1901,19.7,18.2,19.5,19.8,20.9,21.7,21.8,22.2,21.5,21.1,20.3,20
1902,19.6,18.7,18.7,19.1,20.1,21,21.7,22,21.5,21,20.1,19.4
1903,18.9,20.2,20.3,19.1,20.4,20.9,21.7,21.6,21.5,20.7,20.3,20.2
1904,19.9,19,19,19.6,20.5,21.3,21.7,21.6,21.9,21.5,20.1,20.1
1905,19,18.4,19.4,20.2,21.2,21.2,22,22.4,21.3,20.9,20.8,19.9
1906,19.5,19.5,19,20.3,20.9,21.8,22,22.4,22.4,22.2,21.1,20.4
1907,20.1,19.6,18.6,19.2,21.2,22.1,22.2,22.1,22.2,21.7,21,20.6
1908,19,18.6,19.5,19.2,20.4,20.6,21.3,21.7,21.5,21.2,20.4,19.9
1909,19,18.4,18,19.5,20,21,21.1,21.5,21.5,21.4,21.3,20.4
1910,19.2,18.4,18.7,19.2,19.7,20.4,21.2,22.2,22.1,20.7,20.6,19.7
1911,18.7,18.5,18.9,19.7,20.3,20.8,21.5,22.1,21.5,21,20.4,19.5
1912,19.4,19.2,18.1,19.2,20.2,20.8,21.5,22.4,21.8,21.6,20.7,20.4
1913,19.3,19,19.2,19.4,20.5,21.1,21.7,22.4,21.7,21.2,20.8,20.1
1914,18.5,19.4,19.1,19.7,20.6,21,21.2,22,22.2,22,21.2,19.1
1915,19.1,18.1,19.2,19.7,21.6,21.8,22,22.6,22.4,21.4,21,20.5
1916,19.6,18.5,19.9,20.2,20.8,20.8,21.2,21,21.4,21.1,20.4,19.7
1917,19.2,19.1,18.9,19.1,21.5,21.7,21.7,21.9,21.5,22.2,21,21
1918,20.2,20,19.8,20,20.7,21.2,22.2,22.8,23,22.4,21.4,20.3
1919,19.2,19.3,19.3,20.4,20.8,21.9,22,22.4,22.1,21.9,21.2,20.7
1920,20,19.9,19.2,20.1,22,22.4,22.8,22.9,22.2,21.6,20.7,20.6
1921,19.4,20.4,19.8,20.9,21.5,22.2,22.3,22.5,22,21.9,20.7,20.3
1922,19.1,18.9,19.1,20.2,20.7,21.5,22.7,22.4,22.2,22,21,21
1923,19.5,19.1,19.3,20.2,21.2,21.4,22.1,22.6,22.8,22.2,21.1,20.2
1924,18.9,19.9,19,20.1,20.8,21.6,21.6,21.9,22.2,21.6,21.1,21
1925,19.9,20.2,19.2,19.3,20.6,21.6,22,22.4,22.2,22,21.2,20.9
1926,20.3,20,19.5,19.7,21.4,22.1,22.8,22.7,22.9,22.3,21.8,21.1
1927,20.2,20.3,19.8,20.5,21.3,22,22,22,22.2,21.9,21.4,20
1928,19.5,18.4,20.1,20.4,21,21.4,21.8,22.2,22,21.7,20.9,19.8
1929,19.3,19,19.9,20.3,21.3,21.9,22.5,22.6,22.7,22.1,20.6,19.6
1930,19.2,19.8,19.5,19.2,21,21.6,22.4,22.9,23.1,22.3,21.7,21.1
1931,20.2,19.7,20.1,20,21.5,22.4,22.1,22.8,22.3,22.4,20.9,19.7
1932,20.1,19.4,19.9,20.1,20.7,21.2,21.9,22.4,22.3,22,21.5,20.5
1933,19.5,19.4,19.3,19.3,20.5,20.8,21.3,21.3,21.4,21.3,20.4,21
1934,20.4,19.9,19.7,19.1,21.4,22.1,22.5,23.2,22.8,22.4,21.9,21.3
1935,20,19.3,19.6,19.8,21.6,21.4,22.4,22.5,22.4,22.5,21.6,21.3
1936,20.6,20.4,19.6,20.3,20.6,22,22.3,22.5,22.5,22.6,21.1,19.9
1937,19.4,19.2,19,20.4,21.5,22.3,22.3,22.8,22.7,22.7,21.8,21.3
