1901,19.3,20.9,27.9,31.4,34.2,33.7,30.4,28.2,28.7,28.9,25.6,22.6
1902,21.8,23,29.1,32.3,34.1,32.8,30.6,29.5,28.5,28.8,24.7,21.4
1903,20.2,21.3,25.2,30.4,33.6,33.4,30.4,28.8,28.6,28.2,23.4,20.6
1904,20.6,22.9,26.2,31.6,33.7,32.1,28.8,28.1,28.5,28.5,24.5,21.9
1905,19.1,19.4,25.1,29.5,34.5,32.7,29.3,28.8,29.1,28.9,25.9,21.6
1906,19.1,20.6,25.8,30.5,34.1,32,29.4,28.6,28.1,28.5,25.4,22
1907,21.3,22.1,26.3,30.4,32.6,32.5,30.8,27.2,28.1,28,25.6,21
1908,20.4,21.7,26,31.6,33.3,32.6,28.3,27.2,28.2,27.9,24.2,20.5
1909,19.6,22.1,27.5,30.4,33.3,31.9,28.4,27.6,27.6,27.3,24.5,20.8
1910,20.1,22.5,27,30.3,33.1,31.6,28.6,27.9,28.4,27.2,23.1,20.8
1911,21,22.3,25.5,30.3,33.9,31.5,30,28.4,28.2,28.4,24.7,23.1
1912,21.7,23.4,26.3,31.6,34.1,33.4,29.6,28,28.1,28.2,23.9,21.4
1913,20.7,22.3,24.9,31.4,33.2,31.6,29.1,27.9,28.5,29.1,24.9,21.3
1914,21.9,21.9,25.9,30.7,34.2,32.1,29,28.2,28.7,28.5,26,21.2
1915,20.5,21.3,27.1,30.9,34.1,33.4,30.8,28.9,29.6,29.1,25.7,21.8
1916,21.3,21,28.8,31.6,33.8,31.6,30.1,28.3,28.9,28,23.7,20.7
1917,21.6,22.6,26.6,30.1,32.3,31.2,28.6,28,28,27.2,22.5,20.9
1918,19.8,22.6,27.2,29.7,33.9,31.8,30.2,28.7,28.5,28.6,25.9,21.3
1919,20.9,22.2,26.8,30.6,33.7,32.2,29.1,27.9,28.4,28.2,25.4,21.2
1920,21.4,22.2,27.6,30.8,32.4,31.4,28.8,28,29.5,29.1,25.8,21.6
1921,21.2,22.4,28.6,32.3,34,32.8,30.4,28.3,28.1,28.5,24.6,22.5
1922,20.1,23.3,27.5,31.8,33.5,32.5,29.5,27.9,28.2,28.1,25,20.6
1923,21.2,21.5,27.9,30.9,33.1,33.2,29.3,27.7,28.9,28,24.1,22.3
1924,20.7,22.5,28.9,31.9,33.2,33.2,30,28.6,28.3,27.3,23.8,21.8
1925,18.6,20.9,28.2,32.7,33.6,31.5,28.9,28.9,29.4,30.1,25.9,22.5
1926,21.6,24.5,27.2,29.9,33.3,34.1,29.9,28.6,28.3,28,23.8,21.3
1927,19.2,21.6,26.1,30.3,33.1,32.5,29,27.7,28.7,28.2,23.1,21.9
1928,20.7,22.3,27.1,31.4,33.8,32.5,29.2,28,28.2,28.3,25,20.8
1929,19.7,21.8,28.6,31.8,34.5,32.7,29.6,28.1,28.9,28.3,26.1,20.6
1930,20.4,21.9,27.3,31,33.8,32.7,28.6,27.9,29.6,29.3,24.3,21.9
1931,21.6,21.9,26.8,32.1,34,33.7,30.2,28.6,28.8,27.8,24.8,22
1932,21.4,21.7,26.8,31,33.8,32.6,29,28.3,28.7,29.1,24,21.8
1933,20.6,22.7,27.3,31.1,32.5,32.2,29.4,27.7,28.4,28.5,25,21.6
1934,18.8,23.2,26.9,31.5,33.4,32.6,29.1,28,28.2,27.8,24.4,22.3
1935,18.9,22.4,27.2,29.6,33.5,33.1,29,27.9,27.8,28.4,24.8,22
1936,19.8,22.6,26.9,30.5,34.4,31.5,29.3,28.5,28.8,28.8,25.5,21.3
