1901,20.2,19.7,22.1,25.1,26.9,27.6,27.5,27.1,25.9,24.4,22.5,20.4
1902,20.1,20.5,23.2,25.5,27.5,27.9,27.6,27.5,25.9,24.5,23.1,21.7
1903,19.7,19.9,23.3,25.9,26.8,27.5,27.3,27,25.2,24,21.4,18.7
1904,18.4,20.3,21.8,24.6,26.5,27.4,27.3,27.4,26.1,24.5,22,19.6
1905,21.4,20.1,21.3,24.8,27.1,27.7,27.6,27.7,26.1,24.5,22.8,22.8
1906,20.5,21.5,22,25.5,27.4,28.3,27.9,28.1,26.5,24.1,21.7,20.9
1907,20,20.4,21.8,24.6,26.4,27.3,27.6,27.3,26.1,24.9,23.1,19.5
1908,20.2,20,21.3,24.5,26.6,27.4,27.5,27.4,26.1,24.5,22.1,20.6
1909,19.9,20.8,22.1,25,26.2,27.9,27.4,27.7,26.5,24.8,22.3,20.3
1910,20.5,20.1,21.6,24.6,27.2,27.8,27.6,27.6,25.5,24,22.3,19.1
1911,19.1,20,22.2,24.9,26.7,27.9,27.5,27.8,26.3,24.2,23.3,21.7
1912,19.5,20.6,23.1,25.2,28.3,28.4,27.5,27.1,25.7,24,21.5,20.1
1913,19.1,20.6,22,25.5,26.2,27.4,27,27.1,25.9,24,21.9,20.1
1914,19.3,21,22.8,25.6,27.9,27.7,27.2,27.2,25.7,24.1,22.6,21.2
1915,19.6,21.8,22.6,25.9,26.7,28,27.7,27.8,25.7,24.5,21.9,19.1
1916,18.7,20,21.9,25,26.9,27,27.6,27.4,25.5,23.7,21,19.5
1917,18.8,20.1,21,25.2,26.7,27.3,27,27,25.7,23.6,21.4,19.1
1918,17.7,19,21.4,24.3,26.3,27.4,27.8,27,25.9,24.4,22.8,21.7
1919,20.2,20.4,23.3,25.6,27,27.5,27.2,27.3,25.7,23.7,21.8,20.5
1920,18.3,20.2,22,24.8,27.1,27.6,27.3,27.6,26,23.8,22.8,21.1
1921,18.8,19.9,22.1,24.9,26.5,27.5,26.8,27.2,25.3,23.8,21.5,20.5
1922,19.9,20.9,21.4,25.1,27.3,27.7,26.9,27.3,26,23.9,21.5,19.7
1923,19.1,19.3,21.8,24.3,26.2,27,26.7,26.6,25.6,23.8,22.8,21
1924,20.1,20.4,21.9,24.4,27.3,27.4,26.6,27.2,26.8,24.4,22.5,19
1925,19.2,19.1,21.9,23.3,26.9,27.3,27.3,27.4,26,23.6,22.7,19.5
1926,19.8,20.6,21.9,25.3,27.4,27.3,27.4,27,26,23.6,22.1,20.6
1927,19.4,20.2,21.9,23.9,26.1,27.4,27.1,27.1,25.6,23.6,22.7,21
1928,21.7,19.7,23.5,24.8,27.2,27.5,27.7,27.6,25.6,22.8,21.6,21.9
1929,21.2,20.8,21.8,24.5,28.5,28.3,27.2,27.1,25.8,24.3,21.8,21.9
1930,17.4,20.3,21.1,26.4,27.3,28.3,27.1,27.2,25.4,24.1,23,21.4
1931,20.9,21.5,23.4,26.9,27.8,28.5,27.8,27.2,25.6,22.5,21.7,20.8
1932,19,19.4,20.9,25.4,28.1,28.2,27,27.5,25,23.7,22.3,19.9
1933,17.5,21.6,21.7,25.7,27.6,28.5,27.3,27.6,25.9,23.8,21.2,21
1934,18,19.3,21.2,23.8,27.1,28,26.7,27.1,25.8,22.6,22.6,20.3
1935,20.6,21.5,23.4,25.8,26.8,28.4,27.4,27.4,25.1,24.5,23.2,20.2
1936,18.8,20.6,20.2,25.9,27,28,27.4,26.9,25.7,23.1,22.5,21.7
