1901,10.6,11.2,11.9,12.8,13.3,13.1,12.6,12.7,12.9,12.7,12.2,11.2
1902,10.6,11.2,11.8,12.7,13.2,13,12.6,12.7,12.9,12.7,12.2,11.2
1903,10.6,11.2,11.8,12.7,13.3,13.2,12.6,12.7,12.9,12.7,12.2,11.1
1904,10.6,11.1,11.8,12.6,13.2,13.1,12.5,12.6,12.8,12.6,12.2,11.2
1905,10.6,11.1,11.8,12.7,13.2,13.1,12.6,12.7,12.9,12.7,12.3,11.2
1906,10.5,11.1,11.8,12.7,13.2,13,12.6,12.7,12.9,12.7,12.3,11
1907,10.4,11,11.7,12.6,13.1,13.1,12.6,12.7,12.9,12.7,12.2,11.2
1908,10.6,11.1,11.8,12.7,13.2,13.1,12.6,12.8,12.9,12.7,12.2,11.1
1909,10.5,11.1,11.9,12.6,13.2,13,12.6,12.6,12.9,12.7,12.1,11
1910,10.5,11,11.7,12.6,13.1,13.1,12.6,12.7,13,12.6,12.2,11.2
1911,10.5,11,11.7,12.6,13.1,13.1,12.6,12.7,12.9,12.7,12.3,11.2
1912,10.6,11.2,11.9,12.6,13.2,13.1,12.6,12.7,12.9,12.7,12.2,11.2
1913,10.5,11,11.7,12.6,13.3,13,12.5,12.6,12.8,12.8,12.2,11
1914,10.5,11.1,11.8,12.6,13.1,13,12.5,12.6,12.9,12.7,12.2,11.2
1915,10.6,11.1,11.9,12.6,14.5,14.2,13.9,14.3,13.8,14.3,13,12
1916,10.9,11.2,11.8,13.7,14.2,13.8,13.3,12.7,13.6,12.8,12.2,10.8
1917,9.9,9.9,11.6,12.8,13.3,12.6,12.8,12.6,13,12.8,12.2,11.2
1918,10.4,10.8,10.5,12.2,12,12.2,12.7,13.3,13.1,13.3,12.1,11.2
1919,10.5,11.1,11.8,12.6,13.3,13.1,12.5,12.7,12.8,12.6,12.1,11.1
1920,10.5,11.1,11.8,12.7,13.3,13,12.5,12.6,12.8,12.6,12.2,11.1
1921,10.7,10.9,10.7,12,12.4,12.6,12.7,12.2,12.9,11.8,11.9,10.9
1922,10.4,10.6,10.9,12.6,12.7,12.1,12,12.5,12.7,12.2,11.4,10.5
1923,9.6,10.2,11.4,12.7,13,12.9,12.5,12.3,13.2,12.3,12.4,11.3
1924,10.8,11.6,13.2,13.4,13.4,12.3,11.8,13.3,12.4,12.3,12,10.6
1925,9.8,10.3,10.6,12.5,13.2,13.1,12.1,12.4,12.4,13,12.2,11.6
1926,11,12,12.4,14.1,14.3,13.5,12.6,12.6,12.5,12.9,12.2,10.9
1927,10.3,10.5,11.5,11.7,12.4,12.4,11.4,12.7,12.3,12.8,12.5,10.6
1928,10.3,11.2,11.7,13,13.3,12.8,12.6,12.4,12.8,12.9,12,11
1929,10.4,11.4,12.1,12.3,12.8,12.9,12.5,12.5,13,13.1,12.4,11
1930,10.1,10.8,12,12.6,13,12.7,12.3,12.4,12.7,12.4,12.6,11.5
1931,11,11.5,12.6,13.3,13.8,13.3,12.4,12.7,12.8,12.9,12.3,11.1
1932,10.5,11,11.6,13.3,12.9,12.9,12.2,12.7,12.9,12.4,12.4,11.2
1933,10.6,10.9,12.5,13.1,13.4,13.3,12.9,12.9,13.6,12.2,12.2,11.4
1934,10.5,10.7,11.4,13.6,13.7,13.4,12.8,12.9,14.5,12.9,12.7,11.5
1935,10.7,11.2,11.9,13.5,12.9,13.1,12.7,12.5,13.5,13,12.1,11.4
1936,11.2,11.7,12.6,13.6,13.5,13.2,13.1,13.9,13.7,13,12.9,11.2
