1901,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1902,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1903,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1904,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1905,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1906,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1907,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1908,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1909,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1910,13.7,13.7,13.6,13.5,13.2,12.6,12.2,12.4,12.5,12.6,12.7,13
1911,13.6,13.6,13.2,13.5,13.3,13,12.5,12.7,12.8,12.9,13.1,13.5
1912,14,14.1,13.9,14.2,13.4,12.7,12.3,12.5,13,13.1,12.8,13.4
1913,13.9,13.7,13.6,13.8,13.5,12.9,12.6,12.9,13.1,13.5,13.5,13.5
1914,14,13.9,13.6,13.8,13.3,12.8,12.5,12.8,13,13.1,13,13.6
1915,14,14.3,13.7,14.1,13.7,13,12.6,12.8,12.9,13,12.9,13.4
1916,13.7,13.9,13.6,14,13.5,12.7,12.3,12.5,13,12.9,12.8,13.4
1917,13.8,13.9,13.7,13.9,13.6,13.2,12.5,12.6,12.9,12.8,13.1,13.1
1918,13.6,13.6,13.6,13.8,13.1,13.5,13,13.1,13.1,13,13,13.3
1919,13.9,14,13.5,14,13.8,12.7,12.2,12.5,12.9,12.8,12.9,13.2
1920,13.7,13.7,13.6,13.6,13.2,12.6,11.9,12.5,12.8,12.9,12.8,12.9
1921,13.5,13.5,13.3,13.5,13.5,12.5,11.9,12.5,12.7,12.8,12.9,13.2
1922,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1923,13.6,13.7,13.5,13.7,13.4,13.1,12.3,12.8,13.1,13,13.1,13.3
1924,13.9,13.7,13.6,13.9,13.7,13,12.5,12.8,12.9,13,13,13.3
1925,13.5,13.4,13.2,13.7,13.6,13,12.6,12.7,13.1,13.2,13,13.4
1926,13.8,13.8,13.6,14,13.7,13.2,12.6,12.8,13.1,13.1,13.1,13.3
1927,13.6,13.6,13.5,13.8,13.6,13.1,12.5,12.8,13.1,13,13.2,13.5
1928,13.7,13.8,13.4,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.3
1929,13.8,13.7,13.4,13.8,13.6,13,12.5,12.8,13.1,13.1,13.1,13.5
1930,13.7,13.7,13.6,13.8,13.5,13.1,12.6,12.7,13.1,13.1,13.2,13.5
1931,13.8,13.8,13.6,14,13.7,13.2,12.5,12.8,13.1,13.2,13.1,13.4
1932,13.7,13.7,13.4,14,13.5,13.1,12.5,12.8,13.1,13,13.1,13.4
1933,13.8,13.7,13.5,13.8,13.6,13,12.7,12.7,13.2,13,13,13.2
1934,13.6,13.6,13.3,13.8,13.5,13.1,12.5,12.8,13.2,13,13,13.4
1935,13.7,13.5,13.5,13.8,13.5,13.1,12.6,12.8,13,13.1,13.1,13.5
1936,13.7,13.8,13.6,13.9,13.7,13.1,12.5,12.7,13.2,13.1,13.2,13.4
