1,19.7,21
1940,20.3,19.5,21.1,21.5,22.1,20.9,22.1,22.2,21.6,20.6,20.3,20
1941,20.5,20.3,21.6,22.6,22.1,21.7,21.5,21.8,21.2,20.8,19.7,20.2
1942,19.4,20.7,20.8,22.1,22.9,21,21.4,21.1,20.7,20.5,19.9,20.1
1943,20.1,18.5,19.5,20.8,21.5,20.5,21.2,21,21.1,20.1,19.2,19.4
1944,19.5,19.7,20.9,21.7,21.3,20.5,21.8,21.5,20.7,20,19.5,19.4
1945,19.8,20.3,20.9,21.2,21.1,20.9,21.5,21,21,20.2,19.7,19.4
1946,20.4,19.6,20.4,21.7,22.6,21.4,21.2,21,20.7,20.2,20.4,20.1
1947,21.4,20,20.9,21.9,21.6,20.6,21.1,20.7,20.7,20.8,20.7,19.7
1948,19.9,19.6,20.9,20.9,21.9,20.7,21,21.1,20.8,20.7,20.7,19.7
1949,19.4,19.3,20.4,21.8,21.9,20.5,21.2,20.9,20.5,20.6,18.3,18.8
1950,19.7,18.7,20.1,20.6,21.3,20.4,21,20.8,21.1,20.2,18.9,18.6
1951,20.4,19,20.7,22.6,22.4,22,22.7,22.6,22.5,20.6,20.2,20
1952,20.4,19.4,19.7,21.8,21.2,21.1,21,22.9,23.1,20.7,22.2,19.3
1953,19.3,18.4,20.3,22.5,22.6,21.5,22,21.7,21.7,21.3,20.1,20.5
1954,20.4,18.8,20.8,21.7,21.7,20.3,20.9,21.1,21.2,19.6,22.1,18.7
1955,19.5,19.8,19.6,21.2,21.4,20.8,20.8,21,21.1,20,20.2,19.5
1956,19.4,20.3,21,22.3,21.9,20.8,21.1,21.4,21.5,21.1,19.4,19.8
1957,20.3,20.5,21,22.4,22.6,22.1,21.9,21.6,21.6,20.9,20.6,19.9
1958,20.8,20,22.6,23.2,22.9,21.8,22.8,21.7,21.4,21.6,21.3,21
1959,20.5,20.7,21.6,22.3,22.3,21.1,22.2,22.2,21.3,21.4,20.5,19.9
1960,20.5,20.9,21,21.9,22.4,21.1,21.7,21.4,21.4,21.2,20.9,19.3
1961,21.2,20.5,20.9,22.5,21.9,20.7,21.4,21.4,20.6,20.5,20.3,20.6
1962,20.1,19.1,20.8,21.7,20.9,20.4,21,20.8,20.8,20.4,20.3,20.2
1963,20.5,20.2,21.2,21.2,21.5,21,21.2,21.5,21.4,20.8,20.2,19.9
1964,21.4,21.1,18.9,22.9,22.7,20.4,20.1,20.7,20.9,20.3,20.6,20.5
1965,20.8,21.1,21.3,21.5,20.5,21.4,22.9,21.5,21.6,21.2,21.2,20.8
1966,19,19.6,23.6,24.1,24,21.4,22.7,23.1,22.7,21.3,19.8,19.8
1967,20.8,20,19.9,21.3,23.8,20.4,21.2,21.5,20.4,20.7,20.7,20
1968,21.3,18.7,19.6,20.7,20.4,19.4,21.4,21.8,20.1,19.9,19.1,20
1969,20.4,19.7,21.3,22,21.8,20.2,21.3,19.3,21,19.8,20.2,19.8
1970,19.7,20,20.2,21.9,21.9,21.3,19.8,19.5,20.2,20.6,19.2,19.9
1971,19.7,18.8,20,20,21,20.4,21.2,19.1,19.5,19.7,18.6,19.2
1972,19.8,19,19.4,21.2,20.8,20.9,22.5,22,21.9,20.7,20.7,21
1973,20.5,20.7,21.7,22.6,22.4,20.8,20.6,19.6,20.2,19.7,20.4,17.9
1974,20.4,18.7,20.4,22.2,21.1,20.3,21.4,21.6,19.8,20.7,20.5,20
