1901,18.1,17.2,17.4,15.5,13.7,11.9,11.1,10.5,12.1,14.6,17.9,16.4
1902,18.3,17.4,16.6,16.5,14.4,11.9,11.8,10.9,14.5,15.2,17.1,17.1
1903,17.6,17.1,17.5,16.4,14.8,12.9,11,11.7,11.5,14.1,16.3,16.8
1904,16.8,17,17,15.5,14.4,11.6,10.5,11.7,11.8,15.6,17.7,17.4
1905,17.8,17.2,16.7,15,14.6,13.3,11,11.9,11.9,15.8,16.1,16.8
1906,18.6,17.6,17.9,16.4,14.2,11.9,11,11.1,12.5,14.5,16.3,16.8
1907,17.5,17.3,16.5,15.9,14.2,12.1,9.9,11.5,13.1,16.4,16.7,16.3
1908,17.8,17,17.6,16.1,13.4,12.6,11.1,12.1,13.8,16.4,17.3,16.6
1909,17.2,17.2,17,15.9,13.5,10.8,11.9,11.5,13.8,14.1,16.9,16.4
1910,17.7,17.4,17,16.3,13.6,11.1,10.8,11.7,13.2,15.5,15.1,16.1
1911,17.3,16.5,16.6,14.6,13.4,11.5,11.4,11.5,13.1,15.5,16.3,18
1912,18.1,16.9,17.9,16.4,14.7,12.3,11.2,12,14.4,15.6,17.8,17.1
1913,16.9,16.9,17.7,15,15,11.7,10.6,12.4,13.4,16.2,16.4,16.5
1914,17.1,17.9,17.2,16.3,14.3,12.6,10.9,12,13.6,15.2,15.9,17.9
1915,17.8,17.6,17.3,16.7,14.4,11.9,11.9,10.9,12.7,16.3,16.7,17
1916,17.7,17,17.4,16.2,13.8,11.8,9.8,11.8,12.9,15.1,15.4,15.5
1917,16.8,16,16.4,15.6,14.8,12.4,11.8,11.6,12.5,13.2,16.1,15.7
1918,17.8,16.7,16.8,15.2,13.7,12.3,10.7,11.1,12.9,15.6,16.5,17.2
1919,17.7,17.5,17.4,15,12.8,11.8,10.1,12.7,14.4,15.1,17.5,17.5
1920,17.4,17,16.9,14.9,14.2,10.8,9.9,11.8,14.4,16.3,16.2,16.3
1921,17.1,17,16.4,15,13.8,11.7,11,11.6,13.2,15.8,16.3,16.2
1922,16.6,16.9,17,14.2,13.6,11.2,10,11.5,12.3,14.7,16.6,17.4
1923,18,17.5,17.6,16.5,14.7,12,11.9,11,13.8,15.5,17.3,17.2
1924,17.7,17.2,17.8,15.6,14.5,12.1,11.7,12,13.4,14.9,16.4,16.6
1925,17.3,17.2,16.8,16.4,13.4,13.3,12.2,11.3,14.8,15.7,16.4,17.2
1926,18.4,18,18.4,17.3,14.9,13.5,11.9,12.4,14.5,15.9,17.8,17.4
1927,17.6,17.6,16.8,16.1,14.3,12.2,10.5,12.1,13.4,15.6,16.6,17.8
1928,17,17.7,17.6,17,15,11.8,11.2,11.9,13.2,15.8,17,17
1929,18.1,16.1,18.1,16.5,14.2,12.7,11.9,11.9,13.4,16.6,17.2,16.6
1930,16.8,17.8,17,16,13,11.5,10.8,10.8,14.6,14.9,17.1,17.3
1931,16.8,17.1,16.7,15.6,13.8,11.5,11,11.2,12.1,14.1,15.4,16.5
1932,17.7,16.9,17.3,15.1,12.8,11.7,11.1,11.6,12.3,14.4,17,16.7
1933,17.5,16.6,16.4,15.7,13.8,11.5,11,11.5,11.7,15,17.1,16.8
1934,17.1,17,17.3,15.9,14.1,10.4,10.9,10.2,12,14.5,16.3,16.1
1935,17.3,16.9,17.5,15.4,14.5,11.9,9.6,11.8,13.7,15.4,15.9,16.6
1936,17.2,18.2,17.6,16,14.4,11.4,10.8,11,12.8,16,16.8,16.6
1937,17.1,17.4,16.7,15.9,13.6,12.6,10.9,11.3,14.1,14.7,17.9,17.2
