1901,15.9,16.1,16.7,17.8,18.7,18.4,17.8,18.1,18.2,18.1,17.5,16.9
1902,15.9,16.1,16.4,17.5,18.3,18.2,17.9,18,18,18,17.4,16.9
1903,16.1,15.9,16.5,17.6,18.7,18.7,17.9,18,18,18.1,17.4,16.8
1904,15.9,15.7,16.4,17.3,18.4,18.3,17.7,17.7,17.9,17.9,17.5,16.9
1905,15.9,15.7,16.4,17.7,18.3,18.4,17.8,18,18,18,17.7,16.9
1906,15.8,15.7,16.5,17.5,18.5,18.2,17.8,18.1,18,18.2,17.6,16.5
1907,15.5,15.4,16.2,17.3,18.2,18.3,18,17.9,18,18,17.5,16.9
1908,15.9,15.7,16.4,17.5,18.5,18.5,18,18.2,18.1,18.1,17.4,16.8
1909,15.7,15.6,16.7,17.4,18.5,18.1,17.9,17.7,18.1,18.1,17.2,16.5
1910,15.7,15.6,16.4,17.5,18.3,18.4,17.9,18,18.4,18.1,17.6,17
1911,15.7,15.7,16.4,17.5,18.3,18.5,17.9,18.2,18.2,18.2,17.7,16.9
1912,16,16,16.7,17.6,18.6,18.4,18.1,18.1,18.2,18.2,17.6,17
1913,15.8,15.6,16.4,17.3,18.7,18.1,17.7,17.8,18,18.4,17.4,16.7
1914,15.8,15.7,16.6,17.5,18.4,18.2,17.8,17.9,18.2,18.2,17.6,17.1
1915,15.9,15.6,16.7,17.4,19,18.9,18.5,18.7,18.6,18.9,17.9,17.3
1916,15.9,15.8,16.5,17.9,18.9,18.7,18.2,18,18.3,18.1,17.4,16.5
1917,15.3,15.3,15.7,17.2,18.7,19,18.2,17.7,18.1,18.5,17.8,16.8
1918,15.6,15.6,16.1,17.2,18.5,18.7,17.8,18.4,18.8,18.1,17.4,16.4
1919,15.7,15.8,16.4,17.4,18.6,18.4,17.7,18,17.9,17.9,17.3,16.8
1920,15.7,15.8,16.5,17.6,18.6,18.3,17.7,17.8,18,17.9,17.4,16.7
1921,16.1,16,16.6,16.8,18.8,18.1,17,17.9,18.1,17.7,17.3,16.7
1922,15.6,15.4,15.9,17.4,17.7,17.8,17.6,17.6,18,18.2,17.1,15.8
1923,14.8,14.5,14.9,16.8,18.5,17.7,17.6,18,18.2,18,17.5,16.1
1924,15.2,15.3,16.6,17.9,19,18.1,17.4,17.5,17.4,17.4,17,16.1
1925,14.5,14.9,15.8,17.2,18.4,18.3,17.9,17.6,17.8,18.3,17.2,16.8
1926,15.6,15.8,16.6,17.7,19.1,19.8,17.7,17.9,17.6,17.8,17.3,16.1
1927,15.1,14.5,16,16.4,17.6,17.7,17.2,17.4,17.8,17.7,17.5,16.7
1928,15.3,15.1,15.8,16.7,18,17.9,17.4,17.8,17.9,17.9,17.5,16.1
1929,14.8,15,15.6,16.8,17.2,17.8,17.6,18.1,17.8,18.1,16.9,16
1930,15.6,15.6,16.6,17.6,18.5,18.3,17.9,18,18.1,18.1,17.7,17
1931,16.1,16,17.2,18,19.1,18.7,18.1,18.2,18.2,18.3,17.6,16.9
1932,15.8,15.7,16.6,18,18.5,18.5,17.9,18.2,18.4,18.2,17.7,17
1933,15.5,14.9,15.9,17.5,18.5,18.2,17.4,17.5,17.7,17.7,16.9,16.1
1934,14.6,14.4,15.3,16.9,18.3,18.9,17.6,18.2,17.7,17.7,17.6,16.6
1935,15.6,15.3,15.2,17.2,18,18.2,17.6,17.5,18,17.7,17.5,16.4
1936,15.3,15.2,16.3,17.1,18.5,18.4,17.8,17.8,17.9,17.7,17.4,16.5