1975,20.1,18.9,20.7,21.4,21.3,21.3,20.2,20.3,19.6,19.8,19.2,18.6
1976,19.7,19.1,20.4,20.4,21.9,20.6,23.6,22.7,22.8,20.8,20.7,21.2
1977,19.7,23.1,22.6,23.9,22.6,22.2,23.9,23,22.4,21.9,20.5,20.7
1978,20.2,20.6,21.8,22.7,23,22.8,21.5,22.6,21.9,21.4,22,20.9
1979,20.4,21.7,21.9,20.3,22.9,21.9,21.7,21.8,21,21.4,20.4,20.4
1980,21,20.9,22.5,23.2,22.4,22.1,21.8,20.6,21,20.5,19.9,19.9
1981,19.4,21.1,21.8,23.4,21.4,20.6,21.2,20.9,21.7,20.9,20.6,19.7
1982,20.3,20.6,20.8,21.3,20.7,20.9,22.4,24.5,22.7,22,21.7,21.1
1983,20.9,20.4,20.8,22,24.4,21.6,22.2,22,21.3,21.5,20.4,20.6
1984,20.8,20.1,21,22,23.4,22.1,20,21.3,20.8,21.5,19.2,20.6
1985,19.8,21.3,22.5,22.8,22.6,22.2,21.3,20.7,22,21,20.5,20.7
1986,20.5,18.2,19.7,20.9,22.3,22.7,23.3,23.3,22,21.2,21.3,20.8
1987,20.1,20.4,20.8,24,22.9,21.7,22.3,22.9,22.7,23.4,23,22.2
1988,22.6,22.5,22.5,22.9,23.5,21.7,21.9,21.2,22.3,23.2,21.3,20.7
1989,22.2,20.4,20.6,22.6,23.1,20.9,22.9,22.3,22.3,21.8,20.5,18.9
1990,21.3,20.4,21.4,22.6,23.7,23,21.9,23.1,22.6,21.4,21,20.8
1991,21.2,20.8,21.9,22.4,23.3,22.8,23.6,22.6,22.8,22.2,20.7,20.8
1992,21,20.4,22.3,23.2,23.8,22.9,22.7,22.4,21.2,22.1,21.8,21.7
1993,21,20.6,22,22.7,22.2,23.2,22.6,21.8,20.9,22.7,21.4,20.4
1994,21,20.9,22,22.8,23,23,22.5,23,22.6,21.7,20.8,21
1995,21.2,20.3,21.8,22.8,22.3,21.8,22.5,22.2,21.5,22.1,20.6,20.6
1996,19.6,19.5,20.2,22.5,22.8,21.8,22.5,21.4,22,21.7,20.1,20.6
1997,20.4,20.8,22,22.8,23.7,22.4,23.1,23.1,22.5,22.4,21.5,21.7
1998,20.9,20.7,22.3,23.4,24.2,22.7,22.5,22.5,22.4,22.1,21.1,20
1999,20.2,19.4,21,21.8,22.4,21.8,22.1,21.6,21.2,21.2,19.7,19.9
2000,19.7,19.5,21.3,21.9,22.4,21.8,22.1,22.2,21.8,21.9,21.2,20.5
2001,20.5,21.4,21.2,23.1,23.2,21.8,22.8,22.8,21.1,22.3,21,21.2
2002,20.9,21.3,22.4,22.7,22.7,21.9,22.9,22.1,22,21.6,20.7,21.5
2003,20.2,22,22.2,22.5,23.3,21.5,22,22.4,22.3,22.1,21.6,19.4
2004,21.2,21.6,22.4,23.3,23,22.5,21.8,21.7,21.8,22,20.9,20.7
2005,20.7,20.4,22.6,23.2,23.1,22.1,22.7,22.4,22.1,21.2,20.7,20.9
2006,21.5,20.3,21.6,22.8,23.1,21.4,22.3,22.7,22.2,22.5,20.8,21.3
2007,21.3,20.1,20.5,22.6,22.8,21.7,22.2,22,21.3,20.9,19.6,20.1
2008,20.7,20.7,22.4,23.3,24.1,22.7,22.6,22,22.9,21.6,20.1,21.4
2009,21.9,20.8,20.9,24.2,23.2,22.4,23.4,22.1,22.7,22.4,21.8,22.7
