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