1901,8.4,10.6,11.4,11.9,12.2,11.9,12.8,12.6,12,10.5,8.5,6.5
1902,6.7,9.4,10.1,11,10.6,11,14.1,14.2,12.8,10.6,8.5,7.1
1903,8.3,8.5,10.4,12.5,11.1,11.2,13.4,11.7,11.8,10.2,7.5,5.8
1904,7.4,8.6,9.3,12.1,12.3,11.4,12.5,12.9,11.8,10.1,8.1,6.8
1905,8.2,9.4,10.5,11.3,10.2,12.3,13,12.3,11.8,11,8.7,7
1906,6.3,10.7,10.7,10.6,13.1,13.4,13,13.1,12.3,8.9,7.2,3.8
1907,5.5,9.2,10.4,10.8,11,11.5,12.7,11.9,11.6,9.1,8.2,4.4
1908,7.9,8.1,12.2,13.1,14.6,11.8,12.8,11.6,13,13,7.5,5.5
1909,6.8,9.4,9.7,10.2,10.8,10.9,12.1,13,12,8.5,6.1,6.3
1910,6.3,7.8,10,12.6,11.8,11.6,14,13.3,11.8,8.7,6.9,7.2
1911,6.9,7.7,10.6,12.1,13.1,13,12.9,12.8,11.6,9.6,7.8,6.6
1912,6.2,9.2,9.2,11.4,12,11.3,11.9,12.3,11.7,10.1,8.3,6.9
1913,8,8.4,10.3,11.6,10.3,10.5,12.6,12.5,11.8,10.1,7.7,6.6
1914,7.4,9.8,11.3,11.4,10.2,12.3,12.4,12.2,11.7,10.7,7.6,7.2
1915,8.5,9.9,10.8,11.5,11.9,12,12.2,12.1,11.7,10.3,8.2,6.6
1916,7.4,9.5,10.6,11.7,11.7,11.8,12.3,12.1,11.4,10,8.2,6.9
1917,8,9.7,10.7,11.1,11.9,11.9,12.4,11.9,11.5,9.7,7.7,6.6
1918,7.6,9.3,10.3,10.9,11.6,12,12.5,12.1,11.6,10.3,8.1,7
1919,8.7,10,11,11.1,12,12.1,12.5,12.6,11.8,10.1,8,6.7
1920,7.8,9.3,10.3,11.3,11.7,11.9,12.4,11.8,11.4,10.1,8,6.6
1921,7.6,9,10,11.9,11.8,11.9,12.5,12,11.7,10.2,8,7.3
1922,7.9,9.8,10.9,11.7,12,12.4,12.4,12.2,11.6,10.4,8.6,7
1923,8.5,9.4,11.1,11.2,11.7,12,12.2,11.8,11.6,9.9,7.7,6.9
1924,8.2,9.8,11.4,11.8,11.8,11.9,12.1,12.1,11.4,10.2,7.9,7.4
1925,7.4,9.2,10.9,11.7,11.8,11.9,12.4,12.2,11.6,10.4,8.5,7.1
1926,7.8,9.6,10.5,11.4,12,12.1,12.4,12.5,11.9,10.3,7.9,6.8
1927,8.1,9.6,10.6,11.1,11.9,12.2,12.4,12.4,11.5,10.3,8,7.5
1928,8.5,10.1,11.2,12,12,12,12.2,12.2,11.7,10.3,8,6.9
1929,8.3,10.1,10.8,12.1,12,12,12,12.1,11.5,10.2,8.3,6.8
1930,7.5,9.6,10.4,11.6,11.9,11.7,12.1,11.9,11.5,9.9,7.6,7
1931,7.7,9.8,10.7,11.3,11.9,11.9,12.2,12.2,11.8,10.4,8.5,7.2
1932,8.2,9.7,10.8,11.6,11.6,11.9,12.1,12,11.7,10.4,8.3,7.1
1933,8.4,10.2,11.1,11.2,12,11.9,12.2,12.3,11.8,10.7,8.9,7.6
1934,8.1,9.7,11.1,11.9,12,12,12,12.2,11.5,10.3,8.2,6.9
1935,8.1,9.8,11.3,11.6,11.8,11.8,12.1,11.8,11.4,10.1,7.9,7
1936,8,9.8,10.9,11.7,12.2,11.9,12.1,11.9,11.4,10.4,7.8,7.4
1937,8.1,9.9,10.8,11.8,12.1,12.1,12.5,12.4,11.8,10.4,9,7.5
