1901,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1902,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1903,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1904,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1905,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1906,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1907,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1908,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1909,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1910,13,13.1,13.1,13,12.7,12,11.5,11.3,11.3,12,11.6,12.1
1911,12.9,13,12.7,13,12.7,12.3,11.7,11.6,11.6,12.3,11.9,12.5
1912,13.3,13.4,13.4,13.6,12.8,12.1,11.6,11.4,11.7,12.4,11.7,12.4
1913,13.2,13.1,13.1,13.3,12.9,12.2,11.8,11.8,11.8,12.7,12.2,12.5
1914,13.3,13.3,13.1,13.3,12.8,12.1,11.7,11.7,11.7,12.4,11.8,12.6
1915,13.3,13.6,13.2,13.5,13.2,12.4,11.8,11.8,11.7,12.4,11.8,12.4
1916,13,13.2,13.1,13.4,13,12.2,11.7,11.6,11.8,12.3,11.8,12.3
1917,13,13.1,13,13.2,12.9,12.3,11.8,11.5,11.6,12.2,11.8,12.2
1918,12.9,13,13.1,13.3,12.9,12.5,12.2,11.7,11.8,12.4,11.9,12.4
1919,13.2,13.3,13,13.4,13.2,12.1,11.5,11.5,11.7,12.2,11.8,12.2
1920,13,13.1,13.1,13.2,12.7,12,11.3,11.4,11.5,12.3,11.7,12
1921,12.9,13,12.9,13.1,12.9,12.2,11.5,11.5,11.6,12.3,11.8,12.4
1922,13,13.1,13,13.3,13,12.4,11.8,11.7,11.8,12.4,11.9,12.4
1923,12.8,13.1,13,13.2,12.8,12.5,11.4,11.6,11.9,12.3,11.9,12.2
1924,13.3,13.1,13.2,13.4,13.1,12.3,11.7,11.7,11.5,12.2,11.7,12.3
1925,12.7,12.7,12.6,13.2,13,12.2,11.7,11.6,11.8,12.5,11.8,12.4
1926,13.1,13.2,13.2,13.6,13.1,12.6,11.8,11.7,11.8,12.4,12,12.3
1927,12.9,13,13,13.3,13,12.4,11.6,11.8,11.8,12.3,12,12.5
1928,13,13.2,12.9,13.4,13,12.4,11.7,11.7,11.8,12.4,11.9,12.3
1929,13.1,13.2,12.9,13.4,12.9,12.3,11.6,11.7,11.9,12.4,12,12.5
1930,12.7,13.1,12.9,13.4,12.9,12.2,11.7,11.5,11.6,12.3,12.1,12.4
1931,13.1,13.3,13.2,13.6,13.2,12.6,11.8,11.6,11.9,12.4,11.8,12.5
1932,13.2,13.2,12.9,13.7,13.1,12.4,11.7,11.8,11.7,12.4,11.9,12.4
1933,13.3,13.1,13,13.3,13.1,12.4,12,11.4,11.7,12,11.7,12.1
1934,12.7,12.8,12.6,13.2,12.7,12.4,11.5,11.6,11.9,12.1,11.7,12.3
1935,12.8,12.8,13.1,13.1,12.8,12.3,11.6,11.6,11.4,12.4,11.8,12.5
1936,13,13,13.2,13.3,13,12.2,11.6,11.4,11.6,12.2,12.1,12.2
1937,12.8,13,13,13,12.8,12.4,11.8,11.7,11.7,12.2,11.8,12.3
