1901,15,16.3,19,19.9,20.6,19.9,19.3,18.7,19.5,19.4,17.8,15
1902,15.2,16.4,19.8,21,21.6,20.4,19.4,19.4,19.5,18.6,17.9,15.4
1903,15.1,16.6,17.7,19.6,20,19.5,19,18.7,18.6,17.5,16,14.1
1904,14.7,17.7,20,20.7,20.1,19.9,18.4,18.7,18.8,17.6,15.8,15
1905,14.4,14.2,18.4,19.7,21.2,19.8,19.2,19.8,18.8,17.8,16.4,13.3
1906,14.9,16.4,18.3,20.1,20.6,20.2,19,18.6,18.9,17.6,16.1,15.2
1907,16.1,16.7,19.5,20,20,19.9,18.7,19,19.2,18.1,15.5,14.9
1908,15,16.2,19.1,20.1,21,20.4,18.9,19.1,18.6,17.6,15.9,15
1909,15.4,16.8,19.6,20,21.1,20.1,19.1,18.6,18.1,17.4,16.8,13.7
1910,14.5,15.4,17.7,19.2,20.1,19.5,18.8,19,18.2,17.2,16,14.1
1911,15.4,16.4,18.3,19.6,18.9,19.5,18.5,19.3,19.3,17.7,15.2,14.2
1912,14.6,15.2,17.8,20.1,20.6,18.7,18.6,19.2,18.7,17.7,15,14.1
1913,14.7,16,17.9,18.5,19.6,18.4,18.5,19.2,18,17.3,16,14.1
1914,15.3,15.8,17.1,19.1,19.6,18.7,18.6,18.7,18.4,17.8,15.5,13.5
1915,14.2,16,16.9,18.8,20.9,20.4,19.2,19.3,18.5,17.8,16.1,15
1916,16.1,16.7,19,19.6,20.3,19.9,18.4,18.1,17.9,16.9,14.8,14.1
1917,14,15.4,17.3,18.2,20.1,17.6,18,18.1,17.6,16.3,16,12.9
1918,13.4,15.8,15.9,19,19.7,18.1,18.1,18,17.6,17.6,15.8,13.9
1919,11.9,15.6,17,17.9,19.9,19.4,18.4,18.8,18,17.5,15.8,13.8
1920,12.9,15.9,18.3,20.2,18.6,18.3,18.7,18.5,18,17.1,15.5,13.4
1921,12.9,14.5,17.5,19.1,18.9,19.4,18.2,18.5,17.9,16.1,15.2,13.6
1922,14,15.9,17.9,19.8,20.1,18.2,18.3,18.7,18.1,16.7,15.7,13.7
1923,13.8,15.1,17.5,19.4,20.7,19.4,18.4,18.6,18.7,16.9,15.2,14
1924,13.4,14.9,18.6,19.6,19,19,18.5,18.7,17.5,16.5,14.2,13.6
1925,13.1,14.8,16.5,18.5,18,18.2,18.1,18.5,17.8,17.7,15,12.5
1926,13.2,14.9,17.7,18.2,18.9,19,18.9,18.9,18.1,17.5,14.5,13.9
1927,12.4,15.1,17.5,19,20.7,19.2,18.1,18.5,17.9,16.8,14.7,14.2
1928,13,16,17.7,19.2,19.9,20,18.6,18.5,18.3,17.3,14.7,13.2
1929,13.5,16.5,17.9,20.8,19.1,18.7,17.5,17.8,17.7,16.5,15.8,13
1930,13.5,15.3,18.1,17.5,19.2,18.5,17.7,18.2,18.3,17.5,14.7,13.4
1931,12.8,15.6,17.3,18.3,19.2,19.3,18.8,18.6,17.8,17.4,14.9,13.9
1932,14,16,16.8,18.4,19.7,19.6,18.3,18.9,18.4,16.8,13.1,13.1
1933,13.5,16.2,17.1,20.2,21.1,19.1,19.7,18.4,17.8,16.9,14.3,12.9
1934,13.4,15.1,17.4,17.7,18.4,19.7,18.7,18.4,18.2,16.6,15.2,13.9
1935,12.3,14.2,16.9,19,19.8,18.5,18.2,18.7,18.2,16.6,15.1,13.1
1936,14.1,16.4,18.7,18.6,18.6,19.9,19.5,18.6,18.2,17.4,15.8,13.4