1938,8.8,9.8,10.6,11.6,11.8,12.3,12.7,12.4,11.9,10.8,8.2,7.4
1939,8.2,10.4,10.9,12.1,12.8,12.3,12.5,12.1,11.4,11.1,8.3,7.3
1940,9.8,11.5,11.6,11.8,12.8,13.1,12.6,12.7,12.5,10.6,8.5,8.4
1941,8,10.1,11.1,12.5,12.1,11.8,12.5,12.2,11.7,10.4,8.1,6.3
1942,7.9,10.3,10.9,12.3,11.7,12.4,11.8,11.7,11.7,10.4,8.8,7.3
1943,7.9,8.7,10.1,11.4,12.1,11.5,12.1,12,11.5,10,8.8,7.8
1944,8.5,10.6,10.8,12.2,12.1,12.1,12.1,12.1,11.5,10.5,7.7,7
1945,8.1,8.8,10.8,12.3,12.3,11.5,12,11.7,11.2,9.9,8.1,6.8
1946,8.4,11.2,11.1,11.6,12.7,11.4,12.8,12.7,12.6,11.3,9.1,8.1
1947,9.3,10.4,11.1,11.1,12.3,13.7,13.1,12.9,12.2,10.9,9.9,7.6
1948,10,11.2,10.7,12.2,12.5,10.7,11.8,11.6,11.5,9.7,7.6,7.2
1949,8.7,10.1,11.9,13,11.8,11.4,11.5,11.8,10.8,10.6,8.6,6.9
1950,7.9,9,11.6,12.1,12.6,11.6,12.2,11.6,11,9.1,7.5,6.7
1951,9,12,13.4,12.4,13.7,13,12.7,12.4,8.9,12.1,10.5,9.4
1952,8.4,10,11.2,12.6,13.9,12.7,12.5,12.7,13.3,12.1,9.9,7.9
1953,8.7,11.1,12.8,12.7,13.2,13.3,13.1,13.2,12,10.5,10.5,9.7
1954,9.5,11.4,12.3,12.6,13.1,12.5,11.9,12.4,13.3,9.2,8.5,8.3
1955,9.8,9.9,11.6,12.3,12.7,12.1,12.1,11.7,13.4,9.8,7.9,8.7
1956,6.4,7,10.1,9.8,11.2,10.9,11.3,11.4,10.2,10.4,5,5.7
1957,6.4,8.5,9.9,10.3,11.4,10.9,10.6,11.5,11.2,9.1,8.4,6.7
1958,9.1,9.5,10.3,11.7,12.3,11.6,12,12.3,11.2,10,6.4,7
1959,9.7,10.5,10,11.7,12,11.6,11.8,11.6,11.6,10.5,7.2,6.9
1960,6.7,8.5,10.4,10.6,11.4,11.7,12,11.8,11.7,9.6,7.6,8.9
1961,8.1,9.9,11.2,12.4,12.2,11.8,12,11,11.3,9.7,8.1,5.9
1962,6.1,7.9,10.5,10.6,11.2,11.1,11.6,11.5,12.3,9.7,8.3,7.3
1963,8.6,10.9,10.8,11.5,12,11.6,12.4,11.9,10.9,10.1,10,9.1
1964,9.3,10.7,11.7,12,11.6,11.3,12,11.7,11.4,10.2,7,8.2
1965,8.6,7.7,10.1,11.6,11.5,11.8,12.1,12,11.1,10.7,9.8,8.3
1966,9.1,12,11.8,12.1,11.7,11.5,11.9,12.1,11,10.4,8.4,6.3
1967,5.8,9.7,12.1,11.9,11.9,11.8,11.9,11.7,11.1,9.9,10,5.9
1968,5.9,10.3,10,11.6,12,12,11.8,12,11.5,10.1,7.9,7.9
1969,10.7,10.7,12.3,12.1,12.1,11.8,12.2,11.8,11.5,10.4,8.3,5.5
1970,10,10.7,12.1,12.1,12.4,11.9,12.2,12.3,11.7,11.4,5.9,5.8
1971,8.7,8.2,9.8,10.9,11.6,11.6,11.6,11.2,11.3,10.7,8.8,6.8
1972,8.9,10.3,10.4,11.7,11.1,11,12.2,12,11.4,10.2,9.1,8.2
1973,9.4,8.9,10.8,12.6,12.4,12.6,12.2,12.2,11.7,10,7.5,4.1