1937,15.4,15.3,16.7,18,18.7,19.4,18.8,19.3,19.4,19.2,18.4,17.8
1938,15.9,15.6,15.8,16.9,17.9,17.9,17.8,18.8,19.2,18.6,19.1,18.8
1939,15.5,15.4,15.8,16.9,17.5,18.4,18.5,18.8,19.5,18.9,18.1,17.7
1940,16.3,16.1,16.6,17.8,19.1,19.8,18.8,18.8,19.6,19.1,18.5,17.3
1941,16.4,16.5,16.8,18.1,19,18.8,18.4,18.9,19.2,18.6,18.3,16
1942,16.7,16.8,16.7,18.3,18.6,18.9,18.3,18.7,18.7,18.5,18.5,17.3
1943,16.3,16.3,16.1,17.6,17.6,18.6,17.8,18.4,18.9,18.7,18.3,17.8
1944,16.8,16.4,16.7,18.1,19.1,18.8,19.2,18.8,18.9,18.6,18.1,17.5
1945,15.4,15.5,16.5,18,18.8,18.2,18,18.1,18.2,17.8,17.1,16.2
1946,15.5,15.9,16.8,17.7,17.9,18.5,17.9,17.7,18.1,17.7,17.3,16.8
1947,16,16.5,16.6,17.7,19.2,18.7,17.8,18.5,18.2,17.6,16.9,16.7
1948,16.3,16.1,16.6,17.6,19.2,18.8,18.1,18.2,18.5,18.6,17.9,17
1949,15.7,15.6,16.7,17.5,18.4,17.9,17.6,18.5,18.3,18.2,17.4,16.7
1950,15.3,15.6,16,17.4,18,18.1,17.8,18,18.4,18.3,17.9,16.9
1951,15.7,15.7,16.6,17.8,18.8,18.6,18.4,18.8,18.8,18.7,18,17.2
1952,16.3,16.1,17.1,18.4,19.5,18.8,18.4,18.4,18.9,18.7,17.4,16.9
1953,15.9,15.6,16.5,18.2,18.1,18.9,18.4,18.3,18.4,18.3,17.9,17.3
1954,15.9,15.5,16.6,17.3,18.3,18.2,17.7,18.4,17.7,17.2,16.8,15.9
1955,14.8,15.5,15.9,16.2,17.5,17.9,17.2,17.6,17.5,17.8,17,16.2
1956,16,15.5,15.6,17.5,17.4,18,18.2,18,18.4,18.6,18.4,17.5
1957,16.4,16,16,17.1,18.5,19,18.7,18.9,19.8,18.8,17.3,16.5
1958,15.8,15,16.4,18.2,19.8,19,18.5,18.4,19.5,18.8,17.6,17.1
1959,15.6,15.2,15.8,17.4,19.2,18.2,17.9,18.1,18.9,18.2,17.7,18.2
1960,16.4,16.2,16.5,18.3,19.7,19.1,18.4,18.6,19,18.5,17.9,17.6
1961,16.4,15.3,16.3,17.5,18,18.5,18.6,18.3,18.7,18.5,17.2,16
1962,15.4,14.6,16.6,17.2,19.7,19,18.5,18.3,18.7,18.7,17.7,16.5
1963,16.1,16,16.1,18.1,18.8,18.7,18.5,18.8,18.8,19.1,17.9,16.9
1964,14.4,14.9,15.9,17.7,18.1,18.7,17.9,17.7,17.6,17.7,16.9,16.1
1965,16.1,15.1,15.2,16.7,18,18.1,18.4,17.9,18.3,18,17.9,17.4
1966,15.7,15.4,16.2,17.3,18.5,18.4,18.3,18,18,18,18,17.4
1967,16.3,15.5,16.4,17.4,17.9,18.1,17.4,16.8,18.1,17.3,17,16.2
1968,15.4,15.4,16.1,18,18.1,18.3,17.7,17.9,18.4,18.2,17.1,16.6
1969,16.5,17.1,17.4,19.2,20,19.8,19.1,18,18.9,18.2,18,17.8
1970,16.5,16.1,17,17.8,19.1,18.6,18.3,18.2,17.8,18.4,17.4,17.6
1971,14.2,15.6,15.9,17.3,18.4,18.1,17.4,17.5,18.2,17.5,17.2,16.3
1972,15.7,16.1,17,18.2,18.4,18.5,18.6,17.8,19.3,19,17.6,17.5
1973,16.6,16.5,17.2,17.8,18.5,19.5,19.2,20,19.7,19.4,19.1,16.2
