1901,22,20.6,25.9,27.4,30.8,33.3,34.6,34.2,33.8,31.3,26.8,21.7
1902,19.8,21.1,27,29.8,32.9,34.2,34.2,35.3,34.3,30.5,27.7,21.3
1903,19.7,20.2,22.5,27.5,30,32,33.9,33.3,32.8,28.5,24.4,19.8
1904,19.9,24.2,27.8,29.3,30.3,33.1,32.7,33.2,33.2,29.4,23.7,20.8
1905,19.7,16.2,25,29.2,32.7,32.8,34.4,35.8,34.5,29.2,25.7,18.9
1906,20.8,20.6,24.5,28.1,30.8,34.9,34.2,32.9,33.8,27.3,23.9,22.4
1907,23,22.9,28.1,28.6,30.1,33.9,34.2,34.5,34,30.3,22.8,21.9
1908,22.7,22.6,28,30.9,32.6,33.8,34.4,35.1,33.6,28,24.8,20.6
1909,22,22.9,27.1,29.2,30.8,33.8,34.8,34.5,32.6,28.8,27.5,18.2
1910,20.3,20,26.5,28.1,30.7,33.6,34.7,35.5,32.2,28.5,26,20
1911,22.5,23.4,26.5,29.1,29.9,34.1,34.3,35.7,35,29.4,22.8,18.8
1912,18.8,19.4,23.3,28.4,32,31.4,34.1,35.6,34.7,29.4,23,17.9
1913,19,18.7,23.9,27.4,29.9,31.2,34.1,35.5,32.4,28.9,26,19.6
1914,22.1,21,23.2,27.3,29.7,32.8,35.3,34.9,33.5,28.7,23.1,14.8
1915,17.5,20.6,20.6,25.7,31.2,34.4,34.8,35.4,33.6,29.8,26.5,22.5
1916,22.8,21.8,27.5,28.5,31.9,34.5,33.9,33.3,31.9,28.4,24.2,21.6
1917,19.9,23,25.1,28.2,29.5,33,34.5,35.5,32.6,28.6,24.8,19.6
1918,18.8,21.8,27.1,27.8,30.4,33.6,35.2,34.7,32.6,29.4,22.2,20.6
1919,16.8,19.6,24.4,27.6,31.2,31.3,32.4,34.6,32.7,30.3,25.2,21
1920,18.3,21.8,24.8,29.5,31.4,32.1,34.6,35,35.4,29.2,22.5,21.4
1921,23.1,22.7,27.4,28.6,30.3,33.5,34.8,35.8,34,30.5,27.8,24.9
1922,18.3,23.3,25.8,30.4,32.4,32.9,35.3,35.5,33.6,29.4,24.4,23.3
1923,22.1,19.3,23.3,28.4,33.2,34.8,36.6,37,33.9,28.1,23.3,21.2
1924,19.7,20,23.8,27.9,30.1,34.2,34.6,37.3,33.7,29.5,27.4,18.6
1925,19,22.7,26.3,29.9,32.1,34.1,36.8,36.3,33,30.3,24.7,18.1
1926,19.5,25.3,24.6,26.5,30.8,34.9,34.3,36.6,35.7,32.3,23.4,21.5
1927,22.2,24.6,26.2,30.8,34.5,34.2,35.2,36.4,34.1,30.4,28,18.6
1928,20.8,20.7,26.1,26.7,30.8,35.4,36.7,37.3,32.3,30.1,22.6,19.6
1929,22.2,19.1,26.4,30.1,31.3,34.3,34.1,35.3,33.6,29.5,21.8,18.9
1930,16.1,23.5,22.7,28.6,30.2,32.5,35.1,36.4,34.7,28.8,23.2,18.3
1931,18.2,21.7,22.8,24.7,28.6,33.4,34.3,34.7,33.9,31.2,28,21.2
1932,21.9,25.6,23.8,28.1,30.8,34.9,35.8,36,32.8,29.1,24.4,18.2
1933,22.7,21.2,26.8,30,33.8,33.8,34.8,34,33.8,30.1,26.4,25.9
1934,22.7,22.8,24.8,28.4,32,35.8,35,35.2,32.9,31.5,26.5,22.1
1935,23.6,22.5,28.2,29.6,31.1,32.7,35.9,37.1,33.2,30.7,25.7,18.8
1936,19.8,20.1,26.5,26.9,29.2,34.3,34,33.4,31.7,27.7,23.4,21.8
