1901,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1902,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1903,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1904,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1905,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1906,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1907,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1908,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1909,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1910,13.1,12.6,12.9,12.2,11.7,10.4,10.3,10.7,11,11.6,12,11.7
1911,12.8,12.2,12,12.2,11.8,11.4,10.9,11.5,11.6,12.3,12.9,12.8
1912,13.7,13.4,13.7,13.7,12.1,10.8,10.6,11,12,12.6,12.2,12.4
1913,13.5,12.4,13,13,12.2,11.1,11.2,11.9,12.3,13.5,13.6,12.8
1914,13.7,13,12.9,12.9,11.9,10.9,10.9,11.7,12,12.7,12.6,12.9
1915,13.7,13.8,13.2,13.5,12.6,11.3,11.3,11.7,11.7,12.3,12.3,12.6
1916,13.1,12.9,13,13.4,12.4,10.6,10.3,10.9,12,12.1,12,12.6
1917,13.3,13.1,13.2,13.4,12.7,11.9,10.9,11.2,11.7,12.1,12.8,11.9
1918,13,12.3,12.8,12.9,11.1,12.7,12.2,12.7,12.2,12.4,12.4,12.3
1919,13.5,13.1,12.8,13.3,13,10.8,10.4,11.1,11.8,12.1,12.4,12.1
1920,13,12.6,12.9,12.5,11.7,10.5,9.8,11,11.5,12.3,12.2,11.5
1921,12.4,12,12.4,12.3,12.2,10.1,9.5,10.9,11.2,11.9,12.3,12
1922,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1923,12.8,12.5,12.6,12.8,12.4,11.6,11.1,11.6,12.2,12.8,12.8,12.4
1924,13.2,12.6,12.8,12.9,12.4,11.5,11.2,11.6,12.1,12.5,12.8,12.4
1925,12.9,12.4,12.6,12.9,12.5,11.6,11.2,11.7,12.1,12.8,12.8,12.6
1926,13,12.5,12.8,13,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1927,13,12.5,12.7,12.9,12.5,11.6,11.1,11.7,12.2,12.7,12.8,12.5
1928,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1929,13,12.5,12.7,12.9,12.5,11.6,11.1,11.7,12.2,12.7,12.8,12.5
1930,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1931,13,12.5,12.8,13,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1932,13,12.5,12.7,13,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1933,13,12.5,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.7,12.4
1934,12.9,12.4,12.6,12.9,12.4,11.6,11.1,11.7,12.2,12.7,12.8,12.5
1935,13,12.4,12.7,12.9,12.5,11.6,11.2,11.7,12.2,12.7,12.8,12.5
1936,13,12.6,12.8,13,12.5,11.6,11.2,11.7,12.2,12.7,12.9,12.5
