1901,18.1,18.1,18,17.5,17.9,16.3,15.9,16,16.3,16.9,17.3,17.9
1902,18.1,18.1,18,17.5,17.9,16.3,15.9,16,16.3,16.9,17.3,17.9
1903,19.1,18.4,18.7,17.7,17.6,16.4,16,15.5,15.9,15.9,17,18
1904,18.3,17.9,18,17.2,17.5,15.5,15,14.6,15,16,16.2,17.9
1905,18.8,17.2,18.1,17.9,17.7,16.7,15.1,14.6,15.6,16.6,16.6,18.6
1906,18.8,19.4,18.5,18.2,17.8,16.2,15.6,15.1,16.1,16,17.2,18.4
1907,18.1,18.3,17.5,17.7,17.5,16.5,15.4,15.3,15,15.7,16.6,18.1
1908,18,18.6,18.2,17.2,17.3,15.5,15.4,15.7,15.8,15.5,16.8,17.8
1909,18.6,19,18.4,18.1,18.7,17,17.3,16.7,16.2,17.1,17.6,18
1910,18.8,18.4,18.4,18.1,18.2,16.9,16.5,16.4,16.6,17.4,17.3,18.7
1911,19.1,18.1,18.7,18,17.7,16,15.3,15.7,14.6,16,17.3,18.9
1912,18,19.2,18.6,18.5,17.5,17.3,15.7,14.8,15.5,16.2,17.3,18.6
1913,19,18.4,18.7,17.6,18.2,16.4,15.5,15.2,14.6,15.3,17.2,17.9
1914,18.9,18,18.7,18.3,18,16.1,15.2,14.4,14.5,15,16,17.8
1915,18,18.8,18.5,17.3,18.3,16.3,16.3,15.6,16.7,16.5,17.7,18.7
1916,17.7,18.8,18.6,17.9,17.7,16.5,16.8,16.6,16.3,17.3,17.9,18.5
1917,18.6,18.8,18,18,18.3,16.3,16.8,16.5,17,17.3,17.9,17.3
1918,18.4,17.6,17.8,17.4,17,15.2,14.2,14.5,14.4,15.7,17.5,18.2
1919,18.1,18.7,18.3,17.4,17.6,14.9,14.5,14.6,15.1,15.4,17,18
1920,18,18,18.9,18.1,18,16.9,15.6,15.4,15.6,16.3,16.6,18
1921,18.3,18.9,19,17,17.6,16.7,15.8,15.2,16,16.7,16.8,18.2
1922,19,19.1,18.4,17.2,16.9,16.2,16.4,14.8,16,16.7,16.6,18.5
1923,18.8,17.6,17.2,17.1,17.4,15.2,14.1,15.3,14.2,16.1,17.1,18.7
1924,18.6,18.9,19.1,17.8,17.9,16.5,15.2,15.5,16,17.3,18.1,18.3
1925,18.9,18.8,18.4,17,17.2,15.8,15.2,14.9,15.5,15.5,16.9,18.5
1926,18.4,19,19.1,18,18.6,16.3,15.9,15.9,16.4,17.1,17.1,18.4
1927,18.3,18.8,19.3,18.1,18.3,17,15.8,14.7,14.8,15.7,16.6,18
1928,18.4,18.9,18.7,18.3,17.8,15.8,14.9,15.2,15.8,16.6,17.3,19.1
1929,17.9,17.4,18.2,18.3,17.2,16.2,16,14.7,14.8,16.2,17.1,17.2
1930,18.5,18.3,18,17.3,18.6,16.7,15,15.1,14.6,16.1,16.5,18
1931,19.2,18.1,17.6,15.9,17.1,14.6,14.1,16.2,14.4,16.9,16.3,17.9
1932,18.9,19,19,18.8,18.5,16.2,15.1,15,15.6,16.3,17.2,18.4
1933,19.2,18.9,18.9,17.9,17.7,16.3,16.2,16,16.2,17,17.4,18.2
1934,18.8,19.4,18.5,18.2,18.3,17,16.3,15.9,15.1,16.3,18.5,17.7
1935,19.2,19.2,18.6,17.7,17.5,16.4,16.6,15,15.7,16.7,16.7,18.2
1936,19.2,18.6,18.8,18,17.5,16.7,16,14.8,15.8,16.2,17.3,18.6
1937,18.8,18.7,18.8,18.1,18.4,17,16.6,15.7,16,16.8,17.8,18.8
