1901,20.4,20.9,24,27.1,28.8,29.1,29,28.5,27.9,26.2,23.6,20.7
1902,20.5,21.4,25,27.5,29.4,29.4,29.1,28.8,27.9,26.3,24.2,21.9
1903,20.2,20.8,25.2,28.1,28.7,28.9,28.8,28.2,27.2,25.9,22.4,18.7
1904,18.7,21.1,23.5,26.5,28.3,28.9,28.7,28.7,28.1,26.5,23,19.6
1905,21.9,21.2,23,26.9,29,29.2,29.2,28.9,28.1,26.5,23.9,23.3
1906,21.1,22.5,23.8,27.6,29.4,29.9,29.5,29.4,28.6,26,22.8,21.2
1907,20.5,21.3,23.4,26.6,28.3,28.7,29,28.6,28,26.9,24.2,19.5
1908,20.6,20.9,23.1,26.7,28.4,28.9,29,28.7,28.1,26.4,23,20.8
1909,20.4,21.7,24,27.1,28,29.4,28.9,29,28.5,26.9,23.4,20.4
1910,21.1,20.9,23.2,26.7,29.2,29.2,29,28.9,27.5,25.9,23.4,19.2
1911,19.6,21.1,24.2,27,28.5,29.6,29,29.1,28.4,25.9,24.4,21.9
1912,19.9,21.5,24.9,27.2,30,29.7,28.7,28.3,27.2,26,22.4,20.2
1913,19.5,21.9,23,27.4,27.4,28.8,28.5,28.2,27.7,26,22.8,19.9
1914,20.3,22.1,24.5,27.6,29.4,28.9,29.2,28.3,27.7,26.1,23.2,21.4
1915,20.1,22.4,24.1,27.7,28.1,29.1,28.8,29,27.8,26.8,22.9,19.7
1916,19.4,20.9,23.1,27,29.1,28.6,28.9,28.6,27.6,25.6,22.2,20
1917,18.9,21,22.3,26.9,28.3,28.6,28.5,28,27.9,25.9,22.7,19.4
1918,18.3,20.7,23.7,26.6,27.8,28.7,29.1,27.9,28.2,26.7,23.8,22.4
1919,20.7,20.8,25.6,27.7,28.7,29.2,29,28.9,27.6,25.6,22.9,20.7
1920,19.2,20.4,23.9,26.8,29.1,29.1,29,28.3,28.2,25.7,24,21.2
1921,18.9,20.9,23.8,27,28.3,28.9,28.3,28.6,27.1,26,22.8,21.4
1922,20.5,22.6,23.3,27.3,29.8,29.4,28.7,28.7,28,26,22.7,20.1
1923,20.2,20.5,24.5,26.8,28.3,28.7,28.5,28.1,28.1,26.3,24.5,21.4
1924,21.2,21.5,23.6,26.5,29.5,29,28.3,28.6,28.8,26.1,24,20
1925,19.1,19.6,23.7,24.6,28.8,28.9,29.1,29,28.3,25.7,24.5,20.2
1926,20.7,21.3,23.7,27.3,29.2,28.5,29,28.4,28.3,25.2,23.6,20.8
1927,20.3,20.8,23.1,25.7,28.1,29.1,28.7,28.7,27.4,25.7,24.5,21.9
1928,22.3,20.5,25.1,26.8,29,28.9,29.1,28.8,27.7,24.5,22.5,21.9
1929,21.6,21.6,23.3,26.3,30.1,29.6,28.5,28.5,27.8,26.1,22.8,22.3
1930,18.3,21.1,22.7,27.9,29.1,29.6,28.6,28.2,27.4,26.1,23.8,21.5
1931,21.2,22,25.2,29,29.9,30,29.3,28.4,27.6,24.3,22.6,20.9
1932,19.1,20.2,22.8,27.5,30.2,29.9,28.7,29,27.2,25.5,23.6,19.8
1933,18.3,22.3,23.6,27.8,29.4,29.9,28.7,28.8,27.9,25.8,22.2,21.1
1934,18.7,20.3,23.1,26,29.2,29.6,28.2,28.5,27.8,24.6,23.7,19.9
1935,21.1,22.5,25,27.8,28.9,29.9,28.8,28.6,27.1,26.4,24.4,20.7
1936,19.1,21.1,22,28,29,29.4,28.8,28.3,27.6,24.9,23.6,22.2