1937,13,12.5,12.8,13.1,12.7,11.9,11.6,12.1,12.5,12.8,13.1,12.7
1938,13.3,12.7,12.8,13.1,12.7,11.7,11.5,11.9,12.5,12.7,13,12.7
1939,13.1,12.6,12.8,13.3,12.7,12,11.6,11.7,12.3,13,12.9,12.6
1940,13.2,12.9,13,13.1,12.9,12,11.6,11.8,12.5,13.1,13.3,12.6
1941,13.3,12.9,13.3,13.3,13.1,11.7,11.7,12.2,12.6,13.6,14,13.5
1942,13.6,13.1,13.2,13.5,12.9,12.2,12,12.4,12.6,13.5,13.7,12.5
1943,15.7,13.2,15.9,14.8,12.7,12.1,12.5,12.2,13.2,14.2,13.7,14.1
1944,14.6,13.9,13.3,14,14,12.8,14.5,13.5,14.5,14,13.8,13.9
1945,14.5,13.9,13.7,13.5,13,11.7,11.9,13,14.2,14.2,14.5,13.3
1946,13.5,13.4,13.8,13.8,13,12.1,11.4,12.1,12.7,13.6,13.9,12.5
1947,13.4,13,13.3,13.3,13,11.6,11.2,11.7,12.2,12.4,12.7,12
1948,13.1,12.8,12.6,13,13.8,12.1,11.3,11.4,12.3,13,12.9,12
1949,13.7,12.9,13.8,11.6,11.1,10,10.2,10.1,10.6,11.2,12.1,11.5
1950,11.9,10.9,11,11.1,11.6,9.9,9.6,10.4,11.4,11.6,12,11.2
1951,12.2,10.9,11.7,11.6,12.1,11.2,11.3,11.4,11.8,12.3,12,11.9
1952,13,11.8,12.4,11.9,11.6,10.2,10.1,10.5,11.4,11.8,11.5,11.8
1953,12.2,11.7,12,13.1,12.8,11.6,10.7,11.5,12.7,12.1,12.2,11.8
1954,12.4,12,11.9,12.5,11.3,10.8,10.2,10.9,11.7,11.3,11.7,11.3
1955,12.5,12,11.9,11.7,12,12.2,10.7,11,11.3,12.3,12.2,11.6
1956,11.9,11.3,11.8,11.9,12.1,10.9,10.3,10.5,11.2,11.6,11.8,11.7
1957,12.3,12.1,12.9,12.6,12.6,11.9,11.3,11.6,12.4,12.2,12,12.4
1958,13.2,12.5,12.6,12.7,12.4,11.4,11.3,10.9,12.1,12.1,11.8,12.2
1959,12.9,11.8,13.1,12.9,11.9,11.7,11.5,12.4,10.8,12.1,12,11.5
1960,13,12.2,12.7,12.2,11.6,11.1,11.2,11.6,11.5,12.1,11.8,12.5
1961,12.3,12.4,12.1,13.2,12.7,11.3,11.6,12.3,12.2,12.4,11.7,12.1
1962,12.5,12.2,12.6,12.8,12.1,11.2,11.1,11.7,12.2,12.7,13.2,13.6
1963,13.4,12.7,12.1,12.6,12.4,11.9,11.4,12.4,13.1,12.6,13.4,12.4
1964,13.5,13.2,12.7,13,11.9,11.7,11.2,11.4,11.5,12.5,12.3,12.1
1965,13.7,12.6,12.4,12.5,12.1,10.5,10.3,11.5,12.2,12.8,12.7,12.6
1966,13.1,13,13.1,13.1,12.5,11.6,11.7,11.6,11.7,12.6,12.8,13
1967,13.5,12.5,12.6,12.2,12.1,10.8,11.1,11.2,12.2,12,12.2,12
1968,12.6,12.8,11.9,12.5,11,10.8,11.2,11.6,12.2,12.4,13,12.9
1969,14.3,13.4,13.5,13.6,13.2,11.6,11.3,11.1,12.7,13,12.7,13.2
1970,13.2,13.3,12.8,12.7,12.1,11.4,11.2,11.7,11.8,13.4,12.4,12.5
1971,13.2,11.7,12.2,12.4,11.9,11,11,10.8,11.9,12.3,12.6,11.9
1972,13,12.7,12.4,12.4,12.4,11.4,11.7,12.7,12.6,13.5,13.1,13.5
1973,12.7,12.5,12.8,12.7,12.1,11.8,11.2,11.3,11.7,12.3,11.8,11.2