1937,15.2,16.5,17.1,19.4,18.6,18.7,18.4,18.4,18.3,17,14.7,13.3
1938,14.1,14.8,17.5,18.9,19.1,18.6,18.4,18.4,17.4,16.2,15.3,12.4
1939,13.4,15.7,16.9,19.1,20.1,18.6,18,18.6,17.2,16.9,13.6,13.1
1940,12.1,16.2,16.5,21.7,21.9,19.2,18.4,19.1,18,17.3,15.4,13.2
1941,13.6,16,18,21.8,20.7,21.4,20.2,20.8,19.1,18.7,16.8,15.1
1942,13.9,17.4,18.6,21.4,22,21.1,19.4,19.9,19,18.8,16.1,15.2
1943,14.9,15.1,18.7,20.7,22,20,19.9,20.9,19.9,17.5,15.1,14.4
1944,14.3,17.7,20.8,21.3,21.7,20.8,20.4,18.7,19.6,16.6,17.7,14.5
1945,15,18,21,21.5,20.8,21.3,20.6,19.6,19.3,18.1,17.1,14.9
1946,14.3,17.3,19.3,20.6,20.7,20.1,19.6,19.7,19.8,18.3,17.3,14.7
1947,15.8,16.9,20.3,21.7,21,21.4,19.4,19.7,18.3,18.4,17.8,15
1948,14.4,18.1,20.6,20.5,21.6,21.2,19,20.4,19.9,18.8,18.1,16.3
1949,15.8,18.6,19.5,21.1,21.7,21.1,20.3,20.5,18.2,19.8,15.8,16.2
1950,16,16.5,18.6,20.5,21.8,20.4,19.3,19.5,20,16.9,16.2,14.2
1951,14.8,15.6,18.5,20.1,19.5,20.3,18.7,19.1,18.5,17.6,16.6,15.6
1952,16.4,16.8,19.9,19.2,19.7,19.1,19,19.2,18.1,15.4,16.4,14.3
1953,14.4,17,19.7,21.1,21.2,20.4,19.3,19.6,18.6,17.4,15,13.9
1954,15.2,16.1,18.6,19.2,19.3,19.4,18.7,19.1,18.3,16.9,15.3,14
1955,15,15.6,19,21.1,20.6,20.2,17.7,18.9,17.7,16.4,16.1,14.1
1956,14.3,16.8,18.8,20.4,19.5,18.6,18.1,18.9,17.7,17.3,15.3,14.7
1957,15.7,18.3,19,20.6,20.8,20.1,19.2,19.4,18.6,17.6,15.1,14.3
1958,13.1,16,19,20.6,19.8,20.2,18.7,19.1,18.7,18.3,16.3,14.2
1959,14.4,17.3,18.6,19.6,20.3,19.8,18.8,18.7,19.1,17.8,15.2,14.3
1960,15.2,15.6,17.9,19.3,19.9,20.4,19.2,19.4,18.3,18.6,16.4,14.4
1961,14.3,16.2,19,20.2,20.6,19.6,18.6,19.1,18.6,17.2,16,15.1
1962,14.6,17.6,18.7,18.9,19.8,20.1,19.3,19.4,18.9,17.9,15.6,15.2
1963,15,15.4,19.4,20.9,19.7,20.4,19,18.8,18.8,16.4,15.6,14
1964,14.6,17.2,19,20.9,20,19.4,19.1,19.4,19.2,16.4,15.9,14.5
1965,14.8,15.8,18.4,20,20.6,19.9,19,18.2,19.2,16.7,16.1,15.1
1966,14.4,15.8,17.5,19.8,20.5,19.9,19.1,19.1,18.8,17.1,14.8,13.9
1967,14.1,15.8,19,19.8,20.3,20,19.1,18.6,18.1,16.9,16,15.3
1968,15,15.2,17.1,19.5,20.1,19.6,18.8,18.8,19,17.8,16.3,14.8
1969,15.1,18,18.1,20.8,21.1,21.2,19.8,18.4,18.6,18.2,16,15.2
1970,14.4,15.6,18.5,21.6,19.5,19.7,18.8,18.9,18.6,18.4,15.1,14.9
1971,16.1,15.8,18.7,19.3,20.6,19.7,18.2,18.5,18.6,18.3,16.1,15.1
1972,15.2,15.9,19.3,20.9,20.7,19.6,18.5,18.3,19.1,18.4,17.6,15.2
1973,15.4,16.9,20.1,20.7,20.9,20.1,18.8,18.7,18.8,17.8,16.9,13.9