1938,18.7,18.2,18.3,18.2,17.3,16.4,16.1,16,15.4,16,17.3,17.9
1939,18.6,18.3,18,17.8,17.3,16.3,16.2,15.8,16,16.5,17.6,18.9
1940,18.3,18.3,17.7,17.8,18.4,16.8,16,15.8,15.7,15.6,17.6,18.6
1941,18,18.1,18.2,17.2,17.8,15.7,14.2,14.3,14.8,16.4,16.3,17.4
1942,18.4,18.7,18.5,18.8,18.7,16.8,17.1,15.7,16.4,16.9,17.3,18.6
1943,17.9,18.4,17.8,17,17.3,16.2,15.8,15.8,16.2,16.7,17,18.2
1944,18.5,18.4,17.7,17.2,17.7,15.8,15.6,15.4,15,16,16.4,18.7
1945,18.8,18.8,18.4,17.1,16.9,16,15.5,16.4,16.5,16.7,16.3,17.4
1946,18.3,18.1,18,16.7,17.2,14.8,14.8,15.1,15.6,16.3,16.7,17.5
1947,18.3,18.8,18.3,17.9,17.4,16.5,16.2,16.3,17,16.7,17.2,17.6
1948,18.4,18.1,18,17.2,18,16.6,16.3,15.8,15.6,16.7,16.5,17.6
1949,18.2,18.7,18.2,17.3,17.8,15.7,15.7,15.3,16.2,17.2,16.9,17.6
1950,18.1,17.6,18.3,17.3,17.2,16.7,16.4,16.1,16.4,17.1,17.5,17.7
1951,18.5,18.1,17.5,16.9,16.8,16,16.1,15.5,16.7,17,16.7,18.1
1952,18.5,19,18.5,17.8,17.7,16.9,15.7,15.8,16.4,16.9,17.1,17.6
1953,18.4,18.4,18.7,17.3,17.1,16.2,16,15.5,15.8,17,17.8,18
1954,18.3,18.5,18.2,17.9,18,16.6,16.6,17,16.7,17.1,17.4,17.8
1955,17.7,18.7,18.4,17,18.6,16.3,16.2,16.8,17.3,17.6,17.4,17.2
1956,18.4,18.1,18,17.3,18.6,16.9,16.5,17,16.7,17.5,16.5,17.9
1957,18.1,19.9,17.2,17.3,17.6,15.7,17.3,17.2,15.6,16.3,17.5,18.4
1958,18.9,18.6,18.4,17.5,18.6,16.8,15.9,16.3,16.3,16.6,17.2,17.7
1959,18.4,18,18.5,16.9,18.2,16.8,15.8,15.6,16,16.8,17.3,18.5
1960,18.4,18.2,18,17.1,18.1,16.2,16.2,15.7,16.4,16.1,17.4,18.5
1961,17.8,18.4,17.4,17.4,17.4,15.7,15.6,15.2,15,15.8,17.1,18
1962,18.8,18.5,17.8,17.2,17.9,16.4,16.1,15.9,16.9,17.5,17.4,18
1963,18.2,18.3,18.1,17.1,17.7,15.6,14.5,15.8,15.1,15.6,16.4,17.8
1964,18.4,18.9,18.3,18.2,18.1,16.7,16.9,16.5,17.4,17.5,16.9,17.4
1965,17.7,18,17.7,16.5,17.6,15.1,14.3,14.9,15.8,16.3,17.1,18
1966,17.9,18.2,17.9,17.2,17.9,16.4,15.2,16.8,16.4,16.6,17.2,17.9
1967,17.8,18,17.9,16.6,17.5,16.4,15.6,15.6,15.2,16.2,16.6,17.9
1968,17.7,17.6,17.9,16.6,17.7,15.8,16.2,15.8,16.2,16.6,16.7,17.7
1969,17.3,17.8,17.9,17.6,18.1,17,16.3,16.2,16.2,16.9,17.3,18.1
1970,18,17.9,18.2,17.5,17.7,16.6,15.9,16.5,16.3,16.7,16.8,17.1
1971,17.3,17.8,17.6,16.8,17.1,15.9,15.6,15.9,16.7,17,17.2,17.2
1972,17.3,17.6,17.4,16.6,16.4,15.5,15.3,14.2,15,15.9,17.4,18.1
1973,19.2,18.8,18.3,17.9,17.6,15.9,15.7,16.9,17.5,17.3,17.6,17.5
