1901,13.4,13.5,14.4,15.6,16.7,17,16.8,16.7,16.7,16.5,14.8,13.9
1902,12.8,13.3,15,15.7,16.9,16.9,17,16.1,17.4,16.8,15.6,14.1
1903,13.7,14.3,14.7,15.5,16.4,17.4,17.1,16.8,17.3,16.4,14.7,13.3
1904,13.4,13.5,14.4,15.8,16.8,16.9,16.8,16.6,16.7,16.4,15,14.1
1905,13.5,13.6,14.5,15.7,17,17.1,16.8,16.7,16.8,16.6,15.2,14.1
1906,12.8,12.8,14.1,15.3,16.8,16.7,16.9,16.7,17,16.5,15.2,13.8
1907,13.7,13.3,14.5,15.7,16.8,16.8,16.4,16.2,16.5,16.4,15.3,13.9
1908,12.9,13,14.5,16.3,17.2,17,16.8,16.6,16.6,16,14.6,14.1
1909,13.2,13.4,14.9,15.9,17.4,16.8,17,16.7,16.6,16.3,14.6,14
1910,12.6,12.8,13.1,14.8,16.4,16.5,16.6,16.6,16.6,16.2,14.4,12.9
1911,13.3,13.5,14.5,16,15.6,16.2,16.8,16.6,16.7,16.8,15.5,14.2
1912,13.5,12.4,14.8,16.6,16.8,16.7,16.7,16.6,16.6,16.5,14.5,14.3
1913,13.9,14.3,14.6,14.4,15.7,16,16.5,16.6,16.4,16.1,14.6,13.8
1914,13,13.4,13.2,15.4,16.1,16.3,16.9,16.9,16.5,16.2,14.7,14.4
1915,13.2,12.9,13,14.5,17.1,17.2,17.2,16.9,16.8,16.4,15.1,14.2
1916,14.2,12.8,13.8,15.1,16.5,16.5,17.2,16.4,16.4,16.1,14.5,14.1
1917,13.6,13.3,14.6,15.6,16.8,16.8,16.8,16.7,16.7,16.4,14.8,13.5
1918,13.1,13.9,14.6,15.8,16.6,16.5,17,16.7,16.7,17,15.2,14
1919,12.8,13.6,14.5,15.2,16.4,16.4,16.7,16.7,16.7,16.6,15.7,14.1
1920,13.7,13.1,14.5,16.5,16.9,16.3,16.6,16.5,16.7,16.3,14.8,13.9
1921,13.2,13.3,14.6,15.6,15.6,16.5,16.7,16.6,16.6,16.2,15.1,14.2
1922,13.7,13.7,14.8,16.3,16.8,16.8,16.8,16.9,16.8,16.4,15.2,14.2
1923,13.5,13.5,14.6,16,16.9,16.8,16.9,16.7,16.7,16.2,14.6,14.3
1924,13.5,12.4,14.3,15.9,17.1,17.2,17,16.8,16.7,16.2,14.5,14.4
1925,13.9,13.4,14.1,15,16,16.4,16.7,16.8,16.7,17,15.3,14.1
1926,13.3,13.2,14.6,15.7,16.1,16.9,17.2,16.7,17,16.7,14.6,14.5
1927,13.1,14.2,14.5,15.9,17.3,17.3,16.7,17.1,17,16.4,15,14.2
1928,12.9,13.8,14.6,15.4,16.2,17.5,17.1,17,17.2,16.8,15,13.9
1929,13.9,14.5,15.2,16.6,16.8,16.6,16.5,16.6,16.6,16.5,15.6,13.7
1930,13.7,13.4,14.3,15.1,16.6,16.5,16.5,16.8,16.8,16.6,14.7,13.5
1931,13.7,13.8,14.5,15.9,16.6,16.9,16.5,17.1,17.2,17,14.6,14.9
1932,14.3,14.1,14.4,15.7,17.1,16.6,16.5,16.7,17.2,16.5,14,14.5
1933,14.3,14.3,14.4,16.7,17,16.8,16.8,16.5,16.4,16.4,14,13.7
1934,13.9,13.2,13.4,16.3,16.6,16.5,16.8,17.4,17.2,16.7,15.4,14.6
1935,12.9,12.6,14.4,16.2,16.7,16.8,17,16.7,17.1,16.6,14.9,14.2
1936,14.8,14.5,15.6,16.2,16.9,17,16.9,17.4,17.1,17.1,15.7,14.2