1937,21,22.6,22.7,28.4,30.1,35,34.5,36.5,34.4,31.3,24.2,20
1938,20.7,23.3,28.2,27.1,31.7,34.6,36.2,35.3,32.9,30.9,24.8,22.5
1939,21.7,23.3,26.6,29.1,31.9,33.4,35,34.7,32.9,29.4,22.8,22.4
1940,15,22.1,24.7,28.2,30.8,33.2,34.8,35.8,32.9,29.5,23.2,20.2
1941,20.2,18.6,20.8,27.4,30.4,32.9,34.8,35.2,33.8,31,23.4,20.4
1942,17.5,19.5,23.7,27.1,30.8,34.3,34,34.9,31.9,29.8,25.9,23
1943,18.3,23.7,23.2,29.1,31.9,33.6,35.3,36.1,31.7,28.5,23.2,18.6
1944,19.1,23.3,24.2,28.7,29.8,33.5,35.4,35.1,32.4,29.2,23.7,19.7
1945,19.9,23.5,27.6,28.7,31.1,33.5,34.7,34.7,33.5,29,27.4,20.6
1946,18.4,21.8,26.4,28.7,31.9,32.4,35.6,35.4,32.7,29.4,24.4,21.9
1947,17,18.9,23,28.2,31.3,34.3,35.8,33.8,34.4,31.7,24.3,19.9
1948,17.2,21.3,24.2,30,32.4,35.3,35.4,36.4,32.5,29.3,25.1,24
1949,18.3,21.9,25.1,27.1,32.1,34.6,34.7,35,33.6,28.9,26.1,21.9
1950,23.8,24.3,24.5,27.9,32.5,33.9,34.9,35.9,34.6,31.7,25,22.7
1951,21.5,21.6,25,28,31.1,33.6,35.8,36.4,33.5,30.1,22.8,23.3
1952,24.2,24.3,24.8,27.2,31,33.3,34.9,36.4,32.8,28.3,22.5,19.7
1953,23.6,21.5,27.5,30.1,31.9,36.1,36.2,35.1,33.7,29.3,23.6,18.3
1954,21.9,25.5,24.7,29.1,30.3,33.9,36.1,36,34.7,29.3,24.7,23.1
1955,20.3,21.4,26.3,30.1,32.7,34.1,34.8,35.1,32.2,29.7,23.9,21.8
1956,21.5,23.1,25.4,28.1,31.8,33.9,35,35.4,33.3,30.8,23.6,22.9
1957,21.8,24.6,25,27.4,30.8,33,35.8,35.9,32.5,27.8,22.3,22.5
1958,18.4,19.4,21.8,28.7,31.3,34.6,35.1,36.3,32.2,26.2,23.6,18.9
1959,17.2,19.5,22.7,25.8,31.6,33.1,34.7,34.9,33.4,28.9,21.9,21.5
1960,19,20.3,21.6,28.2,29.9,34.4,35.3,34.3,32.3,29.9,24.3,17.6
1961,16.3,21.6,26.4,27.5,31.9,33.4,34.2,34.6,31.8,29.2,22.9,21.4
1962,18.2,26,24.1,28.1,31.1,33.2,35.3,37.2,33.8,31.5,24.8,19.4
1963,17.5,21.3,26.6,31.1,31.8,34.5,34.7,36.2,34,30.3,25.3,16.2
1964,19.5,19.5,24.5,29.6,32.3,33.8,35.7,36.4,33.8,28.7,26,20.1
1965,22.1,20.2,22.6,29.6,30.5,33.8,35.6,34.5,34,27.7,26.6,21.5
1966,16.2,18,23.8,28.1,29.3,32.6,34.9,35.1,33.3,28.5,26.2,21
1967,19.2,20.9,26.5,31.3,32.4,34.6,35.6,33.7,30.4,28.1,24.6,20.4
1968,17.7,18.4,22.8,28.1,31,32.8,33.7,35.2,32.2,29.8,24.2,21.9
1969,21.3,21.7,22,29.2,31,34.3,36.9,35.8,33,29.2,23.8,22.7
1970,17.1,22.1,23.4,29.2,29.8,32.8,34.4,35.5,32.6,28.5,24.4,24.8
1971,23.5,24.3,27.8,28.6,31.5,33.8,35.7,34,31.7,28.9,25.3,22.9
1972,22.6,22.4,26.8,30.6,30.3,32.5,33.2,34.2,33.6,29.6,20.4,19.7
