1901,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1902,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1903,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1904,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1905,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1906,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1907,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1908,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1909,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1910,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1911,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1912,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1913,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1914,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1915,5.9,6.2,7,7.8,9,8.4,7.9,9,7.6,8.6,7.9,7.1
1916,6.1,6.2,6.9,8.5,8.7,8.1,7.5,7.7,7.5,7.4,7.3,6.2
1917,5.3,5.2,6.7,7.8,8,7.1,7.1,7.6,7,7.4,7.3,6.5
1918,5.7,5.9,5.9,7.3,7,6.8,7,8.2,7.1,7.8,7.3,6.5
1919,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1920,5.9,6.2,7,7.8,8,7.6,7,7.8,7,7.4,7.4,6.5
1921,6,5.9,6,7.1,7.3,7.1,7,7.3,6.9,6.6,7.1,6.3
1922,5.7,5.7,6.2,7.6,7.5,6.8,6.5,7.6,6.8,6.9,6.7,6
1923,5.1,5.7,6.7,7.5,7.5,7.6,6.3,7.5,7.2,7,7.5,6.2
1924,6.6,6.3,7.8,8.2,8.2,7,6.5,7.9,6.2,6.8,6.9,6.1
1925,5,5.1,5.8,7.4,8,7.3,6.7,7.4,6.8,7.7,7.2,6.6
1926,6.3,6.7,7.6,8.8,8.7,8.1,7,7.7,6.7,7.4,7.5,6.1
1927,5.5,5.7,6.8,7.3,7.6,7.2,6.1,7.9,6.8,7.1,7.7,6.6
1928,5.8,6.4,6.7,8,7.9,7.4,6.8,7.6,6.9,7.4,7.3,6.2
1929,6,6.4,6.8,7.7,7.7,7.3,6.4,7.8,7.1,7.5,7.5,6.6
1930,5.1,6,7,7.8,7.7,7.1,6.6,7.2,6.5,7.2,8,6.8
1931,6.3,6.8,7.8,8.4,8.6,8,7,7.7,7.1,7.4,7.3,6.8
1932,6.3,6.4,6.8,8.8,8,7.7,6.5,8.1,6.8,7.2,7.6,6.6
1933,6.6,6.1,7.4,7.9,8.3,7.6,7.5,7.2,7,6.4,7.1,6.1
1934,5.3,5.3,6,7.7,7.4,7.8,6.5,7.4,7.9,6.8,7.2,6.5
1935,5.6,5.7,7.1,7.8,7.4,7.4,6.5,7.5,6.3,7.4,7.1,6.8
1936,6.2,6.2,7.7,8.1,8.1,7.2,6.6,7.5,6.9,7.1,8,6.2
1937,5.7,6.3,7.7,8.1,7.7,7.6,7.1,8,6.9,7.2,7.7,6.9
1938,5.7,6.1,6.1,7.3,7.4,7.1,6.5,7.1,6.6,7.2,6.9,6.1
1939,5.1,5.5,6.7,7.2,7.7,7.3,6.7,8.2,7.3,7,7.6,7.3
1940,2.4,3.9,4,8.5,8.3,7.5,7.4,8.5,7.1,7.1,6.9,3.3
1941,4,4.1,5.7,7.7,8.7,7.9,7.1,8.4,7.8,7.9,7.7,7.6
1942,4,5.2,6,6.3,7.6,6.7,6.2,7.6,6.8,7,6.1,6.4
1943,5.7,5.4,5.6,7,6.9,5.9,7.2,7.1,6.8,7,6.8,5.4
1944,4.4,3.8,5.5,6,8,7.1,6.8,7.6,6.3,7.3,6,5.4
1945,5.7,5.7,6.7,7.7,7.9,8.3,7.2,8.9,8.4,8,7.6,6.7
1946,5.8,4.6,6.1,7.5,8,7.5,7.2,8.3,7.7,7.6,7.4,5.5
1947,5.9,5.7,6.4,7.7,8.1,7.5,7.1,8.4,7.4,7.5,7.4,6.3
1948,5.7,6.7,7.5,8.1,8.1,7.9,7,8,7.7,7.6,8,7.1
1949,6.7,6.9,7,7.7,7.3,5.9,5.4,7.4,6.2,6.7,6.2,5.9
1950,5.5,5.9,6.1,7.4,7.3,7.2,6.3,7.5,6.5,6.8,6.9,6.8
1951,4.2,5.5,6.3,8.1,7.8,7.5,6.9,7.9,7.5,7.4,7,7
1952,5.6,6.1,6.7,8.3,8.6,7.8,6.2,7.1,5.9,6.7,5.9,5.5
1953,4.3,4.9,6,8.4,8,7.1,6.5,8.4,5.5,5.4,6.8,5