1937,15,14.4,15.2,16.4,17.1,17,17,16.7,16.3,16,14,14.3
1938,13.3,13,14.2,14.3,16.3,16.3,16.3,16.1,16.4,15.7,14.5,13.1
1939,13.9,13.3,13.6,15.5,16.8,16.5,16.6,16.8,16,16.4,14.1,15
1940,13,12.6,14.6,15.1,16.6,16.4,17.2,17.3,17,16,14.8,13.9
1941,13.3,13.3,14.6,16.1,16.5,17,16.4,16.8,16.5,16.3,14.1,13.9
1942,12.1,13.8,14,15.4,17.4,16.4,16.3,16,15.9,15.9,14.3,13.9
1943,13,11.5,12.8,14.1,15.6,15.9,15.9,15.9,16.4,15.3,13.7,13.1
1944,12.4,12.8,14.2,15,15.5,16.1,16.8,16.6,16,15.3,13.7,13.3
1945,12.5,13.4,14.1,14.8,15.4,16.1,16.3,16.1,16.2,15.5,14.2,12.9
1946,13.4,12.7,13.6,15.4,17.1,17,15.9,15.9,15.9,15.5,15.2,14.2
1947,14.9,13.5,14.1,15.5,16,15.9,16.2,15.8,16.1,16.1,15.6,13.5
1948,12.9,12.7,14.2,14.6,16.4,16.2,16.1,16.4,16.1,16,15.4,13.4
1949,12.5,12.2,13.7,15.5,16.2,15.7,16.1,16.1,15.9,16,12.5,12.4
1950,12.6,12,13.5,14.2,15.7,16,16.1,16,16.3,15.6,13.7,12.2
1951,13.1,12.1,14,16.1,16.4,17.1,17.4,17.6,17.8,16,14.7,13.8
1952,13.1,12.6,13.4,15.4,15.5,16.6,16.2,17.6,18.2,15.7,16.2,12.9
1953,12.2,12.2,13.7,16.2,16.9,17,16.7,16.8,17.2,16.3,14.4,14.1
1954,13.1,12,14.5,15.5,16.2,16.1,16.1,16.4,16.4,14.9,15.6,11.9
1955,12.4,12.8,13.2,14.6,15.8,16.3,16,16.1,16.2,15.3,14.7,13.1
1956,12,13.3,14,15.5,16,16.1,15.7,16.3,16.7,16.1,13.7,13.5
1957,12.9,13.4,14.4,15.8,16.9,17.2,16.8,16.4,16.6,15.9,14.9,13.6
1958,13.7,13.1,15.9,16.9,17.2,17,17.8,16.8,16.4,16.7,16.1,15.1
1959,13.8,14,14.9,16.1,16.4,16.4,16.8,17.3,16.2,16.7,14.9,13.6
1960,13.3,14.3,14.4,15.2,16.6,16.3,16.5,16.3,16.5,16.5,15.5,12.8
1961,13.8,13.5,14.3,16.1,16.4,16.1,16.4,16.4,16.2,15.8,14.6,14.3
1962,12.7,12,14.2,15.1,15.2,15.9,16.2,15.9,16.1,15.9,14.4,13.5
1963,13.2,13.3,14.6,14.6,15.7,16.3,15.9,16.3,16.8,15.9,14.4,13.1
1964,13.4,14.2,13.5,15.8,16,15.8,16.1,16.4,16.3,15.1,15.1,14.1
1965,13.4,13.6,13.4,14.2,16.4,16.1,16.6,16.7,16.8,16.3,15.4,14.4
1966,13.2,14,13.8,15.8,17.5,16.7,17.1,16.8,17,17.5,13.9,13.3
1967,13.1,13.5,13.1,15,16.2,16.1,16.4,16.7,16.3,16.4,15.1,14.4
1968,14,12.2,12.3,15,16.2,16.3,16.7,16.6,16.5,16.2,14.4,14.1
1969,13.4,14.1,15.7,16.9,17.3,16.8,17.1,16.5,16.6,16.6,15.2,13.3
1970,13.9,13.2,14.7,16.2,16.5,16.9,16.6,16.6,16.8,16.9,14.5,13.8
1971,13.3,12.9,14,14.2,16.5,16.5,16.6,16.3,16.2,16.5,14.8,14.4
1972,13.9,12.8,14.1,16.1,16.8,17.4,17.5,16.4,17.2,16.8,16.5,14.9
1973,13.9,14,16.8,16.5,17.4,17,16.6,16.7,16.6,17,15.7,12