1973,17,19.4,26.5,26.5,31.2,31.7,34.7,33.2,32.2,29.1,27.5,22.6
1974,19.8,23.5,27,28.9,32.2,33.1,34.7,35.1,31.5,28.4,23.1,19.9
1975,21.8,22.9,26.6,29,32.1,33.4,34.1,33.9,31.4,29.9,25.4,21.1
1976,20.9,25.5,26.2,28.1,29.5,33.3,32.5,34.6,32.9,25.5,19.4,17.7
1977,15.7,21.4,25.9,28.7,31,33.6,35.1,36.1,35.2,30.3,26,23
1978,15.4,17.2,25.6,28.7,33.5,34.7,36.4,35.7,32.2,29.5,25.3,21.2
1979,16.2,19.5,25.5,28.5,30.2,33.3,34.7,34.6,30.6,31,23.1,20.3
1980,21.9,20.3,25.6,28.5,32.3,36.1,37.7,34.7,34.8,28,22.1,20.9
1981,19.3,21.4,24.6,29.8,31.4,33.5,34.9,35.5,33.3,29.9,26.4,22.3
1982,21.5,20.2,26.1,28.6,30.8,34.9,36.7,36.7,35,29.8,23.8,20.8
1983,19.2,21.4,25,28.4,31.1,34.5,34.4,35.5,32.5,29.4,26.3,16.4
1984,16.2,21.9,26.1,30.9,31.8,34.2,35.6,35.8,31.8,29.7,24.4,24.5
1985,16.4,18.5,25.4,28.9,32.3,33.5,34.4,36.4,33.6,29.3,26.3,19.4
1986,21.7,24.2,26.9,30.1,31.2,33.9,36.3,35.7,34.5,28.9,23.2,18.2
1987,19.3,21.7,23.8,28,31.5,33.1,34.7,36.3,34.4,29.4,24.1,21.5
1988,17,20.6,24.9,29.3,31.5,34.5,36.1,36,33.5,30.4,27.1,22.3
1989,22.5,19.5,25.9,29.1,33,34.6,35.3,35.3,33.9,30.5,25.5,15.8
1990,22.7,24.4,25.3,28.3,31.7,35.7,34.7,36,33.4,29.9,26.4,21.5
1991,18,22.9,28.5,29.8,32.2,34.5,34.7,36.2,31.5,30.7,22,20.7
1992,17.3,23.1,26,27.6,29.8,34.3,35.1,35.2,33.6,30.5,23.2,21.8
1993,19.7,22.4,25.5,27.8,30.6,32.5,34.9,36.5,34.4,29.7,22.5,21.8
1994,20.7,21.6,25,28.2,31.2,34.3,35.7,34.6,32.8,29,26.9,21.7
1995,19.8,24,23.6,28.6,32.4,34.1,35.7,34.5,34,29.3,23.8,20.3
1996,21.4,22.6,23.3,28.8,32.8,35.1,36.4,35.1,33,29.2,25.8,22.5
1997,18.3,21.3,25.2,26.1,30.3,33.6,36,36.1,34.5,27.9,22,20.5
1998,23,23,24.3,28.6,33.5,35.8,36.9,36.2,33.2,29.1,25.2,20.6
1999,23.1,25.6,26.4,29.9,32.4,33.6,34.5,36.6,33.6,30,26.9,22.3
2000,22.9,25.8,28,29.9,33.1,34.2,36.8,35.9,34.9,28.5,23.2,17.9
2001,18.6,23.2,24,30.4,32.3,35.4,36,36.2,32.2,29.3,25.7,21.7
2002,22.3,20.4,25.7,30.8,32.6,34.9,34.8,36.8,33.7,29.4,23.2,21.1
2003,19,20.3,25.1,29,33.9,34.4,34.3,35.1,31.9,29.1,26.1,22.3
2004,20.3,20.8,26.7,28,31,33.9,35.7,35.9,33.5,32.3,26.4,21.9
2005,23,22.1,26,29.8,32,35.3,36.2,36.9,35.7,30.4,26.8,21.3
2006,24.3,24,28.1,32.3,33.6,34.5,35,36.9,33.4,30,26.9,21.1
2007,17.2,21.8,26.5,27.1,31.5,33.4,33.5,35.3,33.5,30.9,26,23.9
2008,20.1,25.7,27,30.1,32.5,36.1,34.1,35,33.1,29.8,25.8,22
2009,23.5,25.9,26.5,30.1,33.3,35.6,37.3,37.3,32.8,29.9,25,17.3