1937,19.8,22.8,26.1,30.6,33.4,32.7,28.6,28.3,28.7,28.2,25.7,20.4
1938,20.7,21.4,28.1,31.9,34,31.6,29,28.6,29,28.2,23.9,22.1
1939,21.5,23.1,25.8,30,33.1,32.5,29.4,29,28.4,29.1,25.2,22.3
1940,21.7,23.1,25.4,30.6,34,32.6,29.4,28.2,28.5,29,25.5,21.3
1941,19.8,23.3,27.5,32,33.8,33,28.5,28.5,28.9,29.5,24.8,22.4
1942,19.6,22.4,27.5,32.6,33.4,33.2,28.9,27.7,28,27.9,24.2,19.9
1943,19.6,22.4,27.3,31,34.7,31.1,28.3,27.9,27.8,27.7,25.1,21.7
1944,20,21.3,26.4,30.4,33.8,32.2,28.6,27.9,29,27.9,24.5,21.7
1945,18.3,21.5,27.4,30.8,33.1,32.7,28.3,28.3,28.1,27.4,23.3,18.9
1946,19.9,23.5,26.4,32.2,33.2,31.7,29.1,27.4,28.2,28.3,22.9,20.5
1947,19.6,22.4,27.2,30.9,33.9,33.3,29.9,29.5,28,26.6,23.9,20.8
1948,19.3,21.7,27.6,32.5,34.7,33.4,31.3,29.1,29.3,29.3,25.1,21.7
1949,22.2,22.3,28,32.7,34.9,33.1,30.2,29,28.9,28.6,23.9,20.4
1950,20.6,19.7,26.5,31.7,34,33.1,28,28.4,28.3,29.7,23.8,21
1951,19,21.6,27.3,29.9,33.6,32.8,31.1,28.5,30.3,30.7,26.2,21.5
1952,21.3,23.6,27.2,32.4,34.6,32.6,29.3,27.7,28.7,29.3,24.2,21.6
1953,20,24.5,29.2,32.2,33.4,32.8,29.6,27.5,28.3,27.9,23.9,22.2
1954,19.3,23.7,27.6,31.8,34.2,32.8,29.4,29,27.2,26.6,23.9,20.5
1955,20.7,23.3,28.9,30,33.7,32.2,30.6,28.1,28,27.7,22.8,20.8
1956,20.4,21.8,28.2,31.9,34,32,27.4,27.4,28.1,26.2,23.4,20.6
1957,19.6,20.1,25.5,30.9,32.8,32.4,30.2,28.9,29.2,29.1,26.5,22.3
1958,21.9,22.5,28.1,32.8,34.6,33.5,29.4,29.4,27.6,27.6,24.7,22
1959,20,22.1,28.2,32.1,34.7,32.8,28.1,27.5,27.5,27.6,24.5,21.3
1960,19.6,24,25.9,31,33.4,32,30,27.7,29.3,28.6,24.3,22.2
1961,20.5,20.9,28.4,31.3,33.9,31.9,28.7,28.7,27.7,27.2,24.8,20.3
1962,18.8,23.2,26.8,31.6,34.4,32.5,29.4,28.7,28.3,26.4,24.8,21.9
1963,21,24.1,27.5,31.2,33.3,32.9,29.8,28.2,27.6,28.4,25.7,22.3
1964,18.4,22.4,28.6,32.4,33.7,32.2,29,28.3,28.7,28,23.8,21
1965,22.3,22.7,26.6,31.1,33.2,33.2,29.6,28.9,28.9,29.3,25.9,22.1
1966,21.9,24.8,26.5,31.1,33.7,32.6,30.4,29.2,28.9,29.8,26.1,21.3
1967,18.9,24,27,31.1,34,31.7,29,28.1,28.4,28.8,25.5,22.7
1968,19.6,21,27.2,31.4,32.8,33.6,30.7,27.9,30.1,29.5,25.7,21.6
1969,20.8,23,29.3,32.8,34.3,33.2,30.7,28.4,29,29.1,27.1,22.8
1970,20.9,22.6,27.3,32.8,34.8,31.4,29.4,28.6,28.1,29.3,23.9,20.6
1971,19.7,22.3,27.5,33.1,33.5,30.9,28.7,28.2,29,27.7,24.2,20.9
1972,20.4,19.8,27.9,31,33.9,33.4,29.8,29,29.4,29.6,24.9,21.4
1973,18.9,23.4,27.6,33.1,34.4,32.8,28.5,28.1,26.8,27.8,23.8,21
