1901,21.5,23.2,27.7,31,33.5,33.6,33.9,33.2,32.4,29.7,26.1,23
1902,22.3,23.3,28.7,30.9,34,33.2,33.6,33.1,32.3,29.5,26.5,23.4
1903,21.1,22.9,28.3,31.6,33,33.4,33.7,32.6,32,29.9,25.6,21.9
1904,20.7,23.6,27.1,30.4,32.8,33.3,33.4,32.9,32.4,30,25.6,21.9
1905,22.6,23.4,25.9,29.9,33.7,33.8,33.8,32.7,32.7,29.8,26.4,24.2
1906,21.9,23.7,26.8,30.5,33.5,34,34.2,33.1,33,29.6,25.8,23.1
1907,22.1,23.1,26.8,30.2,33,33,33.4,33.3,32.1,30.5,26.9,22.3
1908,22.1,23.2,27.1,31,33.1,33.5,33.5,33.2,32.4,29.8,25.9,22.8
1909,21.6,23.7,28.1,30.9,32.4,33.6,33.7,33.2,33.2,30.6,26.8,23.1
1910,22.3,23.3,27.1,30.7,34,33.4,33.3,33.2,32.2,29.4,26.2,21.9
1911,21.6,23.1,27.6,30.8,32.9,34,33.4,33.2,32.6,29.3,26.5,23.4
1912,21.2,23.5,27.7,30.6,34,33.8,33.2,32.7,31.7,29.4,25.6,22.6
1913,21.5,23.8,26.2,30.5,32.1,33.4,33.4,32.7,32.1,29.6,25.4,22.1
1914,22.1,23.9,28,30.9,33.4,33.4,34.1,32.5,32.1,29.3,25.7,23.5
1915,22.1,24.3,27.6,31.6,32.5,33.4,33.2,33.1,32.2,31.2,26.5,23
1916,21.6,23.6,27.3,31.1,34.1,33.8,33.9,33.6,32.8,29.4,26.2,22.8
1917,20.6,22.9,26.5,30,33.2,33.3,33.7,33.1,32.6,30.1,26.7,22.1
1918,20.5,23.3,27.5,30.2,32.6,33,33.9,32.2,33.1,30.4,26.3,24.5
1919,22.5,23,29.3,31.8,33.9,34.4,33.9,34,32,29.5,26.2,23.1
1920,21.8,22.4,27.6,30.6,33.3,33.8,34.4,32.9,32.9,29.4,27.3,23
1921,22.7,23.3,28,32.6,33.6,34.5,34,34.2,32.5,29.6,26.2,24.6
1922,23.2,25.6,27.9,31.4,35.2,33.7,33.9,33.6,32.1,30.2,25.4,23.2
1923,24.2,23.6,29.5,31.3,32.4,33.1,34.1,33.1,33.1,30.1,27.5,24.2
1924,23.1,24.1,28.8,31,34.1,33.4,33.3,33.3,33.2,29.4,26.8,24.8
1925,20.7,21.5,27.9,28.9,33.2,34.1,34.6,33.9,32.7,28.9,27.7,23.6
1926,22.7,23,27,31.4,33.8,33.7,34.3,32.8,33.9,28.8,27.2,23.3
1927,22.6,23.2,26.9,29.8,32.7,33.6,34.8,34.5,31.8,29.2,26.7,25.2
1928,24.5,22.2,28.3,31.7,34,33.5,34.4,33.6,33.4,27.4,24.7,24.3
1929,23.6,24.2,27.3,29.8,33.7,33.8,34.4,33.8,31.9,29.8,24.9,25.4
1930,19.9,24.4,25.9,31.9,32.1,33.8,34.5,33.4,32.6,29.8,26.2,24.4
1931,23.6,26.5,29.6,34.4,34.7,35,33.9,33.8,32,27.9,25.4,22.6
1932,21.1,20.9,26.6,30.9,35.5,33.9,34.1,33.6,31.5,28,26.1,21.5
1933,20.2,23.4,28.2,32.6,32.7,34.2,34.2,33.4,32.7,29.3,25.7,24.9
1934,20.7,24.3,27.9,30.1,34.6,33.2,34,33.6,33.6,29.1,26.1,23.6
1935,22.8,24.4,28.9,31.6,34.4,34.1,34,33.9,32.5,31.5,27.9,22.8
1936,20,23.9,25.7,31.4,33.6,33.6,33.8,34,32.7,28.9,28.3,24.8
