1901,19.5,22.6,28.2,32.7,33.2,34,32,31.2,30.5,29.8,25.6,21.6
1902,22,23.7,29.7,31.6,33,32.9,31.1,31.4,30.5,28,24.9,21.1
1903,20.7,22.2,27.1,32.3,33.8,33,32.6,31,31.2,29.1,25.7,21.5
1904,20.9,23.6,28.6,33,32.4,32.8,31.3,30.7,30.7,28.9,24.4,21.3
1905,19,21.4,25.3,29.6,33,33.4,31.6,30.5,30.8,29.2,25.8,21.1
1906,20,21.4,26.8,32.9,34.4,32.7,32.1,30.4,31.5,28.9,26.5,21.9
1907,22.3,21.5,25.1,30.2,32.4,32.9,32,31.6,31.3,30,25.7,21.2
1908,19.6,22.6,28.8,34.6,33.7,33.8,31.6,31.5,31.1,29.5,24.9,20.5
1909,20.9,22.3,30.4,31.2,33.6,32,31.8,30.8,32,30.2,27.4,21.8
1910,20.7,22.6,28.6,32.1,32.9,31.9,30.5,31.2,30.8,28.4,25,20.9
1911,21.4,22.5,26.5,32,33.8,32.2,32,31,30.1,28.3,24.7,20.5
1912,20.8,23.7,27.6,30.5,32.7,32.6,31.1,30.9,30.2,28.9,24.2,20.8
1913,20.6,21.9,26,32.4,31.7,31.2,31.4,31,31.1,28.7,24.1,20.3
1914,21.5,22.5,27.2,30.5,32.7,32.5,31.6,30.6,30.2,27.4,25.1,21.7
1915,21.4,22.3,27.5,31.8,33.4,32.2,31.8,31.1,30.7,31.3,27,21.4
1916,20.6,22.5,31,32.6,34.1,32.1,30.8,30.7,30.4,28.7,26.1,20.6
1917,20.4,22.2,27,29.9,31,31.8,31.2,31,29.9,28.2,26.1,21
1918,19.6,22.7,28.5,30.9,34,31.4,31.7,30.2,30.9,29,24.9,19.9
1919,20.4,21.6,28.6,30.5,32.2,32.6,31.3,31.1,30.2,28.8,25.6,20.9
1920,21.4,22.1,26.8,31.6,31.2,32,31.5,31,30.5,29.1,25.9,22.3
1921,21,22,30.5,32.9,35,31.7,31.1,30.7,29.8,26.8,25.1,20.3
1922,20.6,23.6,30.2,33.4,34.8,32.1,31.4,30.6,30.4,28.3,25.5,20.8
1923,21,22,29.2,33.4,33.4,33.8,31.4,31.6,30.6,28.3,25.8,21.3
1924,20,22.7,30.3,33.5,32,34.7,31.4,30.9,29.8,29.6,25.4,21.9
1925,19.3,21.2,28.7,32.9,32.7,31.7,31.2,30.8,30.3,28.3,24.7,21
1926,20.4,23.3,26.4,29.8,32.2,34.1,31.6,30.9,30.9,28.9,23.9,21.4
1927,19.7,22,27,31.8,32.3,32.8,31.8,30.9,30.6,28.9,25,21.9
1928,19.7,22.7,28.7,31.9,33.9,32.5,31.7,31.5,31.8,29.5,25.1,21.5
1929,20.5,21.9,29.6,32.1,34,32.5,31.6,30.8,30.7,28.4,25.7,20.4
1930,19.6,22.1,29.2,32,33.5,31.9,31.5,30.9,31.2,28.6,25.2,20.5
1931,21.2,21.9,28.4,33.4,33.2,33.8,31.4,31.7,30,28.9,25.3,21.9
1932,21.9,21.9,29,32.3,32.7,33.5,31.8,31,31,29.4,27,20.5
1933,19.1,23.4,29.4,30.7,31.4,32.4,31.4,30.7,30.8,29.2,26.1,21.7
1934,19.9,23.2,28.2,33,33.2,31.9,31.4,31.1,31.5,28.8,25.6,21.5
1935,19.7,23.3,29.3,30.8,34.9,34.5,31.4,30.5,31.1,29.4,26.3,21
1936,20.1,21.7,29,32.1,34,31.1,31.1,31,30.8,28.3,26.5,20.3
1937,19.9,22,28.2,32,33.1,33.2,32.1,30.6,31.5,28.7,24.5,21.2