1974,14.1,12,14.6,15.7,16.3,16.8,16.3,16.5,16.2,15.7,14.5,13.9
1975,13.6,12.9,15.5,15.2,16.5,17.1,16.1,16.5,15.9,16.1,15,12.7
1976,12.7,12,14.4,15.3,16.6,16.4,16.7,16.5,16.8,16.4,15.6,15.1
1977,13.1,14.5,15.3,15.6,16.7,17,17.2,17.4,17.5,17,15.6,15
1978,13.2,13.6,14.7,16.2,17,17.7,16.7,17.6,16.8,16.4,16.4,14.6
1979,13.2,14.3,15,14.6,17.5,17.5,16.8,17.1,16.8,17.3,15.3,14.2
1980,14.1,14.2,15.8,16.7,17.2,17.9,17.4,17.3,17.2,16.5,15.8,13.5
1981,12.8,14.1,15.4,16.6,17,17.2,17.3,17,17.2,17,14.7,14
1982,14.1,14.7,14.9,16.4,17.6,17.5,16.8,17.3,17,16.3,15.6,14.6
1983,14.4,15,15.4,16.8,18.8,18,17.7,17.5,17.5,16.8,15.7,14.5
1984,12.8,13.9,14.3,15.3,17.1,16.9,16.1,16.1,16.1,16.2,13.9,14.2
1985,12.5,13.7,14.5,15.9,16.4,16.5,16.5,16.6,16.8,16.3,15.6,15.1
1986,13.3,13.5,12.6,15,16.8,16.9,16.6,16.9,16.2,16.3,15.9,15
1987,12.3,13.9,15.7,16.6,16.9,17.8,16.8,17,17.1,16,15.5,15.5
1988,14.8,14.8,14.7,16.1,16.8,16.6,16.7,16.5,16.6,16.3,15.6,13.7
1989,14.7,13.4,13.4,16.1,17.2,16.9,16.8,16.9,16.9,16.5,16.5,13.6
1990,14.6,14,14.3,16.8,18.1,18,17.4,17.9,17.8,17,15.9,15
1991,14.4,14.2,15.2,16.1,17.6,18.5,18.4,17.5,17.8,17.4,15.3,14.9
1992,14.3,13.6,15.6,16.8,17.9,18.3,17.6,17.5,16.5,17.2,16.8,15.9
1993,14.3,14.2,15.4,16.5,16.4,18.7,17.1,16.9,16.3,17.8,16.1,14
1994,14.3,14.7,15.2,16.9,17.1,18.5,17.1,18.1,17.6,16.6,15.7,15
1995,14.3,13.5,14.9,16.8,16.5,17.2,17.2,17.3,16.8,17.5,15.5,15
1996,12.5,12.7,13,16.6,17.4,17.5,17.5,16.4,17.4,17.2,15,14.6
1997,13.9,14.4,15.5,16.7,18.2,18.1,17.8,17.9,17.7,17.7,16.5,15.9
1998,13.9,14.1,15.5,17.1,18.3,18.1,17.6,17.6,17.9,17.6,16,14.4
1999,13.5,12.7,14.3,15.7,16.9,17.5,17.1,16.7,16.6,16.6,14.3,13.7
2000,12.8,12.9,14.9,15.6,16.9,17.4,17.1,17.2,17.2,17.2,15.9,14.3
2001,13.5,14.9,14.5,16.8,17.5,17.3,17.7,17.8,16.7,17.5,15.6,15.1
2002,13.9,14.5,15.6,16.2,17.3,17.4,17.8,17.4,17.3,17.1,15.4,15.6
2003,13.4,15.2,15.4,15.8,17.8,17.2,16.9,17.5,17.6,17.4,16.4,13.4
2004,14.4,14.9,15.7,16.8,17.4,17.8,16.8,16.9,17.2,17.4,15.7,14.5
2005,13.6,13.7,16.1,16.8,17.5,17.7,17.7,17.7,17.4,16.6,15.6,15.2
2006,14.7,13.8,15.1,16.4,17.5,17,17.4,17.7,17.4,17.9,15.5,15.5
2007,14.2,13.4,14,16.4,17.3,17.4,17.3,17.2,16.8,16.3,14.5,14.2
2008,13.9,14.2,15.8,16.9,18.7,18.3,17.6,17.2,18.3,17,14.8,15.1
2009,15.1,14.1,14.2,17.8,17.7,18,18.4,17.1,17.8,17.8,16.7,16.9