1937,10.6,11.3,12.8,13.7,13.4,13.2,12.8,13,13.1,13.1,12.8,12
1938,10.6,11.2,11,12.2,12.8,12.9,12.5,12.1,13.1,12.9,12,10.9
1939,10.4,10.4,11.5,12.6,13.5,12.9,12.8,13.4,13.5,12.8,12.6,12.3
1940,11.2,12.6,12.7,13.7,14.3,13.6,13.5,13.8,13.7,13.2,12.4,11.6
1941,11.3,12.7,12.9,14.3,15,14,13.7,14.3,14.8,13.9,13.2,12.7
1942,8.6,8.9,10.6,11.1,13.1,13.1,13.2,13.5,13.6,13.1,10.9,11.7
1943,10.7,10.8,10.5,12.5,12.2,11.7,11.7,12.4,13.4,12.7,12.1,11
1944,10.3,10.3,11.5,13.3,12.7,12.6,12.7,12.5,12.7,12.7,11.9,10.7
1945,11.5,11.8,12.5,13.3,13.6,13.9,13.3,14,15,13.4,13,11.4
1946,11.1,10.9,11.9,12.5,13.4,13.5,13.3,13.6,14,12.7,12.2,11.4
1947,10.8,11.5,12,12.9,13.4,13,13.2,13.8,13.6,13.1,12.7,11.4
1948,10.7,11.5,12.2,13,13.6,14,13.2,13.5,13.8,12.8,12.5,11.5
1949,11.2,11.8,11.8,12.7,12.1,10.7,10.8,12.4,12.1,11.8,10.5,10.2
1950,9.6,9.6,9.9,12.2,12.6,12.5,11.9,12.4,12.6,12.3,11.9,11.4
1951,8.8,9.7,10.2,12.4,12.5,12.2,12.1,12.4,12.9,12.8,11.7,10.9
1952,9.6,10.4,11.3,12.7,13,12.8,10.6,11.3,11.6,11.7,10.1,9.7
1953,9,9,9.9,11.5,11.6,11.9,11.4,12.6,10.8,9.9,9.7,8.5
1954,8.3,8.7,9.9,10.8,11.2,11.3,10.8,11.8,11.5,9.8,9.2,8.5
1955,6.9,8.5,9,9.7,11.4,10.7,12.1,11.2,10.7,10.4,9.5,9
1956,9.3,10,11.1,12.1,10.9,11.1,10.4,10.4,10.8,10.7,9.8,8.9
1957,7.4,9.1,9.5,11.1,11.5,12.1,11.2,12.1,12.1,11.1,10.8,9.9
1958,10.2,10,11.2,14.4,13.9,13.8,12.9,13.9,13.7,12.7,11.4,10.5
1959,9.7,9.6,11.2,12.4,12.2,11.2,12.4,12.4,12.4,12,10.8,10.7
1960,8.9,9.9,10.4,11.8,13.5,12,11.3,12.1,12.6,12.1,11.6,10.1
1961,10.4,10,11.7,12.7,12.9,12.5,12.3,12.6,12.3,12.4,11.7,10.9
1962,9.7,10.4,11.6,12.4,13.1,12.4,12.6,12.4,13,13.1,12.4,11.4
1963,10.3,11.2,11.9,12.4,13.2,13.3,12.7,12.7,13.6,13.6,12.5,12
1964,11.1,12.1,12.7,13.2,13.3,13.1,12.8,13.1,13.2,12.8,12.2,10.7
1965,10.1,11.6,12.1,12.8,13.3,13.2,12.5,12.6,13.1,13,12.7,11.8
1966,11.6,11,12,12.9,13.2,13.3,13.2,13,13.2,12.9,12.8,11.7
1967,11,11.1,11,12,12.8,12.8,12.3,12.3,12.6,12.5,12.5,11.3
1968,10.1,11.3,11.4,12.4,12.2,12.5,12.4,12.2,12.8,12.5,12.1,11
1969,11.1,11.7,13.1,14,14.8,14.4,13.4,13.3,13.3,12.8,12.4,11.7
1970,10.8,12.3,11.7,13.1,13,13,12.7,12.9,12.6,13,12.1,11.5
1971,10.8,10.6,11.4,12.3,12.9,12.7,12.7,12.2,12.8,12.7,11.9,10.9
1972,10.9,10.8,11.5,12.4,13.6,13.5,13.2,13,13.7,13,12.8,11.8
1973,11.6,11.5,12.7,13.4,13.2,13.5,12.8,13,13.1,13.1,12.3,10.7