1938,12.9,13,12.8,13.2,12.8,12.2,11.7,11.5,11.6,12.3,11.7,12.3
1939,12.7,13,12.8,13,12.8,12.4,11.6,11.6,11.7,12.2,11.9,12.4
1940,12.7,12.8,12.5,13.2,12.8,12.2,11.7,11.6,11.5,12.3,11.7,12.1
1941,12.8,13.1,12.9,13.2,13.1,12.3,11.8,11.8,11.8,12.8,12.4,13
1942,13,12.9,12.9,13.2,12.6,11.9,11.7,11.4,11.5,12.4,12.1,12.2
1943,15,13,15.2,14.7,12.7,12.2,12.7,11.5,12,13.5,12,13.8
1944,14.3,14.3,13.7,14.4,13.8,13,14.1,13.1,13.5,13.3,12.7,13.3
1945,14.3,14.5,14.1,13,12.6,12.8,12,12.7,13.3,13.6,13.2,12.8
1946,12.6,13.7,13.8,14.3,13.5,12.8,12,12,12.3,13,12.7,12.5
1947,13,13,13,13.2,12.9,12.3,11.7,11.7,11.9,12.2,12,12.3
1948,13.1,13,12.8,13.4,14.1,12.8,11.9,12.1,12.4,12.4,12.1,12.1
1949,13,13.7,13.9,13,12.7,11.9,11.1,11.3,11,11.5,11.7,11.7
1950,11.9,11.8,11.5,11.8,12.2,10.6,10.2,10.3,11.5,11.7,11.5,11.8
1951,11.7,12.5,12.3,12.4,12.7,12.9,12.4,11.6,11.6,12.2,11.6,12
1952,12.3,12.7,12.8,12.7,13.1,11.6,11,10.9,10.8,11.7,11,11.7
1953,11.9,12.3,11.8,12.3,12.5,11.6,10.3,12.1,10.7,11.4,11.7,11.1
1954,12.8,12.7,12.5,13.3,12.3,11.8,11.3,11.2,11.3,11.6,11.6,11.9
1955,12,12.7,12.2,12.4,12.2,11.5,10.9,10.7,10.8,11.8,11.2,11.4
1956,12,12.5,12.4,12.7,12.2,11.5,11.1,10.9,11.2,11.5,10.9,11.8
1957,12.2,12.2,12.1,12.5,13.5,13,12.6,12.3,12.1,12.7,11.8,12.8
1958,11.9,12.6,12.3,12.8,12.7,12.2,11.4,11.2,11.3,11.8,11,12
1959,13.1,12,12.4,12.9,12.2,11.5,11.1,11.4,10.8,11.6,11.3,11.8
1960,12.6,12.4,11.9,12.4,11.9,10.9,11.1,10.7,10.8,11.3,11.2,12.3
1961,11.8,12,11.9,12.6,13.6,11.9,11.9,11.5,11.7,12.2,12.2,12.4
1962,13.2,13.4,12.6,12.9,12.7,11.1,12,12,11.8,12.4,12.2,12.4
1963,12.5,12.2,12.1,12.5,12.7,12.5,11.9,11.8,11.5,12,11.9,12.6
1964,13.3,13.8,12.3,12.9,12.9,12.3,11.7,11.3,10.9,12,11.8,11.8
1965,12.8,12.2,12,12.7,12.1,10.9,11.2,10.5,10.9,12.1,10.9,11.8
1966,12.6,12.5,12.5,13.1,12.8,12,11.8,11.5,11.1,11.7,11.1,11.4
1967,12.7,12.1,12.4,13,12.3,10.8,10.8,10.3,10.5,11.3,10.8,11.6
1968,11.9,12,12.4,13.1,11.3,11.3,10.9,11.5,11.7,11.3,10.5,11.4
1969,12.4,12.9,13,13.8,13.1,12.3,10.7,10.7,11,11.4,11.1,11.4
1970,12.4,12.4,13.3,13.2,12.2,11.9,11.7,10.9,10.9,11.7,10.8,11.9
1971,12.6,12.2,12,12.2,11.8,11.7,11.3,11.3,11.4,11.5,11,11.9
1972,12.6,12.7,12.3,13.5,13.9,13,12.9,13.1,12.1,13.2,12,13.4
1973,12.7,12.9,12.8,13.2,12.6,12.7,10.7,10.7,11.9,11.6,10.9,10.7