1974,19.8,20.4,28.4,32.1,32.8,32.8,30.3,29.5,30.4,29.7,23.5,20.8
1975,18.8,22.4,25.9,32,33.4,31.7,29.2,27.7,27.6,27.5,22.7,20.6
1976,20.4,22.6,27.1,30.8,33,31.7,28.8,27.4,27.7,28.7,26.8,21.7
1977,19.7,23,29,32.3,33.5,31.7,28.8,28.3,28.2,29.6,26.5,22.2
1978,19.6,22.8,26.1,32,34.2,32.3,28.8,28.1,28.5,28.5,25.9,21.9
1979,21,21.5,26.4,30.3,33.3,33.9,29.9,27.7,29.7,28.9,26.2,22.2
1980,20.4,23.3,27.7,29,34.5,31.4,29.6,28.3,29.1,29.4,25.7,21.4
1981,21,22.9,27.8,32.1,34,33.6,29.1,27.7,29.1,28.2,22.3,20.8
1982,20.7,22.1,25.9,30.6,32.4,32.4,29.8,28.1,28.8,29.3,24.5,21.6
1983,19.4,20.9,25.9,29.4,33.4,32.5,29.3,27.8,28.7,26.6,21.9,19.8
1984,18.6,19.9,27.8,31.9,33.7,32.1,28.5,26.5,27.1,27,23.5,20.7
1985,19.2,21.6,28.5,31,33.5,32.5,29.2,27.6,28.8,27.2,24.8,22.3
1986,20.7,22.7,27.7,32.2,34.1,32.4,29.7,27.9,29.6,29.2,25.7,20.4
1987,21.1,23.6,28.3,32.3,34.1,33.8,31.4,30.3,30.2,31.2,26.7,22.8
1988,22.2,24.8,27.8,33.1,34.9,33.8,29.3,28.9,29.8,28.6,24.6,22.2
1989,19.3,22.3,27.1,31.7,34.3,32.2,29.3,28.1,29.4,28.9,26.2,21.5
1990,22.2,22.9,26.3,31.9,34.2,33,29.5,28,28.2,28.2,25.1,21.6
1991,19.3,22.5,27.9,32,34.3,34,29.7,28.5,28.8,27.7,25,21.2
1992,20.2,20.3,27.2,30.4,34.2,34.2,30.3,28.6,27.8,28.3,24.4,22.4
1993,21.1,23.6,27,31.8,34.6,34.1,29.7,30,29.4,29.7,26,22.7
1994,21.7,22,29.2,31.7,34.6,32.2,28.1,29.3,29.1,28.1,24.9,21
1995,19.4,22.7,26.6,31.1,34.5,34.7,30.5,29.5,29.6,30.3,24.6,22.3
1996,20.7,23.7,29.7,31.9,34.3,33.2,30,28.1,28.4,28.2,24.2,21.6
1997,19.8,22.1,28.1,30.4,33.1,30.2,29.6,28.4,28.9,27.9,25.9,20.7
1998,20.3,22.2,27.1,32.7,35.3,33.8,29.6,29.6,28.9,30.7,24.2,20.8
1999,19.4,23.7,27.5,32.3,33.4,32.1,29.6,28.7,29.8,27.9,24.7,20.9
2000,20.9,21.1,26.9,33,33.3,33.3,29.2,29.4,29.6,29.8,25.6,21.6
2001,19.8,22.3,27.8,31.7,33.9,30.7,28.3,28.7,30.2,29.7,25.3,21.7
2002,19.9,22.2,28.2,32.9,34.9,33.1,30.2,28.6,29.1,30.2,25.2,22.3
2003,21.6,23.9,27.8,32.8,34.3,33.1,29.4,28.7,28.5,28.3,26.2,21.3
2004,20.3,22.4,29.2,33,33.8,32.5,30.7,26.9,29.9,27.8,26.1,22.7
2005,19.1,21.9,27.6,31.4,34,33.1,29.5,28.3,28.4,27.9,24.4,20.1
2006,20.3,25.1,26.7,31.5,34,31.3,28.9,27.6,29.1,29,25.2,22.4
2007,21,24.1,27.5,32.9,34.1,33,29.5,28.8,29.1,27.7,25.6,21.4
2008,19.6,19.8,28.2,31.5,33.5,32.1,29.7,28.1,29,29,25.3,23.7
2009,22,24.1,29,32.5,34.5,33.6,30.1,29.9,29.9,29,25.6,22.8