1937,22.6,24.5,29,32.2,33.2,33.6,34,33,33.2,31.7,27.7,24.6
1938,23.4,24.4,27.6,32.2,31.6,33.5,33,33,32.8,29.7,25.7,24
1939,23.1,24.4,28.7,29.4,33.7,32.9,33.5,33.6,32.1,31.3,28,21.8
1940,22.9,25.1,27.9,31.9,33.1,34.7,35,34.7,33.5,31.6,27.7,26.2
1941,25.5,25.5,29.4,31.1,33.9,33.8,34.7,33.6,32.4,29.9,26.1,24
1942,23,25.9,28.8,30.9,34,33.3,34.2,33.2,33.9,31.2,27.4,23.3
1943,21.6,23.2,28.6,31.1,34.8,33.8,34.7,33.2,33.3,30.6,25.8,23.9
1944,22.7,23.8,28.4,31.5,32.6,33.4,34.8,33.9,33,28.8,27.1,19.9
1945,21.9,20.8,28,31.4,32.8,35.2,34.8,33.2,33.9,29,29.2,24.1
1946,23.9,25.2,29.3,31.6,33.2,34.7,34.2,33.5,33.4,29.5,27.7,24.4
1947,24.5,23.6,27.7,29.8,34.8,33.8,33.6,33.9,32.5,29.2,27.2,23.6
1948,23.2,24.8,28.9,31,32.9,34.2,33.2,33.5,32.7,29.3,25.2,24.4
1949,21.8,25.1,28.4,30.1,33.2,34.3,34.3,33.9,33.5,30.2,26.3,22.6
1950,23.5,22.5,28.6,31,34.4,33.3,34.1,32.9,32.7,29.9,27.1,22.7
1951,21.2,25,26.7,31.3,33.6,32.8,33.5,33.7,32,30,26.6,23.4
1952,23.2,25.5,28.5,31.5,35.5,34.2,34,33,31.8,29.5,28.2,22.3
1953,22.5,23.8,28.4,30.3,33.1,33.4,34.7,34.4,31.6,30.7,27.3,24.1
1954,23.6,25.1,25.7,32.3,32.8,33,34.2,32.6,32.2,28.2,27.2,20.5
1955,19.8,25.9,28.4,30.2,33.9,32.8,33.5,32.1,33.1,29,24.1,23.5
1956,19.8,24.9,28.5,31.5,31.8,33.3,33.5,32.6,32.9,29.7,25.3,23
1957,23,21.6,27.1,31,34.2,31.6,33.5,33.6,32.4,28.4,27.7,24.7
1958,21.7,20.9,29.9,33.4,35.4,33.6,33.6,32.5,32.2,28.8,25.7,23.8
1959,19.9,23.6,26,31.7,32.9,34.4,33.7,33.2,31.3,30.1,27.5,24.3
1960,22.2,23.1,29.6,30.4,33.8,34.7,32.7,33.4,32.3,28.9,27.3,21.1
1961,21.5,21.5,27.6,31.2,33.5,34.2,34.2,32.8,32,30,25.7,23.3
1962,17.1,23.7,26.3,30.9,34.4,32.6,34.2,33.1,32.9,29.8,26.3,23.6
1963,19,22.2,26.9,31.5,35.3,33.8,33.4,33.2,33.9,28.5,27.3,22.9
1964,22.1,21.8,27.5,31.8,33,33.4,33.6,33.7,32.9,29.9,25,21.1
1965,21.7,25,27,31.2,33.4,32.4,34,32.9,32.6,29.9,26.8,23.1
1966,23.3,26.2,29.5,32.6,32.3,32.3,33.7,32.8,31.9,29.7,26.6,24.7
1967,20,20.6,27.3,30,34.4,34.5,34.4,34,31.5,29.1,26,20.4
1968,21.6,18.6,27.4,28.4,33.5,32.8,33.9,33.2,32.3,29,27.5,26.6
1969,23.9,24,28.2,32,35.4,33.6,34.1,32.5,32.5,30.8,24.9,22.1
1970,21.4,25.1,27.6,29.9,32.9,32.7,32.7,33.4,32.5,29.5,25.9,23
1971,20.3,22.3,27.2,31.2,32.4,33.5,33,31.5,32.7,28.7,26.1,22.3
1972,20.9,23.2,27.5,28.9,35,34.1,34.2,33,32.2,30.4,25.9,23.6
1973,21.7,27.1,28.9,32.6,34.1,34.2,33.6,32.9,31.8,29.1,25,22.1