1974,17.9,18,18.7,16.9,18.1,18.5,18.1,17.6,18.1,18.6,17.4,15.9
1975,15.1,17.9,17.4,18.6,19.7,19.9,19.5,19.4,18.6,16.7,16.9,16.1
1976,15.3,15.2,15.2,16.8,17.7,17.4,17,18.4,18,18.2,17.5,16.2
1977,15.4,13.7,16.9,16.9,18.9,17.8,17.8,18.1,18.4,18.1,17.6,15.6
1978,14.2,14,16.9,18.8,18.5,18.4,18.3,17.9,18.9,18.4,17.9,16.1
1979,15.1,14.7,16.8,18.3,18.6,19,18.4,18.5,16.1,19.3,19.3,18.8
1980,17.7,17.5,17.9,19.2,19.1,18.7,18.5,18.6,19.3,18.5,17,17.6
1981,17,17.9,17.4,18.4,18.2,18.2,18.2,18.2,18.5,18.9,18.5,18.4
1982,17.2,17,17.1,19.1,19.9,18.6,17.3,16.7,17.8,17.5,17,17.2
1983,16.3,15.8,17.5,18.7,18.9,18.7,18.9,19.6,20.2,19.2,18.4,18.6
1984,18.2,18.2,18.5,18.6,18.2,18.8,18.5,18.5,18.5,18.2,16.6,16.8
1985,14.4,13.9,17.5,18.2,19,18,16.6,16.7,16.9,16.7,16.2,15.2
1986,15.2,15.6,16.3,17.3,17.8,17.4,17.2,17.9,18,17.6,17,15.8
1987,14.8,15.4,17.2,18.3,19.5,19.7,18.3,18.7,19.8,19.7,19.8,19.4
1988,17.5,17.7,17.8,19.5,19.8,20.5,19.7,19.9,20.6,19.7,18.1,17.1
1989,16.2,16.5,16.2,16.5,17.4,17.4,18.5,19.1,18.8,19,17.4,16.7
1990,17,16.6,17.3,18.7,19.1,19.2,18.3,17.8,18.4,18.8,18.1,17
1991,16,15.9,16.7,17.8,18.6,18.3,18.5,18.4,18.7,18,18.1,17
1992,16.5,16.5,16.8,18.7,20.2,19.5,18.4,18.4,18.3,18.6,18.3,17.5
1993,16.9,16.6,17.2,19.3,20.2,19.5,18.6,18.3,18.2,17.8,17.3,16.1
1994,15.4,15.6,16.4,17.4,18.3,18.2,18.6,18.3,19.7,18.5,17.9,16.8
1995,15.8,15.2,16.9,19.2,19.4,19.7,18.9,19,19.4,18.4,18,17.9
1996,16,17,17,18.1,18.9,18.5,19,18.6,19.5,18.6,18.2,17.9
1997,16.9,16.5,16,17.8,18.9,19.4,19.1,18.6,19.9,19.6,18.4,17.5
1998,17,17.9,17.8,20.3,20.1,20.1,18.9,19.6,19.6,19.2,18.7,18.3
1999,17.3,16.9,17.3,18.6,18.9,19.3,19,18.9,18.9,18.5,18.9,18.1
2000,17.1,15.9,16.4,17.2,17.3,17.8,18,17.1,18.5,19.1,18.4,17.6
2001,16.3,15.6,16.1,17.3,18.6,18.1,17.5,18.3,16.8,16.8,18,19.5
2002,17.7,17,17.6,18.9,19.1,19.5,19.1,19.9,20.3,19.6,18.7,18.4
2003,18,17.6,18,19.2,17.7,17.6,19.1,18.8,19.5,19.3,19.3,18.4
2004,17.5,16.5,17.5,19.3,18.7,18.3,18.7,18.8,19.4,18.8,18.6,19.6
2005,17.8,18.3,17.7,19.5,20.7,19.5,19.8,19.4,19.2,19.6,18.5,17.7
2006,16.8,17,17.5,18.7,20.2,18.3,18,18.7,20.2,19.6,19.3,19.2
2007,18.3,15.4,18.5,20,19.8,18.6,19.2,18.4,18.9,19.3,17.9,17.4
2008,17.8,17.2,17.3,18,19.1,20.2,19.6,19.2,20.4,19.3,19,19.1
2009,17.4,17.6,18.1,18.3,20,19.9,20,20.1,20.4,19.5,19.5,18.8
