1901,19.1,21.1,25.7,28.9,30.9,30.9,30.9,30.6,29.6,26.9,23.3,20.3
1902,19.9,21.1,26.7,28.8,31.4,30.4,30.6,30.3,29.4,26.6,23.7,20.6
1903,18.7,20.7,26.2,29.5,30.3,30.6,30.7,29.9,29.2,27.2,22.9,19.3
1904,18.4,21.5,25.1,28.2,30.1,30.6,30.4,30.2,29.6,27.2,22.8,19.2
1905,20,21.3,23.8,27.7,31,31.1,30.8,29.9,29.9,27,23.6,21.3
1906,19.4,21.4,24.7,28.3,30.9,31.3,31.1,30.3,30.2,26.8,23,20.4
1907,19.7,20.9,24.7,28,30.4,30.2,30.4,30.6,29.3,27.6,24.1,19.7
1908,19.7,21,25.2,29,30.5,30.8,30.5,30.5,29.6,27,23.1,20.1
1909,19.1,21.4,26.2,28.8,29.8,30.8,30.7,30.5,30.4,27.9,24.1,20.5
1910,19.8,21.1,25.1,28.6,31.4,30.6,30.2,30.4,29.5,26.6,23.4,19.3
1911,19.3,20.9,25.5,28.7,30.3,31.2,30.4,30.4,29.8,26.5,23.6,20.6
1912,18.8,21.3,25.6,28.4,31.3,31,30.1,30,28.9,26.6,22.9,19.9
1913,19.1,21.6,24.2,28.3,29.4,30.7,30.4,30,29.2,26.8,22.6,19.4
1914,19.7,21.6,26,28.8,30.8,30.7,31.1,29.8,29.3,26.4,23,20.8
1915,19.7,22.1,25.6,29.5,29.9,30.6,30.1,30.3,29.3,28.5,23.8,20.4
1916,19.1,21.4,25.4,28.9,31.5,31.1,31.1,30.9,30,26.5,23.5,20.2
1917,18.2,20.7,24.5,27.8,30.6,30.6,30.8,30.4,29.8,27.2,24,19.6
1918,18.1,21.1,25.4,27.9,30,30.2,30.9,29.4,30.3,27.5,23.4,21.8
1919,20.1,20.9,27.3,29.6,31.3,31.7,30.9,31.3,29.2,26.7,23.5,20.4
1920,19.6,20.3,25.5,28.4,30.6,31.1,31.5,30.3,30,26.6,24.6,20.5
1921,20.8,21.2,26.1,30.7,31,31.9,31.2,31.4,29.8,26.8,23.4,22
1922,21.1,23.6,26.2,29.2,32.4,30.9,30.9,30.9,29.4,27.3,22.6,20.5
1923,22,21.3,27.5,29.1,29.7,30.3,31.1,30.3,30.3,27.1,24.7,21.7
1924,20.7,22,27.2,28.9,31.5,30.6,30.4,30.4,30.5,26.6,23.9,22.1
1925,18.5,19.3,26,27,30.5,31.5,31.7,31.1,29.9,25.8,24.7,20.8
1926,20.4,20.8,24.8,29.2,31.2,31.2,31.3,30.1,31.2,26.2,24.3,20.7
1927,20.1,21.2,25.2,27.7,29.9,30.9,32,31.7,29.1,26.2,23.6,22.5
1928,22.2,20,26.3,29.7,31.5,30.6,31.5,30.9,30.8,24.5,21.9,21.7
1929,21.3,22,25.3,27.5,30.9,31,31.6,31.1,29.1,27,21.9,23
1930,17.6,22.2,23.9,29.7,29.3,30.9,31.7,30.9,30,26.9,23.3,21.7
1931,21.2,24.7,27.7,32.4,32,32.3,31,31,29.3,25.1,22.5,20
1932,18.6,18.6,24.8,28.6,32.9,31.2,31.2,30.8,28.8,25,23.4,18.9
1933,18.5,21.7,26.5,30.3,29.8,31.3,31.3,30.8,30,26.8,22.8,22.1
1934,18.5,21.6,25.7,28.1,32,30.3,31,31.1,31.2,26.7,23.7,20.6
1935,20.5,22.2,27.1,29.7,32,31.3,31.3,31.4,30,28.7,25.4,21
1936,18,21.5,24.4,29.2,30.9,30.9,31.1,31.4,29.9,26,25.4,22.2