1938,17.7,17.4,17.6,16.4,14.5,11.4,11.7,12,13.1,14.9,15.5,17.4
1939,17.7,17.7,17.1,16,14.5,12.2,11.5,11.1,13.5,15.3,16.8,16.4
1940,16.8,16.9,16.7,15.6,13.4,11.5,10.7,10.9,12.1,13.6,15.5,16.7
1941,16.2,17.4,17.5,16.3,13.9,12.3,10.9,11.7,13.5,14.9,16.1,17.3
1942,17.6,17.8,17.8,16,13.5,11.7,10.6,11.6,13.2,13.4,16.1,16.9
1943,17,16.6,16.7,16.2,13.6,11.4,10.3,11.4,10.8,13.8,15.9,16.7
1944,17,17.5,16.7,15.3,13.9,13.2,10.6,11.4,13.2,13.9,16.7,16.8
1945,18.1,16.9,17.6,16.7,13.7,11.3,10.7,11.4,12.9,16.2,16.1,16.6
1946,17.4,17.9,16.9,15.8,14.1,11.7,11.4,11.7,11.5,15.1,15.9,17
1947,17.9,18,16.6,16.3,14.1,11.9,12.2,10.9,12.7,14.4,15.9,17.4
1948,17.6,17.6,17.3,16.8,15.4,12.4,11.5,11.5,12.7,14.5,16.3,16.3
1949,18,17.7,17.2,15.6,14,11.9,11.2,12.2,13.5,15.5,16.7,17.5
1950,18,16.7,16.7,15.7,12.9,11.5,10.3,11.4,11.6,14.3,16.3,16.8
1951,15.8,15.6,16.1,15.4,13.7,11.4,11.6,12.4,12.2,14.2,15.1,16.3
1952,16.6,17.1,17.1,15.6,14.1,11.1,10.9,11.3,12.1,13.2,14.3,16
1953,16.6,16.6,16.8,15.6,13.6,13.1,11.5,10.7,11.8,13.2,15.9,16.6
1954,16.5,17.3,16.5,15.6,14.1,12,11.3,11.4,11.9,14.5,15.1,16.4
1955,17.2,17,16.4,14.8,13.5,11.2,11.3,11.5,12.3,14.3,15.7,16.3
1956,16.2,16,16.5,15.1,12.6,11.1,10.7,11.2,12.3,14,15.9,16.6
1957,17.5,16.2,16.3,15,13.2,11.8,10.7,11.3,12.6,14,16.2,16.6
1958,17.1,17.2,17.2,16.2,12.9,11.3,11.1,11.7,13,13.4,15.5,16.2
1959,16.9,17,16.4,14.8,13.5,11.7,10.2,10.9,12.2,13.1,15.9,17
1960,17.3,16.8,15.8,15.1,13.9,12,10.7,10.7,11.3,12.6,14.2,15.6
1961,17.2,17.8,17,16.5,15.3,12.6,11.8,11.3,11.8,14.5,16.2,16.4
1962,17.5,17.2,16.7,15.5,12.8,11.3,10.4,11,11.9,12.8,15.3,16.6
1963,16.9,16.9,16.6,16.1,12.9,11.6,11,10.2,11.6,14.4,14.8,16.3
1964,17.1,17.8,16.7,15.5,12.8,11.6,10.1,10.4,11.5,12.7,15.5,15.8
1965,16,16.6,15.6,14.9,12.6,11.1,10.6,11.1,12,13.1,14.9,16.1
1966,17.2,16.9,16,16.1,14.7,11.9,10.9,11,13,13.2,15.4,16.6
1967,17.2,17.4,17.2,15.9,14.2,12.1,11.9,11.3,12.5,14.2,15.1,16
1968,16.4,16.7,16.5,15.3,13.5,11.5,10.5,10.8,11.9,13.5,15.1,16
1969,17.1,17.6,17.9,16.8,13.8,11.5,11.3,10.7,13.1,15.4,16.7,17.6
1970,17.5,18.1,17.7,15.8,13.9,11.7,11.4,11,11.9,14.4,16.1,16.4
1971,16.4,17.1,16.6,15.7,13.9,10.8,10.8,10,11.4,13.7,14.9,16.1
1972,16.3,16,16.3,15.4,13.9,10.7,11.4,11.8,11.9,13.7,15.5,16.8
1973,16.5,16.9,16.8,15,13.4,11.7,10.6,10.5,12.2,13.6,15.6,15.6