1954,3.2,3.7,5.3,5.9,6.4,5.5,5.1,6.7,5.7,5.7,5.4,4.6
1955,3.9,4.2,5.2,5.9,6.7,5.3,6.3,6.4,5,5.2,5.2,4.2
1956,4.4,5.4,6.5,7.3,6.1,5.2,5.2,6.4,5.3,5.7,5.2,4.3
1957,2.8,5.4,5.5,6.7,6.9,7.2,6,7.6,6.5,5.9,6,5.3
1958,5,4.9,7.9,9,9.1,8.2,7.1,8,6.7,7.4,6.3,6
1959,4.8,5.1,7,7.8,7.3,6.2,6.8,7.3,6.9,7,6.5,6.3
1960,4.6,5.4,5.7,7.1,8,6.8,5.4,7.1,6.8,7,7,6.1
1961,4.9,5.2,6.8,7.4,7.6,6.9,5.9,7.2,6,6.7,5.9,5.7
1962,4.7,5.5,6,7.1,7,6.4,6.4,7.2,6.3,6.8,6.7,7.1
1963,5,5.3,6.5,6.4,7,7.2,6.7,7.3,6.5,7.1,6.3,6.6
1964,5.2,6.3,7,7.3,7.6,6.5,6.3,7.3,6.7,6.5,6.7,5.2
1965,4.9,5.5,6.8,7.3,7.2,7.8,7.1,7.7,7.1,7,7.2,6.5
1966,6.9,6.1,7.3,7.6,8,7.1,6.9,7.7,6.8,6.4,6.5,6.2
1967,5.3,5.8,6.2,7,7.3,6.9,6.2,6.9,6,7.6,6.9,6
1968,4.9,5.5,6.4,7.1,7.1,6.8,6.4,7.1,7.3,6.7,8,5.3
1969,6.2,6.2,7.3,7.7,8.6,7.2,6.4,7.3,6.6,6.5,6.7,6.5
1970,5.6,5.6,6.4,7.9,7.4,7.4,7,7.8,7.1,6.8,6.8,5.8
1971,6,5.6,6.9,7.2,7.6,7.3,7.1,7.4,6.3,7,6.7,5.6
1972,6.5,5.7,7.4,7.2,8.5,8.5,8.1,7.8,8,7.3,8.1,6.8
1973,7.4,6.5,8.4,8,8.4,7.5,7.3,8.1,6.8,7.7,7,6.4
1974,5.8,6.7,6.2,7.1,7.7,7.5,7.2,8.1,6.6,7.2,7.6,5.6
1975,4.8,5.7,7.5,7.1,7.2,7.5,6.2,7.7,6.4,6.7,7,6.5
1976,6,5.9,7,7.9,8.1,7.8,7.7,8,7.5,7.9,7.5,6.9
1977,6,6.6,8.2,8.6,8.4,7.8,7.6,8.1,7.6,8.3,8,7
1978,5.8,7.5,7.5,8.6,9.1,7.9,7.1,8,7.4,8.2,8.3,7.2
1979,6.3,6.8,7.7,8.8,8.2,8.2,7.6,8.5,7.3,8.4,8.2,7.4
1980,7,6.8,8.3,9.1,8.9,8.6,7.5,8.1,7.9,8.2,8,7
1981,5.9,7.3,7.4,8.5,8.4,7.9,7.3,7.9,6.9,7.7,8,7.6
1982,6.5,7.2,7.5,8.4,8.4,8.1,7.5,8.4,8,7.8,8.3,7.7
1983,7.9,7.8,9,9.2,9.2,8.4,7.8,8.7,7.8,8.1,8.3,7.2
1984,5.8,6.6,7,8,7.6,7.2,6.5,7.7,6.8,7.7,7.8,6.6
1985,6,5.8,7.5,8,8.3,8,7,7.7,7.4,7.8,7.5,6.7
1986,6.3,6.4,6.9,8.2,8.2,8,7,7.8,6.9,7.4,7.9,7
1987,6.5,7.2,7.6,8.6,8.4,7.8,7.7,8.3,7.5,7.8,7.9,6.8
1988,6,6.5,6.8,8.1,8.3,7.2,7.1,7.5,6.7,7.4,7.7,6
1989,5.7,5.3,6.1,7.5,8,7.6,6.9,7.8,7,8.1,7,5.4
1990,5.4,6.3,7.3,7.8,8.1,7.9,6.9,7.8,7.4,7.4,8,7
1991,5.8,7.1,8.1,8.6,9.3,8.7,7.7,7.9,7.7,7.6,7.9,7.8
1992,6.9,7.6,8.2,9.2,8.4,8.8,7.5,8.6,6.9,7.7,7.9,7.2
1993,6.8,6.7,7.7,9,8.6,8.2,7.6,8.5,7.4,7.9,8.1,7.4
1994,6.4,7,7.5,8,8.3,8.2,7.2,8.2,7.7,7.4,7.8,6.9
1995,6.1,6.6,7.6,8.5,8.3,8.3,7.8,7.6,7.3,7.6,7.6,6.8
1996,5.7,7.2,9.3,9,7.8,8,7.8,8.5,7.4,8.6,10.2,7.8
1997,7.2,8,7.6,9.3,9.2,9.4,7.5,8.1,8.3,10.2,9.6,10.7
1998,8.7,8,10.4,10.3,9.4,9.5,9,9.4,7.7,8.8,9.3,10
1999,8.3,7.4,6.9,7.8,7.9,7.7,7,7.6,6.8,7,7.4,6.6
2000,5.3,5.6,6.4,7.1,7.7,7.6,6.7,7.7,6.9,7.4,7.2,6.5
2001,5.3,5.8,7.4,8,8,7.2,6.8,8.4,6.6,7.8,7.6,7.9
2002,6,6.7,7.1,7.9,8.1,7.3,7.3,8.5,6.7,8.9,10,9.9
2003,8.8,7.4,9.6,9.7,9.1,9,8.8,8.1,8,8.8,10.6,8.3
2004,6.9,8.8,8.9,9.5,7.9,9,6.8,8.5,7.8,7.5,9.8,9.6
2005,8.1,7.4,9.3,10.4,8,9.5,7.2,8,7,9.1,9.4,9.4
2006,8.2,6.1,8.1,9,9.7,9,8.2,8.7,7.2,9.3,6.5,9
2007,8.7,6.8,8,8.9,9.4,9.1,6.9,7.5,6.7,9.5,7.5,9
2008,5.8,6.3,6.5,7.8,7.8,7.8,6.9,7.4,7.3,7,7.9,7.1
2009,6,5.2,6.2,7.7,7.2,7.2,6.2,8.1,8,7.8,8.9,7.6