1974,7,9.2,11.3,10.8,12.3,11.8,12.1,12.6,11.5,9.2,5.1,5.8
1975,7,11.1,11.5,12.5,12.8,11.8,12.1,12.4,11.6,10.7,6.7,5.7
1976,6.2,10.5,10.8,10.9,12.5,12.3,12.3,12.1,12.3,9.6,10.1,9.1
1977,11.3,11.8,12.1,12.5,11.8,12,12.3,12.2,11.7,12.1,9.3,8
1978,7,10.3,11.6,11.9,11.6,12.3,13,12.5,11.9,11.4,8.3,8.9
1979,10.4,10.7,11.2,11,12.5,12.5,12.7,12.9,12.7,11.1,7.8,8.3
1980,9.2,10.5,11.9,12.3,13,12.7,12.9,12.3,11.4,11.9,10,8.1
1981,7.9,8,12.3,12.1,12.5,12.3,12.5,12.6,12.4,9.9,7.2,5.6
1982,9.6,10.6,9.9,11.5,12.3,12.4,12.3,12.4,11.9,10.5,10,9
1983,7,10.5,12.5,12.7,13.3,12.5,12.7,13.5,12.6,11.4,8.4,5.5
1984,6.2,6.5,10.2,11.9,12.8,12.4,12,12.1,11.5,7.8,9.1,7.3
1985,6.9,8.5,10.3,11.6,12.2,11.7,11.8,11.8,11.5,9.6,7.7,6.4
1986,6.6,10.7,9.3,11.5,12.1,12.4,12.4,11.8,11.3,9.4,8.1,7.3
1987,7.1,8.9,11.9,11.5,12.3,12.2,12.7,12.4,12,11.4,8.2,7.7
1988,9.2,12.3,10.3,11.6,12,12.9,13.6,13.2,12.9,11.4,6.1,5.5
1989,6.9,9.4,11.2,12,11,11.6,12.5,12.7,12.3,9.2,8,10.8
1990,7.7,10.6,11.1,11.5,11.8,12.1,12.4,12.6,12,9.3,8.2,5.8
1991,10.1,10.6,10.8,12.5,12.8,12.7,13.1,12.5,12.6,9.4,6.3,7.1
1992,7.4,10.3,11.8,13,13,12.7,12.9,13,11.8,10.9,8.1,6.8
1993,8.2,9.6,10.5,12.2,12.4,12.3,12.4,12.5,11.6,10.4,8.4,4.4
1994,6.8,9.8,12.7,12.2,12.8,13.7,13.2,13.8,12,9.5,8.2,7
1995,7.4,10.3,11.1,12.6,13.1,12.8,13.1,13.2,12.2,11.7,9.5,8.6
1996,9.7,10.8,11.9,12.5,12.9,12.8,12.9,13,12.5,10.1,8.3,6
1997,9.1,9.5,11.9,12.1,12.7,13.1,12.9,13.8,13.2,9.7,8.3,6.6
1998,9.8,11.7,11.2,12.2,12,12,13.2,13.5,12.2,11.4,5.8,4.5
1999,6.6,7.3,10.6,12.1,10.8,12.9,12.9,10.8,11.3,11,5.9,5.5
2000,5.9,7.1,11.3,12.8,11.8,11.8,13.4,12.6,12.1,9.8,10.8,6
2001,8.9,8.6,11.2,12.4,12.1,12.7,12.5,12.7,12.4,10.2,7.4,6.4
2002,7.8,10.9,11.1,12.6,13,12.2,12.7,12.8,11.8,10,9.3,9
2003,8.5,9.6,11.5,11.5,12.2,13.5,13.1,13.6,12.9,9.8,7.9,7.1
2004,9.8,9.2,10.8,12.9,11.9,12.6,13,13.4,12.2,10.5,7.8,7.8
2005,6.8,8.7,11.8,12.8,13,12.5,13.4,13.4,12.5,11.1,8.7,5.9
2006,7.9,10.5,10.3,12.4,12.3,12.8,13.4,13.5,12.3,12.2,8.9,10.4
2007,9.5,10.2,10.1,12.5,13.3,13.6,13.6,13.8,12.9,10.3,9,5.8
2008,7.6,9.7,10.3,11.6,12.6,12.6,13.1,13,12.7,11.1,8.8,6.6
2009,8.3,9.4,12.7,11.9,12.1,12.9,13.7,12.4,12.6,10.4,9,8.7