1937,20.5,20.9,24.1,25.9,27.1,27.6,27.2,27.1,25.4,23.9,21.9,21.2
1938,20.2,20.2,21,24.5,26.7,27.9,27,26.9,25.6,23.8,21.9,21
1939,19.5,21.1,23,24.4,26.4,27.6,27.5,27,25.6,24.1,22.9,18.3
1940,18.8,20.7,22.4,24.2,27.1,28.1,27.9,26.7,26.1,24.7,23,22.1
1941,23.2,22.6,22.7,25.4,27.5,27.8,28,27.5,25.8,24.2,22.8,21.4
1942,19.7,21,23.2,25.5,27.1,28,27.4,27,25.3,23.9,22.4,20.8
1943,19.2,20.7,22.8,24.6,27.3,28.1,27.7,27.3,26.5,24.9,22.4,20.4
1944,20.8,20.7,22.7,25.7,26.8,27.8,27.8,27.2,26.2,24.5,23,18.6
1945,19.2,18.8,21.6,24.5,25.9,27.5,27.6,27.5,25.8,23.2,23.4,20.6
1946,19.9,21,23.2,25.6,26.8,28.2,26.8,26.8,25.7,23.8,22.7,20.9
1947,22.7,20.3,21.7,23.6,27.1,27.6,27.3,27.3,25.9,23.6,21.7,20.4
1948,19.8,21.7,22.6,24.2,26.7,27.4,27.1,27.1,26.4,25,21.3,22.4
1949,18.9,21.2,23.3,25.2,27.8,28.2,28,27.7,26.2,24.5,22.5,21.7
1950,21.4,20.4,23.1,24.6,26.9,27.4,27.6,27.4,25.8,24.3,22.6,19.4
1951,19.4,21,21.5,25.1,26.5,27.3,27.5,27.5,26.4,24.6,22.9,20.8
1952,20.4,22,23.9,25.3,27.9,28,27.9,27.3,25.9,24.3,22.8,19.2
1953,20.1,20.8,23.4,24.1,27,27.8,28,27.8,26,25.4,22.9,20.7
1954,22,21,20.6,25.6,27.3,28.3,28.4,27.9,25.8,24.1,22.4,19.9
1955,17.9,21.5,23.3,24.6,27.3,27.6,27.7,27.6,26.4,24.3,21.5,20.3
1956,18.3,21.4,23.2,25.4,27,27.6,27.7,27.2,26.1,24.1,21.3,19.3
1957,19.7,19.1,21.4,24.9,27.3,27.6,27.5,27.5,25.9,23.8,22.9,21.8
1958,20.1,19.7,23.8,26.1,28,27.6,27.5,27.2,25.7,23.5,21.4,20.3
1959,19.6,21.7,21.1,25.4,27,28.8,27.5,27.2,25.7,23.7,23,22.1
1960,20,20.3,23.9,24.9,26.9,27.5,27.5,27.5,25.8,24.1,23.1,20.2
1961,18.8,20.3,23.1,25.1,26.5,27.6,27.6,27.5,25.7,24.2,22.8,21.7
1962,18.1,19.7,21.7,24.5,27.1,27.5,27.7,27.6,25.9,24.4,22.1,20.1
1963,16.3,19.3,21.4,25.1,27.6,27.3,27.2,27.5,26.3,24.6,23.8,20.6
1964,20.8,19.5,22.1,25.9,26,27.4,28,27.3,25.9,24.7,21.3,19.7
1965,18.7,21.8,21.8,24.9,26.7,27.2,27.2,27.5,24.9,24.8,23.3,21.6
1966,21.7,22,23.4,25.2,25.8,27.7,27.5,27.2,25.2,25,22.7,22.3
1967,18.3,19.1,22.4,24.6,27.2,27.7,27.3,27.3,25.2,23.1,22.8,19
1968,19.8,18,21.7,24,26.8,27.3,28.1,27.3,25.7,23.7,22.9,22.5
1969,21.5,20.2,22.1,25.1,27.4,27.6,27.3,27.7,26.3,24.6,21.4,19.4
1970,19.1,21,21.9,24,26.7,27.9,27.4,26.6,25.4,23.1,21.7,21.2
1971,17.9,19.2,21,24.7,27.4,27,27.3,27.2,26.3,23.2,20.8,20.5
1972,18.3,20.4,21.3,23.2,27,27.5,27,26.5,25.8,25.2,23.3,21.5
1973,20,22.6,24,26.5,27.8,28.1,27.7,27.6,26,23.8,21.5,19.6