1974,12.3,12.1,12.1,12.7,12.5,12.4,10.7,11.1,10.8,11.2,11.4,11.6
1975,11.9,12.5,12.7,13,12.2,11.7,10.5,10.9,11,11.8,10.8,11.4
1976,11.7,12.5,12.3,12.7,12.8,12.6,12.1,11.4,10.6,11.8,11.5,12
1977,12.4,12.3,12.5,12.7,12.5,12.2,12.3,12,11.7,13,12.8,13.2
1978,13.2,13.9,12.7,12.4,12.6,12.1,11.5,10.2,11.3,12.2,12.4,12.1
1979,12.9,12.6,13.1,13,12.8,11.9,11.5,11.5,11.5,12.1,11.4,11.4
1980,12.6,12,12.9,13.5,12.7,12.4,11.5,11.3,11.1,11.9,11,11.6
1981,13.2,13.9,14,14.2,13.9,13.3,11.9,12.2,12.2,13.3,12.4,13.4
1982,13.1,14,14,14,13.7,13.2,12.4,11.9,12.6,13,12.6,13.3
1983,14.6,14.9,14.4,14.6,13.7,13.2,13,12.1,11.9,12.3,12.6,12.8
1984,11.7,13,13.5,13.7,12.6,13,11.6,12.2,12,13.2,11.6,12.7
1985,12.6,12.8,13.3,13.5,12.8,12.4,11.2,11.8,12.3,12.4,11.3,12.3
1986,14,12.9,13.6,14,13.7,12.6,11.5,12.3,11.9,13,12.2,13.3
1987,14.1,14.3,13.8,14.1,13.2,13.2,13,12.9,13.1,12.9,12.6,13.7
1988,13.7,14,14.2,14.4,14,12.7,12.1,12.2,12.4,12.7,12.2,12.2
1989,12.7,12.6,13.9,13.9,13.1,13.1,11.8,12.6,12.6,13.5,12.9,12.4
1990,14.4,13.8,13.9,14.3,13.3,13.3,12.6,12,12.7,13.1,13.1,12.9
1991,13,13.4,13.8,14.2,13.6,13.8,12.6,10.9,11.8,12.3,12.3,12.6
1992,13.8,13.3,12.8,13.7,13.3,12.9,11.6,12.5,11.9,12.5,11.8,12.7
1993,13.1,12.3,12.6,13,12.9,13.3,12.3,11.9,11.8,12.8,11.7,12.7
1994,12.4,12.9,13,13.1,13,12.7,12.1,11.1,11.9,12.6,12.1,12.6
1995,13.6,13.2,12.9,12.6,13.2,13.3,12.8,12.6,12.1,12.7,12,11.8
1996,12,12.6,13.5,13.6,13.1,12.5,12.2,11.9,12.2,12.7,11.9,12.4
1997,12,13.3,13.8,13.9,13.6,13.5,12.3,12.3,13,13.6,12.3,13.6
1998,15.2,14.5,14.9,14.9,14,13.2,12.3,12.9,12.6,13.3,12.3,12.6
1999,12.6,12.5,13.4,13.1,12.7,13,11.8,11.8,11.7,12.3,12.1,11.6
2000,12.1,11.6,11.4,11.8,13.1,13.2,12.6,12.3,11.9,13.2,12.9,12.7
2001,13.7,13.9,12.2,12.9,11.9,10.8,11.2,11.3,10.9,11.7,11.4,11.8
2002,12.5,13,13,13.6,13.4,11.6,11.3,11.5,11.8,12.5,12.7,13
2003,13.3,13.2,13.4,12.8,12.7,11.9,11.6,11.3,11.7,12.8,11.7,12.1
2004,13.1,13.4,13.6,12.9,11.8,10.9,10.9,10.9,11.2,13.1,11.9,13.1
2005,13.2,13.2,12.6,13.1,12.3,11.5,11.3,11.1,10.8,11.7,10.4,10.7
2006,12.5,12.2,12.9,12.5,12.1,12.3,12.1,11.5,11.9,12.7,11.9,12.2
2007,13.4,13.3,12.8,13.2,12,10.7,11,10.3,10.5,10.9,10.7,11
2008,12.4,12.4,12.6,12.5,11.8,11.6,11.8,11.6,11.7,12,11.4,11.9
2009,12.7,12.9,12.3,14.3,13.4,13.6,13.2,12.8,12.9,13.2,12.7,12.8