1974,11.7,11.2,11.7,12.2,11.6,11.2,9.7,10.4,10.4,11.7,12.1,11.4
1975,11.6,11.6,12.2,12.9,11.9,10.4,9.7,11.5,11.2,12.6,12.1,11.4
1976,11.8,11.8,12.1,12,11.8,11.7,10.3,11.7,11.7,12.4,12.3,11.9
1977,13.1,11.5,12.3,12.6,12,11.1,11.2,11.7,12.1,12.4,12.3,12.5
1978,13.2,12.8,13.5,13,13.1,12.3,11.9,11.5,12.1,13.4,13.4,13.1
1979,14.1,12.7,12.9,13.6,13.3,11.9,11.6,12.5,12.9,13.8,13.2,13.1
1980,14.2,13.9,13,14.4,13.4,11.8,11.8,11.9,13,12.9,13.5,13.5
1981,14,12.7,13.9,14.1,13.7,12.3,11.7,11.8,12.6,13.2,13.8,12.6
1982,13.1,13.2,13.7,13.5,12.7,12.2,11.7,11.8,13.5,13.3,13.3,13.3
1983,14.1,14.2,14.1,14,13.5,12.9,13.1,12.7,13.4,13.3,13.5,13.1
1984,13.4,11.9,13.6,13,12.9,12.3,11.5,11.1,12.4,13.5,13.3,12.2
1985,13.7,12.1,13.1,13.1,11.4,11.3,10.4,11.9,12.4,13,12.3,11.7
1986,12.3,12,12,13.8,13.1,12.4,11.1,12.4,12.7,12.5,13.6,11.8
1987,12.2,12.3,12.9,12.8,12.8,12.2,11.6,12.2,13,13.3,12.6,12.6
1988,13.6,12.5,12.7,13.3,12.5,11.7,11.4,12.2,11.6,12.8,13.9,12.6
1989,12.2,11.6,12.2,12.1,12.7,11.8,11.4,12.2,13.1,12,13.1,13
1990,12.6,12.5,12.1,13.2,12.5,11,10.5,12.1,12.3,12.8,13.6,11.8
1991,12,12.3,12.4,12.7,12.9,12,11.7,11.2,12.6,12.8,12,12.9
1992,14.3,12.9,13.2,14.3,14.8,12.9,11.8,12.4,13.1,13.7,13.9,12.6
1993,13.3,12.8,12.6,13.4,13.5,12,11.5,11.9,13.1,12.4,12.9,12.5
1994,12.9,11.7,12.7,13.6,13.4,11.3,11.3,12.1,12.9,13.3,12.7,12.6
1995,14.1,13.2,12.8,13.7,12.2,13.4,12.1,12.5,12.9,13.3,13,12
1996,12.2,11.6,13.1,12.7,13,11.7,11.1,11.5,12.4,12.1,13.4,11.8
1997,13.9,11.6,12.9,14.1,13.9,14,14.1,13.7,14.3,13.4,14.4,14
1998,14.6,14.1,14.6,15.3,14.5,13.4,12,13.8,13.6,13,13.5,13.2
1999,13.2,13.1,13,13.4,11.7,13,10.7,12.6,13.1,13.6,13.1,13.7
2000,13.8,13.2,13.7,13.1,13.6,13,11.7,12.1,13.1,13.7,14.1,12.8
2001,12.6,12.3,13.5,13.3,11.8,10.7,11.2,11.8,12,12.7,13.2,12.6
2002,13.1,13.8,14.1,14.4,13.8,12.1,11.5,12.2,13.5,13.6,13.6,13.3
2003,14,13.4,13.3,13.9,12.6,12.3,12.1,11,12.1,14.5,13.9,13
2004,14.3,13.9,14.1,14.5,13.6,12,11.6,11.9,12.6,14.2,13.9,13.6
2005,14.5,13.2,13.5,13.7,13.7,12.8,12.2,13,12.9,12.3,11.8,11.3
2006,13.4,13,13.1,13.1,13,12.7,11.7,11.9,12.4,12.7,12.7,12.5
2007,13,12.9,11.9,13,11.7,11.9,11.1,11.4,12,12.9,12.6,12.7
2008,13.2,12.9,12.8,13.2,12.5,12.1,12,12.9,12.7,13,12.6,13.3
2009,12.7,12.9,12.8,13.6,13.2,11.8,12.2,12.9,12.9,13.7,14,13.9