1937,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1938,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1939,13.7,13.7,13.4,13.7,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1940,13.7,13.7,13.5,13.8,13.6,13.1,12.6,12.8,13.1,13.1,13.1,13.4
1941,13.6,13.7,13.6,13.8,13.6,13,12.8,12.8,13,13.6,13.7,13.9
1942,13.7,13.5,13.5,13.8,13.5,12.9,12.8,12.7,13,13.2,13.4,13.3
1943,16.1,13.8,16.4,15.7,13.5,13.1,13.4,12.9,13.6,14.7,13.4,15.1
1944,15.4,15.3,14.4,15.1,14.8,14,15.5,14.6,15.3,14.3,14.1,14.5
1945,15.2,15.3,14.7,13.7,13.4,13.5,13,14,15,14.5,14.8,14
1946,13.5,14.6,14.5,14.9,14.2,13.9,13,13.5,13.9,14,14.1,13.5
1947,13.6,13.7,13.6,13.6,13.5,13,12.5,12.8,13.2,12.9,13.1,13.3
1948,13.9,14,13.4,13.7,14.9,13.7,12.6,13,13.7,13.1,13.4,13.2
1949,13.7,14.3,14.5,13.8,13.5,12.7,11.8,12.4,12.2,12.2,12.9,12.5
1950,13.1,12.8,12.5,12.7,12.8,11.6,11.4,11.9,12.7,12.5,12.7,12.8
1951,12.5,12.8,12.7,13,13.6,13.9,13.4,13.2,13.2,13.2,13.1,13.2
1952,13.5,13.3,13.3,13.1,13.4,12.1,11.6,12,12.3,12.5,12.3,12.8
1953,13.1,13.1,12.8,13.6,13.8,13,11.9,13.2,12.9,12.2,13,12.2
1954,13.6,13.2,13,13.5,12.5,12.1,11.7,12,12.4,12.1,12.5,12.6
1955,12.8,13.4,12.6,12.8,12.8,12.3,11.8,11.7,12.2,12.3,12.7,12.6
1956,12.7,13.3,12.7,13,12.7,12.2,11.9,12.2,12.5,12.2,12.3,12.6
1957,13,12.8,13,13.5,14.6,14.2,13.7,13.6,13.7,13.6,13.5,13.8
1958,13.6,13.6,13.1,13.6,13.4,12.9,12.5,12.3,12.6,12.7,12.4,12.9
1959,13.5,13.4,13.3,13.8,13.5,12.3,12.4,12.8,12.6,12.9,12.4,12.6
1960,13.1,13,12.6,13.5,12.8,11.8,12.1,12.5,12.8,12.3,12.5,13.1
1961,13.2,13,12.9,13.2,14.5,12.7,12.4,12.8,13.2,13.2,13,13.5
1962,13.7,13.8,12.8,13.4,13.4,11.8,12.7,13,13.5,13.3,13.5,13.6
1963,13.4,13,12.5,13,13.8,13.3,12.7,13.3,13.4,13.4,13.3,13.9
1964,14.3,14.1,13,13.3,13.4,12.5,12.2,12.2,12.3,12.6,13,12.5
1965,13.3,13.4,12.7,13.1,13.7,12.9,12.8,12.7,12.9,13.2,12.8,13.4
1966,13.8,13.8,13.3,13.7,13.6,12.7,12.7,12.8,12.9,12.8,12.7,12.6
1967,13.4,12.9,12.9,13.6,13.3,11.4,11.8,11.9,11.9,12.3,11.8,12.5
1968,12.9,12.9,12.7,13.4,11.9,11.7,11.9,12.9,13.1,12.7,12.7,13.1
1969,13.6,14,13.8,14.2,14.6,13.8,12.6,12.4,13.1,12.9,12.9,13.2
1970,13.5,13.4,13.8,13.9,13,12.7,12.3,11.9,12.7,12.9,12.3,13
1971,13.3,12.7,12.3,12.9,12.2,12.3,11.9,12.2,12.5,12.1,12.1,12.7
1972,13.6,13.5,12.9,13.5,13.7,13.6,14,14.1,13.5,14,13.6,14.4
1973,13.9,13.8,13.5,13.5,13.1,12.6,11.6,11.8,12.5,12.2,12.2,11.8