1974,22.4,22,26,29.8,33.8,33.1,33.3,32.3,33,30.1,26.7,23.9
1975,22,24.4,29.3,32,33.2,33.4,33.8,33.2,33.3,30.1,24.8,20.9
1976,20.1,24.1,27,30.2,32.4,33.3,33.9,32.9,32.1,30,23.2,23.9
1977,20,20,27.3,30.5,34.7,35.7,33.6,33.8,32.1,29.7,25,24
1978,21.4,22.7,28.8,31.5,32.6,33.4,34,33.8,31.2,29.9,26.2,24.4
1979,24,26.1,29.6,31.2,33.4,33.1,35,33.2,32.1,29.3,25.2,24.3
1980,22.9,22.4,30.1,32.8,34,34.4,34.3,33.4,31.9,30.2,28,23.1
1981,21.5,25.4,29.1,31.9,32,33.3,33.9,34.5,33.3,29.8,26,20.9
1982,22.4,23.2,29.7,28.8,33.9,33.6,34.4,33.3,31.9,30.7,26.5,20.7
1983,19.7,22.8,25.7,33.1,34.9,35,35.7,33.6,32.9,29.9,24.7,21.3
1984,20.1,23.6,27.7,32.1,32.7,33.4,33.9,33.8,32.2,28.6,27.5,23.3
1985,21.8,24.2,24.6,29.9,33.7,33.5,33.5,33.6,31.8,30.2,26.3,23
1986,21.6,23.2,28.2,30.9,32,33.7,33.1,33.8,32.5,28.8,25.7,24.1
1987,22.8,25.4,29.3,31.3,35.7,34.5,34.5,33.3,32,31.1,27,21.6
1988,23.4,24.6,27.1,30.1,34,34.8,33.8,32.9,32.2,28.8,25.5,23.8
1989,20.4,22.7,25.2,31.5,32.3,33.5,33.7,33.9,33.1,29.6,26.8,23.8
1990,22.7,23.8,26.2,31.1,31.6,33,33,35.5,33.4,29.5,27.6,24.2
1991,22.8,24.6,29.1,31.2,33.8,33.3,33.7,33.2,33.4,29.9,25.4,23.2
1992,19.5,21.1,28.1,32.7,34.8,34.4,33.1,34.9,33.5,28.8,25.1,23.9
1993,19.5,24.8,27.9,31.7,33.3,35,34.7,33.6,32.8,29.2,27.3,23.1
1994,24.3,25.8,25.3,32.8,33.3,32.6,33.5,32.9,32.3,29.4,27.5,24
1995,20.7,22,27.8,32.5,33.4,34,33.5,32.5,32.6,30.9,25.2,22.6
1996,22.1,21.8,28.6,28.9,32.9,33.4,33.1,33.1,32.8,30.6,26.8,22.4
1997,21.9,22,27.3,29.1,34.4,34.3,32.7,33.3,30.5,30.7,27.5,24
1998,23.6,25.5,29.7,31.9,34.2,34,33.8,34.2,33.9,31.8,28.2,24.5
1999,22.2,25.1,29.5,30.9,30.9,34.3,33.9,32.8,32.7,29.6,25.9,21.6
2000,22.5,22.1,27.1,30.7,31.7,32.5,34,34.3,32.5,29.9,26.6,24.5
2001,23.1,23.1,26.8,31.7,31.5,33.5,33.4,33.9,33.3,29.4,25.5,23.3
2002,21.8,24.6,28,32.3,32.5,34.2,33.7,32.6,32.1,30.3,26.2,23.2
2003,21.4,25.7,26.8,32.5,34.4,33.7,35,34,32.3,29.9,27.6,23.3
2004,22.2,23.3,27.8,30.9,32.5,33.6,33.5,34.3,32.5,30.2,27.5,23.8
2005,21.3,25.9,25.8,30.6,35.7,34.2,34.2,33.4,33.3,30.2,27,21.8
2006,23.4,24,28.3,31.4,32.8,34.4,34.6,33.2,32.8,30.6,28.9,22.8
2007,20.3,25.6,29.1,29.6,32.8,35.2,34.5,34,32,29.7,25.6,24.7
2008,21.6,18.4,27.4,31.4,32.8,33.3,33.7,33.6,33.4,30.9,26.2,23
2009,20.3,28,29,30.8,32.6,34.6,34.3,34.6,34.2,31.7,27.3,24.2
