1901,18.2,19.5,18.4,17.6,16.6,15.1,14.1,14.4,14.7,14.6,15.5,17.1
1902,18,18.6,18.5,17.5,16.6,14.9,14.8,14,14.7,14.6,16,17.5
1903,18.6,20.2,18.6,16.9,15.7,14.5,14,13.4,14.4,14.1,15,16.1
1904,17.3,18.2,17.6,16.8,15.5,15.1,13.7,13.9,14.1,14.1,15.9,17.1
1905,18,19.5,17.9,17.3,16.3,15.6,14.5,13.9,14.1,14.7,15.9,16.8
1906,18.2,19.2,18.4,17.6,16.2,14.4,14,13.6,14.5,13.8,15.9,16.3
1907,17.7,18,18.7,16.8,16.1,14.9,13.7,13.7,14.4,14.2,15.8,17.3
1908,18.3,18.7,18.5,17.4,16.4,15.4,13.7,13.3,13.9,13.5,15.2,16.8
1909,17.6,18.3,18.4,16.6,16.4,14,13.6,13.2,14.3,14.2,15.2,16.6
1910,17.5,18.5,17.8,17.2,15.4,14.5,13.4,13.3,13.7,13.8,15.7,16.6
1911,17.7,19.2,17.4,17.2,15.7,14.7,14.2,14,14.5,14.8,16.1,18.1
1912,19.6,20.1,19.5,18.2,16.4,15,13.7,13.7,14.3,14.4,15,17.2
1913,18.5,19.1,18.7,17.1,15.7,14.5,14.3,13.8,14.1,14.9,16.5,17.8
1914,18.6,19.9,19,17.5,16.4,15,14.2,14.3,14.3,14.3,15.6,18.1
1915,19.6,20.2,20,18.8,17.2,15,14.3,14.2,14.1,14.5,15.4,17.5
1916,18.4,18.9,18.3,17.4,15.9,13.6,12.6,12.7,14.3,13.9,14.3,16.7
1917,17.7,18.2,18.6,17.1,15.6,14.6,13.6,13.6,13.5,13.9,15.5,16
1918,17.8,18.9,18,16.9,15.3,16,15,15.1,14.4,14.6,16.7,18.9
1919,19.4,20.4,19.4,18,16.8,15.2,14,14,14.5,15,15.9,17.2
1920,18.3,19,18.6,17.7,15.6,14.6,14,13.5,14.1,14.5,15.9,17.1
1921,17.8,18.6,18.1,17.4,16.2,13.9,13.6,13.6,14,14,16.3,17.2
1922,18.7,19.5,18.9,18.4,16.6,15,14.9,13.6,14.7,14.6,16.4,17.1
1923,18,19.1,18.7,17.2,16.7,15.5,14.8,14.5,15.3,14.5,16.7,17.6
1924,19.6,19.3,18.9,17.9,16.6,15.3,14.2,13.9,14.3,14.6,15.6,17.2
1925,18,18.2,18,17.6,17.1,15.6,14.1,15.2,14.3,15.4,16.5,18.2
1926,19.8,20.2,19.2,18,16.6,15.7,14.3,14.5,15.4,16.4,17.8,18.9
1927,19.6,20,19.6,17.7,16.5,15.3,14.2,14.5,15.6,16.4,17.7,19.2
1928,19.8,20.5,19.2,17.9,17.3,15.4,14.2,14.5,15.4,15.7,17.9,18.9
1929,19.9,20.1,19.6,17.8,16.7,15.5,14.1,14.2,15.1,15.7,17.3,18.9
1930,19.1,19.7,19,17.9,16.3,15.4,14.5,13.9,14.5,15.9,17.3,19.3
1931,18.6,18.8,19,18,16.1,14.9,14.1,14.1,15.1,16.2,17.9,18.6
1932,19.2,19.5,19,17.9,17,15.7,15,14.6,15.1,15.4,16.2,17.7
1933,18.2,19.7,18.9,17.8,16.4,15.1,14.1,13.9,14.8,15.3,16.2,17.7
1934,18.9,18.9,18.8,17.8,16.6,15.5,14.5,13.8,14.6,15.9,17.1,18.8
1935,19.1,19.8,19.4,17.7,15.7,15.2,14.4,13.9,15.1,15.1,16.7,18.1
1936,18.6,20.1,19,17.9,16.6,15,14.4,14.1,15,15.7,16.9,18.3