1938,20.9,21.2,20.4,20.6,21.1,22.3,22.6,23,22.7,22.6,21.3,20.6
1939,20.1,20.8,19.5,20.1,21,21.1,21.6,22.2,21.9,21.7,20.4,20.4
1940,20.3,20,20.1,21.2,22.1,22.4,22.7,23,22.8,22.7,21.7,20.8
1941,20.6,19.6,19.1,20.1,20.7,22,22.3,23.3,22.8,22.2,21.3,19.8
1942,19.9,19.7,18.2,19.1,21.2,21.5,21.9,22.1,22.1,22,21.7,21.6
1943,20.5,19.8,19,20.4,21.1,21.8,22,21.9,22.1,22,21.2,20.9
1944,20.6,19.5,19.3,20.4,20.8,21.1,21.6,21.5,21.7,21.2,21.1,20.3
1945,20.2,20.4,20,20.2,22,22.3,22,22.7,22.3,22,21.6,20.2
1946,20.5,19.8,19.9,19.7,21,21.9,22.2,22.6,22.6,22,21,19.9
1947,19.1,19.7,19.5,20.3,20.8,21.7,21.8,22.1,22.2,22,21.1,20
1948,19.1,19.3,19.2,20.3,21.2,21.8,22.1,22.6,22.2,21.6,20.6,19.5
1949,19.1,19,18.7,19.1,20.6,21.5,21.6,22,21.6,21.3,20,19.9
1950,20.4,20.3,20.1,19.8,21,21.5,22,22.8,22.4,22,21.3,19.9
1951,20.1,19.4,20.1,20.1,21.4,22.1,22.7,22.8,22.8,22.2,21,20.1
1952,19.6,19.7,19.4,19.4,20.2,21.2,21.7,22.1,21.8,21.9,21.3,20.1
1953,20.1,19.5,19.4,20.1,21.2,21.7,21.8,22.6,22.1,21.6,20.6,19.9
1954,19.7,19.7,19.1,20.6,21,22.2,22.2,23,22.6,22.1,21.7,19.5
1955,19.4,18.7,18.7,19.7,20.4,20.8,21,21.5,21.2,21,20.7,20.3
1956,20.6,19.2,19.9,20.3,20.9,21.5,22,22.5,22.2,21.9,21.1,20.5
1957,19.9,18.7,19.1,19.8,21,22.3,22.6,22.8,22.9,22.6,21.7,20.4
1958,19.8,19.6,19,20,20.7,21.9,22.5,23.2,22.7,22,21.2,19.9
1959,20.4,19.7,20.3,20.5,21.4,22.3,22.7,23.1,22.5,22.2,21.2,20.1
1960,19.3,19.4,19.7,20.3,21.5,22.2,22.7,22.8,22.6,22.4,20.9,20.4
1961,20.3,20.4,20.4,20.7,21.7,22.3,22.4,23,22.6,22.5,21.3,20.3
1962,20.7,19.6,19.7,21,21.3,22,22,22.6,22.1,21.8,21.3,20
1963,20,20.7,20.3,21.1,21.3,22,22.5,22.8,22.8,22.3,21.6,21.1
1964,20.8,19.7,19.8,20.2,20.8,22.3,22.3,22.6,22.4,21.7,21.2,21.3
1965,20.3,18.3,19.1,20.5,21.9,22,22.4,22.8,23.2,22.3,21.4,19.6
1966,19.4,19.2,19.9,19.9,22,22.5,22.9,23.3,23.3,23,22.3,21.5
1967,20.3,21.1,21,21.1,23.1,23.3,23.7,23.5,23.4,23.2,22.1,21.2
1968,20.7,21.3,21.1,21.2,22.4,23.1,23.2,23.4,23.2,23.4,22.6,21.1
1969,19.5,20.5,20.3,20.6,21.8,22.6,22.9,22.8,22.1,21.7,21.5,20.4
1970,20.2,19.3,19.8,20.5,21.6,21.7,22.7,22.8,22.5,22.7,21.7,20.7
1971,20,20.8,19.3,20.8,21.5,22.6,23.1,23.4,23.3,22.7,22,20.4
1972,19.5,19.5,20.6,20.7,21.3,22.4,22.6,23.4,23.3,22.7,21.2,20.2
1973,20.6,19.6,20.6,20.4,21.4,22.2,23,23.4,23.5,22.6,22.2,21.4