1974,19.1,19,20.7,24.2,26.9,27.4,28,27.3,26.4,23.8,21.7,20.4
1975,19.8,21.1,23,25.3,27.2,27.2,27.7,27.1,26.3,23.9,21.6,18.2
1976,18.5,21.2,21.5,25.1,26.9,27.3,27.3,27.3,25.6,24.3,20.7,20.6
1977,19,18.3,21.8,25,27.4,29,27.6,27.6,25.4,24.5,22.4,21.9
1978,20.8,20.7,23.2,24.5,26.3,27.7,27.4,26.8,25.2,23.2,22.4,21.6
1979,21.9,22.4,23.7,24.7,26.1,27.5,27.8,27.3,25.8,23.3,22.1,21.5
1980,21,20.1,24.2,25.6,26.8,27.7,27.6,27.7,25.5,24.4,22.8,21.2
1981,19.4,21.7,23.3,25.4,26.5,27,27.2,28,26.9,24.3,22.5,19.3
1982,19.8,21,23,23.8,26.6,27.3,27.5,27.3,25.5,24.9,23.7,19.4
1983,19,20.6,21.6,26.7,28.4,28.1,28.8,28,27.1,24.7,21.8,20
1984,17.9,19.3,21.5,26,26.4,27.3,27.5,27.1,25.5,24.1,22.7,20.5
1985,19.5,21.5,20.9,23.1,26.6,27.4,27.1,27.1,25.2,24.3,23.6,20.8
1986,19.2,20.8,21.6,25.2,26.5,27.6,27.4,27.6,26,24.4,22.2,20.9
1987,20.6,21.8,24.2,25.2,27.3,28.1,28,28.1,26.3,25.7,23.4,19.2
1988,21.4,21.5,21.7,23.6,27.4,27.8,28,27.4,26.6,23.4,21.2,20.5
1989,20.4,20.2,21.5,25.6,26.9,27.6,27.9,27.9,26.6,24.5,22.7,20.9
1990,20.9,21.2,21.7,25.5,26.1,27.8,27.8,28.2,26.4,24.5,23.2,21.9
1991,21.9,21.8,23.8,26.4,27.8,28,27.9,27.5,26.6,24.3,22.5,21.7
1992,19.5,20.6,23.4,26.5,28.1,28.1,27.7,27.7,26.5,23.6,22.4,22.1
1993,19.5,21.5,22.9,25.3,27.5,28.6,27.9,27.7,26.4,24.6,23,20.7
1994,21.1,22.2,21.8,26.4,28.2,27.8,27.6,27.8,26.3,24.4,23.5,23.1
1995,20.4,20.3,22.3,26.6,27.6,28.6,28,28.2,26.5,24.8,22.5,20.8
1996,20.9,19.1,22.8,24,26.4,28.3,28.3,28.1,26.1,25,23.5,20.7
1997,20.3,20.2,22.7,24.6,27.1,28,27.9,28,26.2,25.8,24.3,22.9
1998,22.2,22.4,24.2,26.2,27.9,28.9,28.4,28.4,26.9,25.5,23.8,21.5
1999,20.4,21.6,23.3,25.3,26.3,27.8,28,28.2,26.7,25.3,23,19.3
2000,21,20.3,22.5,25.4,26.8,27.7,27.9,28.4,26.5,24.9,22.4,22.3
2001,22.1,21.3,22.6,26.8,27.4,27.8,28,28.1,27,25.7,22,21.4
2002,20.7,22.1,23.6,26.2,27.3,28.4,28.2,27.7,25.9,25,23.6,22.7
2003,20.3,22.4,22.9,26.6,27.9,28.3,28.3,28.3,26.4,25.3,23.8,21.2
2004,21.4,20.4,23,25.5,27.8,28,28.1,28.2,26.7,24.8,23.7,21.9
2005,20.9,22.6,21.6,25.7,27.4,28.6,28.3,28.1,27.5,23.6,24.2,20.9
2006,20.9,22.1,22.5,25.8,27.4,28.4,28.6,27.8,26.7,25.4,24,22.3
2007,20.1,22.3,23.6,24.8,26.4,27.1,28.1,26.8,26.3,24.4,21.7,22.4
2008,19.9,17.6,21.9,25.6,26.1,27.3,28.2,27.5,26.5,25.5,22.8,21
2009,18.8,23.2,22.8,24.9,26.6,27.9,27.8,28.3,26.7,25.3,22.5,22.1