1974,15.7,15.2,18.6,19.6,20.3,19.3,18.2,18.7,18.7,16.1,15.7,15.7
1975,13.2,17.2,19.9,21.3,20.2,19.8,18.8,19.6,18.2,18.5,16.1,14.7
1976,14.6,15.6,19.1,19.8,19.9,19.7,18.5,18.9,19.3,18.2,16.5,15
1977,14.2,16,18.7,18.7,20.4,19.5,18.7,20,19,18.5,16.5,14.9
1978,14.9,15.4,17.6,21.1,20.6,19.4,19.1,19.7,18.3,17.3,17.5,15.9
1979,13.8,15.8,18.7,20.6,20,19.6,18.9,19,17.6,18.9,15.9,14.5
1980,15.1,15.7,19,19.6,21,20.1,19.6,18.4,18.4,18.4,15.8,13.8
1981,13.3,16,18.6,20.1,20.7,19.4,18.7,19.8,18.5,18.8,16.1,15.3
1982,15.7,16.7,19.3,21.3,20.3,21.4,19.4,19.9,19.6,18.2,16.7,15.1
1983,14,15,18.4,19.3,22,21.4,19.7,20.1,19.3,18.2,17.5,15.5
1984,14.3,16.2,18.7,21.9,19,19.3,18.1,18.5,17.4,18.8,16.1,15.1
1985,14.3,15.9,18.9,19,20.3,19.6,18.5,19.2,18.8,18.3,16.8,15
1986,14,17,17.5,20,20,19.4,18.8,19.3,18.8,18.5,17.5,15.1
1987,14.4,17.1,18.1,18.8,20.2,20.3,19,20.2,19.5,17.8,17,15.7
1988,14.6,16.6,18.2,20.8,20.6,19.5,19.4,20.1,19.3,18,17.8,14.8
1989,16.4,16.1,17.7,19.3,20.6,20.3,19.5,19.4,18,17.8,17.6,14.2
1990,15.4,16.9,18.4,19.6,20.9,19.9,19.2,19.6,19.1,18.5,17.3,15.4
1991,15.9,16.4,20.1,20.6,20.9,20.3,19.8,19.5,18.2,17.7,15.9,15.1
1992,14.9,14.7,19.7,19.6,19.6,20.2,19.2,19.1,18.7,18,16,15.6
1993,15.3,17.3,18.8,20.2,19.9,19.8,18.6,19.4,19,17.8,15.7,15.1
1994,14.9,16.8,19,19.9,20.8,20.1,19.4,18.2,18.5,18.2,17.3,15.9
1995,15.8,17.5,19.3,20.7,21.4,20.6,19.1,19.7,19,18.3,17,15.7
1996,14.3,16.5,18.5,19.6,21.2,19.4,19.2,19.5,19.7,18.7,16.4,14.8
1997,14.6,17.1,19.5,20.1,20.1,20.5,19.4,20.5,18.9,18.7,17.8,14.5
1998,15.6,17.6,19.1,21.4,20.3,21.7,19.6,20.6,19,18.4,18.2,15.2
1999,15.5,17.2,19.3,22,21.2,20.7,18.7,20,18.2,17.2,15.3,13.9
2000,15.1,16.9,19.8,20.4,20.3,19.5,19.2,19.3,18.6,18.5,16.9,14.4
2001,15,17.3,19,20.3,19.8,19.8,19.3,18.8,18.5,18.1,16.2,14.9
2002,15.3,16,18.9,21.2,20.8,20.6,19.1,19.2,18.8,18.8,16.5,14.5
2003,15.3,16.1,19.6,20.8,21.9,20.1,19.4,20.4,19.8,18.1,16.6,13.7
2004,14.8,16.4,20.2,20.5,20.2,19.9,19.3,20.3,18.9,19.6,17.2,14.8
2005,15.8,17.3,18.9,22.4,20.7,20.9,19.9,18.8,19.1,18.6,17.2,14.8
2006,15.5,17,19.8,21.5,20.2,20,19,20,19.1,19.4,16.3,14.8
2007,15.9,16.4,19.4,21.1,20.4,20.6,19.8,19.8,19,17.2,16.3,15.9
2008,15.4,18.1,19,20.6,21.4,19.4,19.2,20.2,18.9,17.6,16,14.6
2009,15.7,17.8,19.8,21.2,20.6,21.2,20.3,20.7,19.2,19.8,16.5,14.8