1974,12.8,12.7,12.9,13.4,13.4,12.7,11.4,11.6,11.3,12.1,12.5,12.9
1975,12.6,12.8,13.2,13.9,12.8,12.3,11.1,12.1,12.1,12.7,11.9,12
1976,12.4,12.7,12.8,13.2,13.4,13.4,13.1,13.3,12.7,12.6,13,13.3
1977,13.6,13.3,13.6,13.6,13.4,12.9,13.1,13,13.2,13.6,13.9,14.3
1978,14.2,14.7,13.6,13.2,13.5,13.1,12.7,12.4,13.2,13.2,14,13.6
1979,13.8,13.7,13.7,14,13.6,13.4,12.9,12.9,13.1,13.2,13,13.1
1980,13.6,13,13.8,14.4,13.7,13.4,12.7,12.5,12.7,12.7,12.5,12.7
1981,13.7,14,14.5,14.7,13.8,13.2,12.4,12.5,13.4,13.5,12.7,13.9
1982,14.6,14.8,14.7,14.4,14.4,14,13.9,13.1,13.8,14.7,13.8,15
1983,15,15.2,14.8,15,15.2,14.9,14.4,13.6,13.5,13.2,13.8,13.5
1984,12.9,13.4,13.9,13.9,12.9,13.4,12.2,13.4,13.4,14.1,12.6,13.9
1985,13,13.4,14,14.1,12.7,13.2,11.6,12.4,12.9,12.7,12.2,12.8
1986,14,13.9,13.8,14.4,13.5,12.6,12.1,13.4,13.4,13.1,13,14
1987,14.7,15,14.3,14.7,13.9,14.2,13.7,13.9,14.1,13.4,14,14.5
1988,14.4,14.2,14.3,14.1,14.1,13.2,12,12.4,13.2,12.6,12.9,12.7
1989,13.2,13,14,14.1,13,13,11.9,13.1,13.1,13.3,13.6,13.2
1990,14.3,13.8,14,14.4,13.7,13.4,12.9,12.7,14,13.4,14.4,14.1
1991,13.3,13.9,13.9,14.2,14.1,14.2,12.7,11.8,12.9,13.2,13.3,13.6
1992,14.4,13.8,13.6,14.5,14.5,13.7,12.2,12.9,13.1,13.5,13.1,13.2
1993,13.4,13.2,13.2,13.9,13.9,13.8,13.2,13.1,13.2,13.3,12.9,13.4
1994,13.2,13.3,13.2,13.6,13.7,13,12.5,12.1,13.3,13.3,13.2,13.6
1995,14.3,13.8,13.4,13.4,13.6,14.1,13.3,13.3,13,13.2,12.8,12.4
1996,12.5,12.8,13.7,13.7,13.2,12,12,12.5,13.3,12.5,13.1,12.8
1997,12.9,13.3,13.7,14.4,15,14.7,14.3,14.4,14.5,14.4,14.3,15
1998,15.3,14.8,15,15.5,14.9,14.2,13.2,14.1,13.6,13.3,13.6,13.2
1999,13,13.1,13.6,13.8,12.8,13.2,12.1,12.6,12.7,13,13,12.7
2000,12.9,12.6,12.5,12.7,13.6,13.2,13,13.2,13.1,13.7,13.5,13.4
2001,15,14.9,12.7,13.3,12.2,11.1,11.9,12.2,12,12.1,12.4,12.7
2002,13.1,13.5,13.7,14.4,14.2,12.2,12,12.4,12.8,13,13.9,13.7
2003,13.9,13.7,13.8,13.1,13,12.3,12.2,12.5,13,13.4,13,13.1
2004,13.3,13.8,13.6,13.2,12.2,11.3,11.7,11.8,12.5,13.8,12.9,14.3
2005,13.7,13.3,12.5,13.4,12.7,11.9,12,12.1,11.8,11.9,11.2,11.4
2006,13.3,12.6,13.1,12.7,12.6,13.2,12.5,12.6,13.1,13.2,13.2,13.2
2007,14.1,13.9,13.1,13.6,12.5,11,11.6,11.2,11.5,11.2,11.8,11.8
2008,13.1,13,13.1,13,12.3,12.1,12.7,12.8,13.1,12.7,12.4,12.6
2009,13.3,13.5,12.8,14.7,13.8,13.8,13.9,13.6,13.8,13.7,13.5,13.8