1938,20.9,21.5,30.1,33.4,33.7,31.9,30.7,31.4,31.8,29.4,24,21.3
1939,21.1,23.1,26.9,32.9,34.4,32,31.2,31.4,30.7,28.6,26,22.4
1940,21,23,25.7,31.8,33.4,33,31.5,31.3,30.4,29.6,26.3,21.7
1941,20.6,23.6,30.4,33.6,33.5,31.4,32.3,31.3,31.6,29.5,25.7,23.3
1942,21,22.5,29.7,32.4,33.8,34,31.6,31.4,30.7,29.9,26.9,21.8
1943,21.5,22.8,28.7,30.6,34.4,33.6,31.5,31.1,31.8,29.8,28.3,22.6
1944,19.6,22.1,28.1,30.5,34.5,33.7,31.8,31.9,31.4,29.8,26.9,23.5
1945,19.6,21.2,29.5,31.4,33,33.8,32.1,31.7,31.3,28.3,25.5,20.4
1946,22.5,24.5,28.8,32,32.8,32.8,31.4,32.3,32.2,28.9,26.8,22.7
1947,20.1,23.3,29.5,34.2,33.6,34.5,32.3,31.8,32,29.4,26.7,22.7
1948,20.7,22.6,28.1,33.6,34.3,34.3,31.4,31.5,31.2,28.8,26.6,21.1
1949,21.9,22.6,29.1,31.3,32.5,33.6,31.4,31.6,30.8,30,25.8,20.5
1950,21.9,22.5,27.8,32.9,34,32.1,31.3,30.9,30.8,29.1,26.1,21.8
1951,20.3,23.7,29.5,32.2,34.4,33.4,31.6,32,30.6,30.7,27.3,21.8
1952,22.3,24.3,27.6,32.6,33.4,33.2,31.6,31.3,31.1,30.6,26.8,22.1
1953,19.5,24.1,31.8,34.2,35,33.5,31.1,31.8,31.1,29.1,25.5,23.2
1954,20.2,25.1,30.5,34.1,35.8,32.6,31,30.6,31.2,28.8,25.6,20.4
1955,20.2,23.8,30.5,31.8,33.3,32.6,31,30.7,30.5,29.1,27.2,21.1
1956,20.7,25.2,30,34.8,35.5,31.6,32,31.5,31.1,28.7,26.1,19.9
1957,19.9,22.4,26.9,33,35.7,33.3,31.7,31.5,31.7,29.2,27.8,21.9
1958,21.7,22.4,28.5,33.3,33.6,34.1,31.5,30.3,31.3,30.1,27.5,22.6
1959,20.8,23.1,29.9,33.1,33.7,32.9,31.2,30.9,29.8,28.2,26.2,22.8
1960,20.9,26.2,27.7,32.1,34.2,33.2,30.9,31.2,30,28.6,26.3,23.1
1961,21.2,21.5,28.5,32.7,33.9,32.7,32.2,31.2,30.3,28.4,24.1,20
1962,20.1,22.6,28.7,32.5,33.1,32.9,32.3,30.6,29.8,29.1,25.8,21.6
1963,22.6,25.4,27.6,30.6,31.9,32.8,31.7,30.8,30.4,29.7,25,23.7
1964,21.4,22.9,30.6,32.4,32.4,34.9,30.9,31.1,30,32.2,26.6,21.8
1965,22.4,22.8,27.2,31.1,34.3,34.6,31,31,30.6,29,26.1,22.9
1966,23.1,25.4,29.3,32.9,35,33.7,32.2,30.7,30.2,29.2,27.1,21.5
1967,21,25.2,26.7,31.2,34,33.7,31.7,30.8,30.3,29.1,24.3,22.2
1968,20,22.2,28.5,31.9,33.7,31.1,31.2,31.8,32,28.3,26.6,21.6
1969,20.7,24.8,31.3,32.7,33.4,34.2,31.9,31.2,30.6,30.1,27.9,24
1970,21.6,22.8,29.5,35.3,34.4,32.7,31.9,31.4,30.6,30.5,26.6,22.9
1971,20.5,22.4,28.8,30.5,30.7,30.3,30.5,30.2,32.1,28,24.9,22
1972,21.9,21.3,29.1,31.3,35,33.4,32.3,31.1,30.8,27.8,25.2,21.4
1973,20.8,22.7,28.1,34,32.5,30.9,31.9,30.4,30.6,27.5,24.7,20.5