1937,20.8,21.9,25.6,27.9,28.6,29,28.3,28.2,27.2,25.8,23.6,21.8
1938,20.8,21.1,22.9,26.3,28.3,28.8,28.1,28.5,27.6,25.8,22.6,21.5
1939,20.1,22.4,25.1,25.9,28.5,29.2,28.9,28.1,27.2,26,24.3,18.1
1940,18.7,21.6,24,26.3,29.1,29.8,29.5,28.3,28.4,26.8,24.1,22.6
1941,24.1,23.7,24.8,27.6,29.4,29.6,30,28.5,27.8,25.9,23.6,21.7
1942,20.7,22,25.4,27.5,29,29.6,28.8,28.4,28,26.1,24.1,21
1943,19.6,21.6,24.8,26.6,29.3,29.7,29.2,28.6,28.7,27,23.6,20.7
1944,21.7,21.7,24.7,28.1,28.6,29.3,29.4,28.5,28.3,26.3,24.2,18.1
1945,19.5,19.3,23.4,26.5,27.7,29.2,29.2,28.8,28,24.9,24.9,20.9
1946,21,22.6,25.3,28.2,28.7,29.8,28.5,28,27.6,26,23.8,21.8
1947,23.2,21.2,23.3,25.7,29.1,29.3,28.9,28.8,28,25.6,23.3,20.6
1948,20.3,22.9,24.6,25.9,28.6,29.1,28.3,28.4,28.2,26.9,22.8,23
1949,19.3,22.6,25.1,27.1,29.2,29.6,29.1,28.9,28.2,26.5,24,22.4
1950,21.8,21,24.5,26.5,28.7,28.8,29.2,28.7,28,26,23.9,19.5
1951,19.3,21.5,23.1,27.1,28.4,28.3,29,29,28.4,26.3,24.1,21.2
1952,20.9,23,25.8,27.4,30,29.6,29.2,28.6,27.8,26.4,24.2,19.4
1953,20.7,21.5,25.1,26.2,28.9,29.3,29.6,29.1,28.2,27.5,24.6,21.2
1954,22.7,22.1,22.3,28.3,29.5,30.2,30.3,29.3,28,25.7,23.6,19.8
1955,17.5,22.3,25,27,29.8,29.2,29.4,28.7,28.6,26,22.3,20.4
1956,18.7,22.5,25.2,27.6,28.8,29.2,29.3,28.6,28.1,26.2,22.1,19.7
1957,20.6,20,23.4,27.4,29.8,29.3,29.1,29.2,28.1,25.8,24,22.1
1958,20.4,20,25.9,28.6,30.5,29.3,29.1,28.7,28.1,25.7,22.3,20.2
1959,20,22.5,22.8,27.9,29.2,30.8,28.9,28.6,27.7,25.9,24.5,23
1960,20.4,21.1,26.1,27.5,29.1,29.6,29.1,28.8,27.7,25.8,24.5,20.4
1961,19.3,20.9,24.5,27.6,28.8,29.2,29.1,28.6,27.7,26.4,23.5,22
1962,18.2,20.2,23.6,26.9,29.5,29.1,29.2,28.7,27.8,26.1,23.3,20.4
1963,16.5,20,23,26.8,29.8,28.8,28.4,28.9,28.2,26.1,25,20.8
1964,21.2,20,23.4,27.6,28.3,29.1,28.9,28.7,27.8,26.5,22.2,19.8
1965,19,22.8,23.6,26.9,28.6,28.3,28.8,28.5,27.5,26.5,24.3,22.1
1966,22.2,23.1,25,27.6,27.9,29.2,29.1,28.3,27.2,26.7,24,23.1
1967,18.8,19.7,24,26.5,29.4,29.1,29.5,29,27.2,25.1,23.9,19.3
1968,20.3,18.3,23.7,25.4,28.6,28.6,29.6,28.9,27.8,25.6,24.2,23
1969,22.1,21.2,23.7,26.8,29.4,28.9,29,28.8,28,26.5,22.6,19.6
1970,19.7,22.2,24.1,26.2,28.9,28.7,29.2,28.4,27.5,25.5,22.9,22.1
1971,18.5,20.3,23.2,27.2,28.4,28.7,28.4,28,28.2,24.8,21.7,20.7
1972,18.8,21.5,22.8,25.6,29.5,29.3,29.2,28.2,28.2,26.9,24.8,22.2
1973,20.8,24.1,26,29,29.6,29.6,29,28.4,27.7,25.8,22.5,19.4