1937,19.2,19.4,19.4,18.6,17.1,16.2,15.6,15.5,15.7,15.8,17.7,18.9
1938,19.6,19.9,19.5,18.7,17.1,15.7,15.1,15.1,15.8,15.5,17.5,18.6
1939,19.3,19.8,19.5,19.4,17.4,16.7,15.6,14.4,15.4,16.4,17.1,18.3
1940,19.4,20.7,20,18.7,17.7,16.4,15.6,15,16.3,16.9,18.2,18.6
1941,20,20.5,20.6,19,18.2,15.9,15.4,15.5,16.4,17.2,18.9,19.8
1942,20.5,21.5,20.3,19.3,17.9,17.1,16.1,16.4,16.3,17.3,18.7,17.8
1943,20.3,20.7,19.9,18.8,17.2,16.3,15.9,15.2,16.1,16.5,18.7,18.8
1944,20,20.1,19.3,18.6,17.5,15.3,15.6,15.7,16.2,16.4,17.4,19
1945,19.1,19.7,18.7,19.8,18.4,15.4,15,16,16,16.8,18.1,18
1946,20.5,21.4,20.4,17.9,16.7,15.1,13.8,13.9,15.1,15.6,17.1,18
1947,20.3,20.8,20.3,19.3,18,15,14.1,13.8,14.7,14.9,16.3,17
1948,18.3,19.1,18.3,17.4,16.8,15.1,13.8,13.8,14.2,15.3,16.5,17.1
1949,19.4,18.5,18.2,16.9,15.3,14,13.5,13.4,13.6,14.3,16.3,16.6
1950,17.2,18,16.9,15.5,14.7,13.3,13.7,13.2,14.5,14.7,15.9,17.4
1951,17.2,17.9,17.1,16,16,15.7,15.8,15.2,15.4,15.8,17,17.2
1952,18.3,18.9,19.5,16.3,15.6,13.7,13.3,13.8,15.4,15.3,15.7,17.3
1953,17.7,18.9,18.3,17.5,15.8,14.6,14,14.8,15.7,15,16.6,17.2
1954,18.2,18.6,17.4,15.5,15,13.8,12.8,12.9,13.8,14.2,16,17.2
1955,18.1,18.2,17.3,17,14.8,13.8,13.1,12.8,13.7,14.1,15.6,17.1
1956,17,17.6,18,14.9,14.3,13.6,12.9,13.2,14,14.6,15.6,16.4
1957,17.1,18.4,18.6,18.1,17.3,16.1,14.8,14.9,15.4,16,17.6,18.3
1958,19.4,20,19.9,18.3,16.8,15.3,14.6,13.9,14.5,14.9,16.3,17.4
1959,18.3,18.9,18.7,17.4,16.1,14.9,14,13.6,14.8,15.6,16.9,17.9
1960,18.4,19.1,18.5,17.2,16.6,14.8,14.2,13.9,14.5,15,16.4,17.9
1961,19.1,19.5,19.1,17.6,16.3,14.4,13.4,13.9,14.6,15.6,16.8,17.8
1962,18.5,18.4,18.3,17.8,16.6,14.2,13.8,13.9,15.2,15.4,16.7,18
1963,18.3,18.9,18.5,17.6,16.6,14.7,14.4,14.1,15.2,15.1,16.5,18
1964,18.5,18.8,18.8,17.2,14.9,13.7,13.4,13.2,14.4,15.1,17,17.5
1965,18.5,18.8,19.3,18.1,16.8,16.4,15.5,15.8,15,15.7,16.8,18.5
1966,18.9,19.2,19.2,16.9,15.7,14.5,13.5,13.2,14.4,15.1,16.8,17.7
1967,18.5,18.9,18.3,18.5,16.6,14.3,13.9,13.4,14,14.7,16,17.4
1968,18.4,18.9,17.8,16.8,14.8,14.1,13.7,13.9,14.7,15.5,16.3,18.1
1969,18.5,19.1,19.2,18.1,17.6,15.9,14,14.1,15.7,15.9,17.5,18.4
1970,18.5,19.7,19.2,18.1,16.5,14.8,13.4,13.7,14.6,15,16.8,17
1971,18,18.2,18.3,17.1,15.3,14.2,13.3,13.5,14.9,15.5,16.9,17.6
1972,19.1,19.4,18.8,17.4,16.3,16.3,15.6,15.6,15.8,16.2,17.5,18.9
1973,20,20.6,19.2,17.9,16.3,14.9,14.3,14,14.3,15,16.3,17