1974,20.5,22.7,28.7,33.3,32.5,32.5,30.5,30.5,31.1,30.5,26,21.1
1975,19.2,22,28.2,33.3,33.5,32.5,30.3,30.7,28.9,29.6,25.4,21.3
1976,20.5,22.7,28,32,32.2,31.2,31.2,29.9,29.6,28.4,27.1,20.9
1977,19.6,23.4,30,30.5,30.6,31.8,31.1,31.1,30.6,28.2,27,20.8
1978,18.6,20.7,25.7,30.9,33.5,31.8,30.9,31.2,29.6,28.5,25.7,22
1979,21.3,21.2,27.6,32.8,34.8,32.3,31.7,31.1,31.5,28.6,26.7,20.1
1980,20.5,23,27.5,34.1,32.5,31.8,31.1,31.5,31,27.5,26.2,22.1
1981,18.5,23.6,27.4,32.5,32.3,32.8,30.5,31.5,30.7,30.4,25.3,21.3
1982,20.9,21.4,26.8,31.9,31.9,32.2,33.7,32.4,31.9,27.9,25.1,21.9
1983,19.6,23.7,27.5,31.2,31.6,33.1,32.1,32.5,31,28.6,26.1,22.1
1984,19.4,23.4,31.1,32.8,34.3,32.1,30.5,30.8,30,31,24.7,21.9
1985,20,23.8,31.2,33.9,33.7,32.7,29.6,31.4,30.2,29.3,26.1,22.4
1986,21.2,22.5,28.3,31.1,31.2,33.6,30.8,31.5,30.9,27.8,26.5,21.3
1987,20.2,23.7,28.2,31.9,32.7,33.4,31.9,30.7,31.1,28.5,25.5,22.4
1988,22.3,24,29.2,33,33.6,32,30.6,30.6,31.7,30,25.5,23.1
1989,19.7,21.7,28.3,32.8,34.7,32.4,32.1,31.1,31.2,29.6,25.7,20.1
1990,22.8,20.5,29.2,33,31,33.6,30.3,31.3,30.1,29.4,27.2,20.9
1991,20.3,24.1,29.4,31.5,32.8,32.1,31.8,30.5,30.6,30.3,25.1,20.9
1992,20.6,21.4,30.3,33.3,31.6,32.6,31.1,31.2,31,28.8,25.7,21.3
1993,20.9,24.4,26.4,30.8,32.6,32.6,32.1,31.1,30.5,30,27.3,23.2
1994,21.8,22.1,30.5,32,33.9,33.1,32.1,31.3,32,29.5,25.2,21.9
1995,19.9,22,28.9,32.8,35.7,32.8,31.5,30.9,32,30.3,26.5,22.1
1996,20.5,23.7,29.7,32.5,34.4,32.3,31.3,31,31.1,29.2,28.4,23.3
1997,21.1,22,28.6,30.4,32,32.5,32,31.7,29.8,26.6,24.8,20.4
1998,21,23.8,27.5,32.1,34.2,34.2,31,30.9,31,31.3,27.6,23.5
1999,22,24.5,31.4,34.4,33.7,31.9,31.4,30.8,30.4,29.1,27.3,23.5
2000,22.1,22.1,28.5,33.1,33.5,31.8,31.5,31.6,30.1,30.2,27.9,23.2
2001,22.6,24.3,28.1,32.8,32.5,31.9,31.8,31.6,32.4,30.5,28.4,23.1
2002,21.3,24.2,29.8,33,33.5,32.9,31.7,31.5,30.5,30,27.2,23
2003,22.4,23.2,29,33.8,33,32.3,31.8,32,30.8,31,27.6,23.4
2004,21.1,24.9,32.3,33.6,33.9,32.3,31,32.3,32.6,28.8,25.9,23.2
2005,21.6,24.3,30.4,32.4,32.8,33.6,31.8,32.1,30.8,29.6,26.9,22.2
2006,23,26.8,29.8,31.5,33.7,33.2,31.5,31.9,30.8,30.1,27.5,23.3
2007,22.2,23.4,30,34.3,34.1,33.7,31.9,32,32,31.8,28.3,22.5
2008,21.3,22.5,30.5,33.5,32.8,32.4,29.4,31.8,30.7,30.6,28.7,24.3
2009,22.6,25.1,30.5,34.3,34,33.3,32.6,32.5,31.2,30.8,27.2,23.3