1974,21.7,20.8,20.9,21.3,21.7,22.6,22.7,23.2,23.6,23.2,21.5,21.2
1975,20.2,20,19.7,20.4,21.4,22.1,22.6,22.9,22.6,22.2,21.7,20.7
1976,20.5,19.8,20.1,20.4,21.5,21.6,22,23.1,23.2,22.9,21.4,21
1977,21.5,21.4,21.2,21.3,21.9,22.7,23.2,24,23.7,23.2,22.1,21.6
1978,20.7,20.5,20.8,21.1,22.5,23.3,23.9,23.1,22.8,22.3,21.4,20.1
1979,19.3,19.3,20,21.3,21.9,22.4,22.6,23.2,23.6,23.4,21.7,21.5
1980,20.5,20.9,20.5,21.5,23,23.3,23.6,22.6,22.8,22.3,21.7,21.8
1981,21.1,21.1,20.6,21.1,21.6,22.8,23,22.9,23.2,22.3,21.9,20.9
1982,20.6,20.4,19.6,20.1,21.4,23,23.6,23.8,23.3,22.4,22,20.5
1983,20.1,20.1,20.4,20.4,21.2,22.2,22.2,22.5,22.3,21.9,21.7,21.2
1984,21.2,20.7,21.5,21.5,22.2,22.7,22.7,22.9,23.1,23.4,22.3,20.5
1985,19.6,20,19.6,19.7,20.8,22.3,22.9,23.3,22.9,22.3,21.3,20.4
1986,20.2,20.9,21.6,21.6,22.6,23.4,24,24.4,24,23.2,22.5,21.2
1987,20.5,19.5,20.1,20.6,21,22.7,23.4,24.2,23.9,23.3,22.3,21.4
1988,20.6,20.7,20.6,21.1,22.3,22.6,23.2,23.4,23.6,23.8,23.1,22.1
1989,20.9,20.3,20.8,20.2,21.7,22.7,23,22.8,22.6,22.4,21.4,20.1
1990,20.8,19.5,19.9,21.2,22,22.4,22.7,23.5,23.5,23,22.2,20.8
1991,20.5,20.8,20,21.1,22.3,22.9,23.6,23.9,23.8,23.4,22.8,21.4
1992,20.9,20.1,20.5,21.2,22.4,23.1,23.1,23.7,23.8,23.5,22.2,21.7
1993,19.7,19.2,20,21.3,21.5,22.8,22.9,23.6,23.5,22.8,21.4,20.9
1994,19.7,20.2,20.2,21.1,22.4,23.1,24.1,24.4,24.2,23.4,22.2,21.2
1995,20.7,20.4,21.2,21.2,22.3,23.1,23.7,23.7,23.8,23.1,22.4,21.9
1996,21.1,20.3,19.8,21.8,22.9,23.5,23.8,23.9,23.7,23.7,22.3,21
1997,20.5,20.7,20.9,21.3,22,23.3,23.7,23.8,23.6,22.9,21.6,21.4
1998,20.3,19.9,20.6,20.3,21,22.1,22.6,23,22.6,22.1,21.4,20
1999,19.6,19.2,19.8,20,21.2,21.7,22.1,22.4,22.1,21.9,21.2,20.6
2000,19.4,20.2,20.4,20.2,21.9,22.8,22.9,23.1,22.8,22.7,21.4,20.7
2001,20.7,20.1,20.1,20.5,21.3,22,22.8,23.2,23.2,22.5,21.8,21.4
2002,20.7,19.6,20,21.2,22,22.8,23.2,23.6,23,22.9,22.1,21.3
2003,20.6,20.3,21.1,20.9,22.1,23,23.7,24,23.7,23.5,22,21.3
2004,20.9,21.3,20.9,21.4,22.8,23.2,23.8,24.1,24,23.4,22.3,21.2
2005,20.7,20.4,20.7,21.7,23.2,23.2,23.8,23.7,23.5,22.1,21.8,21.1
2006,20.6,19.6,20.3,20.4,20.8,22.6,23.1,23.2,22.7,22.8,22.6,21.3
2007,20.5,19.8,20.5,21,22.3,22.9,23.4,23.6,23.3,22.5,21.9,21.2
2008,20,20.3,21,21.1,22,22.7,23.4,23.2,22.6,22.2,21.5,20.9
2009,19.7,19.4,19,19.3,22.1,23,23.1,23.1,22.8,23.1,21.8,20.9