1974,10.2,10.7,10.9,12.2,12.6,13.4,12.3,13,12.7,12.6,12.2,10.3
1975,9.3,11.1,12.1,12.3,12.7,12.9,12.1,12.7,12.7,12.5,12.2,10.9
1976,9.9,10.4,11.2,12.7,13,13.2,12.8,12.7,13.2,13.2,12.2,11.2
1977,10.8,11.5,12.4,13.2,13.7,13.5,13,13,13.3,13.2,12.8,11.2
1978,10.8,11.1,12.3,13.3,13.6,13.4,13.5,13.1,13.3,13,12.7,11.4
1979,10.4,11.6,12.2,13.2,13.3,13.4,13,13.2,12.8,13.5,12.8,11.8
1980,11.4,11.3,12.1,13.3,13.8,13.6,12.8,12.9,13.1,13,12,12.2
1981,10.7,11.8,12.2,12.9,13.1,12.8,12.6,13.1,12.8,13.1,12.7,12
1982,10.9,11.6,11.9,12.9,13.2,13.4,12.7,12.5,13.1,12.5,12,11.7
1983,11.5,11.7,13.4,13.7,13.7,13.6,13,13,12.9,12.4,11.9,10.9
1984,9.9,11,11.5,12.5,12.8,12.9,12.3,12.5,12,12.3,11.6,10.4
1985,9.7,10.1,11.3,12.3,12.6,12.7,12,12.2,12.6,12.4,11.8,10.2
1986,10.4,10.3,10.8,12.6,13,12.8,12.1,12.5,12.8,12.6,12.1,10.8
1987,10.6,12.3,12.7,13.4,13.3,13.3,13.5,12.9,13.4,13.1,12.5,11.3
1988,10.4,11.6,11.4,12.8,13.5,12.8,12.3,12.2,12.4,12.2,11.9,10
1989,9.7,9.6,11,13.2,13.6,13.6,13.8,13.5,13.8,13.6,13.3,11.9
1990,11.9,12.1,12.7,13.6,13.9,14,13.5,13.4,13.4,12.9,12.6,11.4
1991,10.8,11.5,12.3,12.6,13,13.4,13.6,13.8,13.8,13.2,13.1,12
1992,11.9,12.5,13.2,14.4,14.4,14,13.2,13.1,13.5,13,12.4,11.3
1993,11.2,11.4,12.2,13.1,13.3,14,13.7,13.3,13.3,13.4,12.8,11.7
1994,11.3,11.6,12.5,13.2,13.4,13.1,13.1,13.3,14,13.4,12.9,12
1995,11.2,11.3,12.4,13.8,13.7,13.7,13.5,13,13.2,12.9,12.3,11.9
1996,10.7,11.8,12.1,12.8,13.2,13.6,13.1,13.4,13.6,13.1,12.7,12
1997,11.2,11.9,11.8,13.3,13.7,14,13.6,13.9,14.3,14.1,13.3,12.8
1998,12.5,13.6,14,14,14.8,14.3,13.5,13.7,13.8,13.4,13.1,11.3
1999,11.4,11.8,12,12.8,13.6,13.6,12.9,12.9,13,12.6,12.4,11.5
2000,10.5,11,11.6,12.4,13.4,13.3,12.7,12.9,13,13.2,12.2,11.5
2001,10.2,10.8,12.2,13,13.4,13.3,13.1,14.9,13.3,13.3,12.5,12.5
2002,11,11.5,12.1,13.1,14,13.3,13.5,13.3,14,14.7,15.5,11.7
2003,11.4,12.3,12.7,13.2,13.8,13.3,13.1,13.7,13.3,13.2,12.6,12.1
2004,11,11.3,13.7,13.4,13.6,13.3,13,13.1,14.4,12.9,12.2,11.7
2005,11.5,11.2,12.5,13.6,13.5,13.6,13.4,13.4,13.6,12.4,12.3,11.1
2006,10.6,11.3,13,12.8,15,13.3,13.1,13.1,13.3,13.4,12.6,11.8
2007,13.8,11.1,12.4,12.6,13.7,13.4,13.4,13.3,12.8,12.7,12.4,13
2008,11,11.3,11.7,12.7,13,13.6,12.9,13.1,13.3,13.5,13.8,10.8
2009,10.9,10.4,12,13.1,13,13.2,12.9,13.4,14.5,13.4,14.3,13.1