1974,16.1,15.8,15.5,15.3,13.6,10.8,10.3,10.5,11.1,12.9,15.3,16.1
1975,16.6,16.3,16.1,15.6,13.2,11.1,10.7,9.8,10.6,12.7,14.6,15.8
1976,15.3,16.6,16,15.4,13.6,11.4,11.2,11.5,11.8,13.4,15.3,16.4
1977,16.8,16.3,16.6,15.2,14.1,11.9,10.8,11.9,11.6,14.6,15.4,16.9
1978,17.7,17.5,16,15.3,13.2,11.1,10.9,10.6,13,14.2,15,16.2
1979,16.9,16.5,16.7,14.8,13,10.7,10.4,11,12.6,14.2,15.2,16.7
1980,16.9,17.3,16.8,15.9,13.2,11.5,10.8,10.4,11.6,13.9,15.6,16.3
1981,17.3,17,16.8,15.2,12.9,11.4,10.2,11.7,11.8,14.1,15.4,16.7
1982,16.5,17,16.6,15.6,13.3,12.2,12,11.4,11.9,13.4,15.4,16.3
1983,16.7,17.8,17.3,15.6,13.9,12.1,11.2,11,11.6,13.8,16,16.3
1984,16.7,16.7,16.4,14.8,13.1,10.9,9.6,10.3,12,13.2,15.2,16.6
1985,17.2,16.8,16.4,14.8,12.8,11.1,10.9,10.8,11.4,12.1,14.8,16.4
1986,16.8,17,16.3,15.7,13.1,9.8,9.9,10.8,11.5,13.3,15.1,16.6
1987,16.8,17.4,17.4,15.8,13.4,10.8,11.8,11.2,12.1,14.2,15.2,17.7
1988,17.3,16.9,16.8,15.9,12.6,12.1,11,11.1,11.3,13.9,15.1,16.4
1989,16.6,16.4,16.6,14.9,13.1,11.6,11.1,10.6,11.8,13.7,15.2,16.6
1990,17.2,17.6,17.3,16.3,13.6,11.8,10.1,11.6,12.6,14.5,14.4,16.1
1991,17.9,17.3,17.8,15.6,14.2,11.6,10.3,10.9,12.4,14,15.8,16.1
1992,17.4,16.6,18.1,16,14.1,11.6,9.7,10.9,12,14,16.2,17.7
1993,17.4,17,16.1,15.9,13.8,12.5,10.6,10.9,11.4,13.7,15.2,16.7
1994,17.1,18.2,16.8,17,14.2,12.4,9.7,12.3,13.3,14.3,16,17.4
1995,17,17.4,17.4,16.1,13.9,11.9,11,11.4,12.7,13.8,15.5,17.1
1996,17,16.8,17.3,16.3,13.8,11.9,10.8,10.6,13.2,13.2,16.3,16.8
1997,16.6,16.9,17.4,16.3,13.9,11.9,10.8,11.7,13.5,13.3,17.1,17.3
1998,17.7,17.9,18,15.9,14.1,12,10.5,11.5,12,13.7,15.5,16.6
1999,16.8,17.5,16.9,15.2,13.9,11.5,10.3,10.9,12.2,13.4,14.8,16.9
2000,17.1,16.5,16.3,15.9,14.1,11.4,10.9,11.6,11.5,13.9,15.7,16.8
2001,17.2,17.6,18.3,16,14,11.5,11,11.1,12,13.7,15.8,16.7
2002,16.7,17.4,17.2,15.6,13.6,11.2,11.3,12.3,12.1,13.8,16.5,16.9
2003,16.8,17.1,17.4,15.9,15.2,11.6,10.8,10.9,11.9,14.4,16,16.6
2004,16.7,17.1,16.6,15.6,12.9,10.7,10.7,11.3,13.7,14.4,15.1,16.6
2005,17.7,18.3,17.7,16.3,14.2,12.2,10.7,11.6,12.8,14.3,16.1,16.4
2006,17.2,17.5,17.2,15.7,13.8,12,11.3,11.4,12.2,14.3,16.3,17.5
2007,17.6,17.7,17.3,15.9,14.5,12.1,11.3,11.6,12.7,14.2,16.1,17.2
2008,17.3,17.4,16.5,15.1,13.6,11.4,11.4,11.5,12.3,14.6,16.1,17.4
2009,18,18.1,17.2,15.9,14,12.4,11.4,11.4,12.6,14.4,16,17.3