1937,20.4,22.1,26.9,30.3,30.7,30.9,31.4,30.5,30.6,29.1,25.3,22
1938,21.1,22.3,25.5,30.1,28.7,30.8,30.2,30.6,30.3,26.6,22.9,21.6
1939,20.4,22.1,27.1,27.1,31,30.1,30.8,30.8,29.3,28.4,25.1,19.1
1940,20.5,22.9,25.8,29.9,30.3,31.8,31.8,31.9,30.5,28.7,24.6,23
1941,22.5,23.2,27.3,28.8,31,30.9,31.7,30.8,29.4,26.8,23.4,21.5
1942,20.4,23.9,26.6,28.6,31.4,30.4,31.1,30.5,30.9,28.7,24.3,20.9
1943,19.3,20.7,26.3,29,32.1,30.9,31.6,30.4,30.3,28,23,21.3
1944,20,21.6,26.5,29.1,29.7,30.5,31.8,31.1,30,26.3,24.5,18
1945,20.3,18.7,26.3,29.8,29.7,32.5,31.9,30.4,31.1,26.1,26.1,21.5
1946,21.5,22.4,27.3,29.2,30.7,32.1,31.4,30.8,30.7,26.5,24.7,22.4
1947,22.5,21.6,26,27.7,32.2,31.2,30.8,31.2,29.8,26.3,24.3,21.4
1948,20.6,22.3,26.8,28.8,30.2,31.5,30.2,30.9,30.1,26.5,22.4,21.9
1949,19.2,22.6,26.9,28,30.4,31.7,31.2,31.1,30.8,27.1,23.5,19.8
1950,20.9,20.2,26.5,28.9,31.8,30.5,31.1,30.2,29.8,27.2,24.5,20
1951,19,22.8,25,29.3,30.9,30.1,30.4,31,29.1,27.1,24.1,20.5
1952,21,23.5,26.9,29.4,33,31.4,31.1,30.4,29,26.5,25.4,19.7
1953,20.2,21.7,26.2,28.5,30.2,30.4,31.7,31.5,28.4,27.6,24.5,21.6
1954,20.8,22.3,23.4,30.1,30,29.9,30.8,29.6,29.3,24.8,23.9,17.8
1955,17.3,23.8,26.2,27.8,31,29.8,30.3,29.3,30.3,25.9,20.8,20.4
1956,16.9,23,26.8,29.4,29,30.5,30.7,30,29.9,26.4,22.1,20.3
1957,20.4,19.5,25.2,28.7,31.3,28.7,30.4,30.6,29.3,25.3,24.7,22
1958,19.2,18.3,28.1,31.3,32.7,30.8,30.7,29.5,29.3,25.8,22.6,20.8
1959,17.4,20.9,23.6,29.4,30.1,31.6,30.8,30.5,28.4,26.8,24.6,21.9
1960,19.6,20.3,27.7,28.1,31.2,31.6,29.6,30.7,29.6,25.9,24.7,18.2
1961,19.1,19,25.5,28.8,30.7,31.6,31.2,29.8,29.1,27.1,22.8,20.6
1962,14,20.7,23.9,28.7,31.8,29.6,31.4,30.3,30.2,26.7,23.5,21
1963,16.1,19.8,24.8,29.5,32.7,31.1,30.6,30.2,31.2,25.4,24.5,20.1
1964,19.6,19.9,25.5,29.7,30.1,30.6,30.6,31.1,30.1,27.2,21.9,18.2
1965,19,22.7,24.9,29.2,30.9,29.9,31,30,29.9,27,24,20.5
1966,20.8,24,27.5,30.9,29.6,29.5,30.9,30,28.7,26.6,24,22.7
1967,17.5,18.3,25.2,27.8,31.8,31.7,31.4,31.4,28.8,26.3,23.2,17.8
1968,19,16.1,25.3,25.9,30.9,30,30.8,30.4,29.3,26.1,24.9,23.9
1969,21.8,22.4,26.5,30.1,33.1,31,31.3,29.5,29.6,28,22.2,19.4
1970,19.2,22.8,26.2,27.6,30,29.9,29.5,30.6,29.8,26.7,23.2,20.3
1971,17.8,19.9,25,29,29.6,30.8,30,28.7,29.9,25.9,23.3,19.4
1972,18.1,21.1,25.2,26.4,32.5,31.2,31,30.3,29.1,27.7,22.9,21.1
1973,19.3,24.8,26.5,30.2,31.4,31.7,30.7,30.1,29.1,26.2,21.9,19.2