1974,17.5,17.7,17.4,17.1,17.4,14.8,16,16,17.1,17.2,17.5,17.7
1975,17.7,18.2,18,17.6,17.6,16.2,16.1,16.2,17,17.2,16.6,17.5
1976,17.2,16.9,17.4,16.6,17.2,15.9,15.4,15,15.3,17.4,17.4,17.9
1977,18.3,18.7,18.3,17.8,17.6,16.1,15.8,15.4,16,16.5,17.1,18.1
1978,18.3,18.1,18.3,17.3,18.8,17.2,16.5,16.4,16.5,17.3,17,17.7
1979,18.8,18.2,18.2,17.6,17.6,16.7,15.7,15.2,16.5,16.5,17.3,17.8
1980,18.6,18.5,17.2,18.3,18.5,16.5,16.4,16.4,16.1,16.9,17.8,18.2
1981,18,18.5,17.6,17.6,18.6,16.8,16.6,15.8,17.1,17.2,18,17.8
1982,18.3,18.3,18.1,17.8,17.7,15.5,15.2,15.1,15.2,16.2,16.6,18.9
1983,19.3,18.9,19.2,18.7,18.7,17.4,16.8,16.9,17.2,17.2,17.5,18.2
1984,18.4,18.1,18.1,18,18.2,16.6,15.7,16.1,17,16.8,17.1,18.1
1985,17.9,18.7,17.5,17.9,19,16.5,15.3,16.8,16.2,16.8,16.8,18
1986,18.4,18,18.2,17.3,17.6,17,16.2,16.2,15.8,17.3,17.8,18.2
1987,18.5,18.3,18.1,17.3,18.3,17,15.8,16.1,16.9,17.9,18.6,18.7
1988,17.7,18.5,19.4,17.9,18.5,16.4,16.8,17.3,17.2,16.7,18.3,17.8
1989,18.6,18.2,17.8,17.4,18,17.1,17,16.2,16.7,17.3,17.2,17.7
1990,17.9,17.8,18.2,17.8,18.7,16.5,16.4,15,15.9,16.9,17.4,18.4
1991,18.8,18,17.4,18.1,17.6,16.5,16.6,16,15.6,16.6,17.1,18.2
1992,18.5,18.7,18.4,17.5,18.6,16.5,16.4,16.6,16.6,16.8,17.5,18.1
1993,17.4,18.3,17.9,16.8,17.7,17,16.9,15.6,16.8,16.6,17.3,16.7
1994,19.2,18.3,18.2,17.6,17.9,16.3,16,15.9,15.8,16.8,16.8,17.8
1995,18.7,18.4,18,17.6,17.4,16.3,15.9,15.8,16.1,16.2,17.4,17.4
1996,18,17.8,17.9,17.6,17.7,16.7,15.4,16,16.5,16.6,17,18
1997,18,18.1,17.9,17.1,17.6,16.1,15.8,15.6,16,16.6,17.1,18
1998,17.9,18.3,18.3,18,18.4,16.7,16.3,16.2,16.7,17.3,17.3,17.9
1999,18.1,18.3,18,17.5,18.1,16.5,15.7,15.5,16,16.9,17.2,17.7
2000,17.9,17.8,17.8,17.6,18,15.9,15.5,15.8,16.3,17.7,17.3,17.6
2001,17.8,17.8,18,17.5,17.6,16.4,15.4,15.9,16.3,16.9,17.5,18.2
2002,18.3,18.4,17.9,17.5,17.8,16.4,15.7,15.8,16.2,16.7,17.1,18
2003,18,18.4,18,17.6,17.9,16.5,16,15.9,16.1,17.6,17.2,18.5
2004,19,18.4,18,17.3,18.8,16.2,15.6,15.9,16.2,16.8,17.2,17.9
2005,18.1,18.3,17.9,17.4,17.5,16.5,16,15.6,16,17.1,17.2,18.2
2006,18.2,18.1,18,17.6,17.8,16.4,15.9,15.7,16.1,16.5,17,17.6
2007,18,17.8,18,17.3,18.1,16.2,15.4,16,16.1,16.9,17.1,17.9
2008,18.1,18,17.7,17.2,17.5,16.4,15.9,15.9,16.4,16.9,17.5,18.2
2009,18,18.1,18.1,17.6,17.7,16.5,15.9,16.1,16.5,16.7,17,17.8