1974,19.6,19.6,22.5,25.8,28.7,29.1,29.2,28.6,28.2,26.1,23,21
1975,20.5,22.2,25.3,28.2,29,28.9,28.8,28.4,28,26,22.6,18.2
1976,18.9,22,23.3,26.9,28.4,29.1,28.7,28.1,27.9,26.5,21.7,21.1
1977,19.4,18.8,23.3,27.1,29.5,30.9,29.2,29.4,27.7,26.8,23.1,21.9
1978,21.3,21.2,25,27.1,28.5,29.3,29,28.5,27.5,25.7,23.4,21.7
1979,22.7,23.4,25.8,27.1,28.6,28.8,29.9,28.9,28,25.4,22.6,21.5
1980,21.3,20.8,26.3,27.9,29,29.1,29.2,28.8,27.4,26.3,24.2,21.5
1981,20,23,25.5,27.5,28.2,28.5,28.7,29.2,28.3,26.1,23.9,19.3
1982,20.4,21.8,25.3,25.7,28.6,29.1,29.1,28.6,27.4,26.7,24.7,19.1
1983,18.7,21.7,23.1,28.4,29.4,29.8,29.9,28.7,28.6,26.6,22.7,20
1984,18.4,20.7,23.8,28.2,28,29,28.8,28.5,27.7,25.8,23.9,20.9
1985,20.1,22.1,22.6,25.5,28.7,28.9,28.8,28.5,27.3,26.1,24.9,21
1986,19.7,21.7,23.4,27.5,28.3,29.1,29,29.2,28.2,26.4,23.1,21.1
1987,21.1,22.6,25.7,27.2,29.5,29.6,29.7,29.4,28.4,27.1,25,19.1
1988,22,22.7,23.9,26.1,29.2,29.4,29.5,28.7,28.6,25.6,21.9,20.7
1989,20.6,21,22.8,27.8,28.7,28.9,29.2,28.8,28.3,26.1,23.6,20.9
1990,21.5,21.8,23,27.6,27.8,28.9,28.9,29.3,28.3,26.5,24.4,21.9
1991,22.9,22.3,25.8,27.9,29.8,29.5,29.5,28.9,28.8,26.4,23.4,21.8
1992,19.5,21.9,25.3,28.7,30,29.3,29,29.3,28.5,25.5,22.8,21.9
1993,19.7,22.2,25,27.8,29.2,30.2,29.8,29.2,28.4,26.2,23.9,20.7
1994,21.6,23.4,23,28.5,29.9,29.1,29.1,28.9,28.2,25.9,24.2,23.5
1995,20.6,21,24.5,28.4,29.1,30,29.2,28.8,28.5,26.6,23.4,20.8
1996,21.2,19.3,24.7,25.3,28.5,29.8,29.6,29.1,28.2,26.8,24.5,20.9
1997,20.9,20.8,24.3,26.2,29.2,29.5,29.2,29.6,27.8,27.4,25.4,23.5
1998,22.5,23.6,26.4,28.4,30.2,30.5,30.1,29.9,28.7,27.2,24.8,22.2
1999,21.1,22.6,25.8,27,28.2,29.5,29.7,29.2,28.4,26.9,24.2,19.1
2000,21.9,21,24.5,27.6,28.2,29.3,29.1,29.6,28.1,27.1,23.3,22.5
2001,23,22.4,24.4,29.2,28.7,29.3,29.3,29.2,28.6,27.4,22.8,21.8
2002,20.8,22.8,25.3,28.5,29.1,29.7,29.5,28.6,27.5,26.7,24.5,23
2003,20.2,23.2,24.2,28.6,30.1,30,29.9,29.4,28.2,27.1,24.8,21
2004,21.5,20.8,24.8,27.3,29.1,29.6,29,29.4,28.2,26.2,24.6,22.2
2005,21.2,23.7,23.3,27.7,30.1,29.8,29.6,29.1,28.6,27.1,25.3,21.2
2006,21.2,23.1,24.7,27.6,29,30,30,28.9,28.4,27.3,25.3,22.2
2007,20,23.2,25.8,26.5,28.4,28.9,29.7,28.3,27.9,25.9,22.3,22.7
2008,19.9,17.6,23.3,27,27.9,28.6,28.8,28.6,28.1,27,23.5,20.7
2009,18.7,24.3,24.8,26.8,28.1,29.2,29,29.2,28.6,27.1,24.7,22.1