1974,20.4,19.7,23.8,27.4,30.9,30,30.3,29.3,30.2,27.2,23.9,21.7
1975,19.8,22,27.7,29.7,30.5,30.6,30.8,30.4,30.6,27.3,22,18.4
1976,17.4,21.7,25.2,28.3,29.6,30.4,30.9,30.3,29.4,27.3,20.2,21.6
1977,18.2,17.4,25,28.3,32.1,33,30.7,30.9,29.3,26.7,22.1,21.2
1978,18.7,20.3,27,29.5,29.7,30.5,31.2,31.2,28.4,27.2,23.6,21.8
1979,22.2,23.9,28,29.3,31.1,30.6,31.9,30.5,29.1,26.2,22.2,21.4
1980,20.6,20.4,28.4,30.9,31.5,32,31.5,30.7,29.1,27.6,25.4,20.5
1981,19,23.6,27.1,29.6,29.3,30.5,31.1,31.7,30.6,27.1,23.3,18
1982,19.6,20.9,28.1,26.3,31.5,30.9,31.5,30.6,29.2,28,23.5,17.9
1983,17.2,20.6,23.4,31.1,32.6,32.3,32.9,30.9,30,27.2,21.6,18.5
1984,17.9,22.1,25.7,30.3,30.1,30.5,31,31,29.5,25.9,24.9,21.1
1985,20.1,22.3,22.5,27.7,31,30.5,30.3,31,28.9,27.4,23.3,20.4
1986,18.9,21.1,26.2,28.5,29.1,30.9,30,31,29.6,25.9,23,21.5
1987,20.2,23,27.2,28.9,33.5,31.9,31.5,30.4,29,28.3,24.4,18.8
1988,21.3,23.2,25.5,27.9,31.5,32.1,30.6,30,29.2,26,22.6,21
1989,17.9,20.3,22.7,29.4,29.4,30.8,30.7,31.2,30.3,26.6,24.1,21.3
1990,20.5,21.7,23.8,28.9,28.5,29.9,30.2,33,30.4,26.6,25,21.5
1991,21,22.2,27.6,29.1,31.2,30.4,30.6,30.4,30.2,26.8,22.3,20.6
1992,16.8,18.5,26.5,30.5,32.2,31.7,30.1,32.3,31,25.8,22.4,21
1993,16.7,22.2,25.7,29.5,30.5,32.2,31.7,30.8,30,25.8,24.4,20.5
1994,22.1,23.4,22.9,30.6,30.4,29.7,30.7,30.1,29.7,26.5,24.3,21.4
1995,18.6,19.9,26.3,30.6,30.5,31.1,30.6,29.9,29.3,28,22.5,19.6
1996,19.9,19.5,26.8,27.2,30.3,30.4,30,30.4,30.1,27.5,23.8,19.5
1997,19.1,19.4,25.3,26.7,31.9,31.4,29.6,30.6,27.5,28.1,24.8,21.7
1998,21.7,23.1,27.7,29.2,31.5,31.2,30.7,31.3,31,28.6,25.5,21.4
1999,19.7,22.8,27.6,28.3,28.2,31.6,30.8,29.9,29.9,26.9,23.3,18.7
2000,19.8,19.9,24.8,28.6,28.9,29.3,31,31.5,29.8,27.2,24,21.6
2001,20.5,20.6,24.6,29.7,28.5,31.1,30.7,31.2,30.8,26.3,22.5,21.2
2002,19.2,22.3,25.8,29.8,29.5,31.5,31,29.9,29.5,27.8,23.8,21
2003,18.7,23.2,24.2,30.2,31.4,30.6,31.9,31.5,29.3,26.9,24.8,20.3
2004,19.7,20.6,25.9,28.3,29.7,30.8,30.8,31.6,29.9,26.8,24.5,21
2005,19,24.2,23.7,28.4,33.1,31.7,31.3,30.7,30.6,27.5,24.3,19.2
2006,20.9,21.9,26.4,29.1,30,31.9,31.9,30.6,30,27.7,26.3,20
2007,17.9,22.7,27.2,26.9,29.9,32.4,31.5,31.2,29.4,26.9,23,22.1
2008,19.7,15.8,25,29.3,30,30.6,30.8,30.9,30.9,28,23.7,20.4
2009,17.7,25.6,27.1,28.4,29.9,31.8,31.7,31.7,31.5,29.1,24.4,21.6