1974,17.9,19,17.8,17.3,16,14.7,13.8,13.7,13.9,14.7,16.1,17.1
1975,17.8,18.3,17.8,16.8,15.2,14.5,13.4,13.3,13.9,14.3,15.4,17.6
1976,18.3,18.4,18.2,17.2,16,15.3,15.2,14.8,14.7,15.3,16.4,19
1977,19.5,19.7,19.1,18.2,16.6,15.3,14.4,14,14.9,15.6,17.2,17.7
1978,18.6,19.7,18.5,17.1,16.4,14.6,14,14,14.1,15.4,17.6,17.9
1979,18.9,19,19.1,17.6,16.2,15.1,14.7,14.5,15,15.6,16.7,17.9
1980,19.2,19.9,20,19.5,17.5,15.9,15.3,14.2,15,15.5,16.8,18.3
1981,18.2,19.3,19.7,18.2,16.6,14.9,14.3,14.6,15.3,15.8,17,17.8
1982,18.5,19.3,18.6,17.6,17.3,15.4,14.9,14.7,16,16.5,16.6,20.2
1983,20.7,20.9,21.6,20.4,16.5,15.7,17.4,16.5,15.8,16.3,17.5,18.5
1984,18.8,19.1,19.2,17.4,16.4,15.2,14.3,14.6,14.9,16.3,17,18.8
1985,18.8,18.8,19.1,17.3,15.7,15.1,14.4,14,15.2,15.8,17.1,18.5
1986,18.7,19.1,18.7,17.6,15.8,14.4,13.8,14.1,15,15.5,17,18.8
1987,19.8,20.5,20.1,18.5,17,15.9,15.3,15.1,15,16.2,17.7,18.8
1988,18.8,19.2,19.2,18.2,16.7,14.6,13.5,13.5,14.7,15,17,18
1989,18.5,19.7,18.4,17.3,16,15,14.3,14.2,15,15.9,17,17.3
1990,18.8,18.9,18.7,17.5,16.5,14.9,14,13.8,15,15.5,16.5,18.2
1991,18.1,18.4,19.4,17.8,16.9,15.5,14.6,13.9,15.4,15.7,17,18.3
1992,19.2,20,20.9,19.3,17.8,15.4,14.3,14.1,14.8,15.7,17.1,18.3
1993,18.8,19.6,19.3,18.5,17.2,16.2,14.8,14.7,15.2,15.7,16.9,17.8
1994,18.5,19.3,19.1,17.9,17.3,15.2,14.2,14.2,15.5,16.1,17.2,18.6
1995,19.5,19.7,18.9,17.8,16.5,15.6,14.2,14,15.2,15.2,15.3,17.3
1996,17.9,18.6,18.6,17.2,15.9,14.3,13.6,14.1,14.9,15.5,16.7,17.9
1997,18.8,19.4,19.4,18.5,18.2,17.9,15.2,14.5,15.1,15.8,16.9,19.4
1998,20.5,21.2,21.5,19.7,17.7,16.5,15.3,14.5,15.1,15.6,17,17.9
1999,18.6,19.5,18.8,17.5,16.2,14.4,14.1,14.3,14.8,15.7,16.5,17.8
2000,18.6,19,18.3,17.9,16.3,15,14.3,14.5,14.8,15.7,16.2,18.3
2001,19,19.9,19.3,18.3,16.2,14.9,13.8,14.3,14.8,15.5,16.6,18.1
2002,18.6,19.5,20,18.4,17.2,15.1,14.3,14.5,15.1,16,17.2,18.6
2003,19.6,20.3,19.7,17.5,16.7,14.9,14.4,14,15,16.1,17.6,18.6
2004,19.2,19.9,19.7,18.5,16.1,14.7,14.1,14.3,15.8,16.1,17.4,18.7
2005,19.7,19.6,19.6,18.1,16.3,14.8,14.3,14.2,14.9,15.2,15.9,16
2006,19.2,19.3,19.9,17.4,16.1,15.7,15.4,15.2,15.5,16,17.4,18.4
2007,19.9,19.3,19.1,17.6,15.8,14.4,13.6,13.4,14.3,14.4,16.1,17
2008,19,19.3,19.2,17.1,15.2,14.9,14.5,14.5,15.2,15.5,17.1,18.1
2009,19.5,19.5,19.6,18.3,16.7,15.2,14.8,14.6,15.2,15.9,17.4,18.3
