1901,15.8,16.1,17.4,18.7,20.4,21.2,20.2,20.4,20.5,19.8,17.3,16.8
1902,15.1,15.8,18.2,18.8,20.7,21,20.7,19.5,21.5,20.1,18.5,17.2
1903,16.3,17.2,17.8,18.5,20,21.8,20.8,20.6,21.3,19.5,17.2,16
1904,15.9,16.2,17.4,19,20.5,21.1,20.2,20.2,20.5,19.5,17.6,17.1
1905,15.5,16.2,17.5,18.9,20.9,21.4,20.3,20.5,20.6,19.9,17.9,17.2
1906,15,15.1,16.9,18.3,20.4,20.8,20.6,20.3,21,19.7,18,16.7
1907,16.3,15.8,17.4,18.9,20.4,21,19.8,19.7,20.2,19.6,18.1,16.8
1908,15.2,15.4,17.5,19.7,21,21.2,20.3,20.2,20.4,19,17.1,17
1909,15.6,15.9,18,19.2,21.3,20.9,20.7,20.5,20.3,19.4,17.1,16.9
1910,14.7,15.2,15.6,17.6,19.9,20.6,20.1,20.3,20.3,19.3,16.8,15.5
1911,15.7,16,17.5,19.3,18.9,20.1,20.2,20.2,20.5,20.1,18.4,17.3
1912,16,14.5,17.9,20.1,20.6,20.8,20.2,20.3,20.3,19.8,16.9,17.4
1913,16.6,17.2,17.6,17.1,19,19.8,20,20.2,20,19.2,17.1,16.7
1914,15.3,16,15.7,18.4,19.5,20.2,20.6,20.7,20.2,19.3,17.3,17.5
1915,15.6,15.3,15.4,17.2,21,21.6,20.9,20.7,20.6,19.6,17.8,17.2
1916,17,15.1,16.5,18,20,20.5,20.9,20,20.1,19.1,17,17.2
1917,16.1,15.7,17.5,18.5,20.5,20.7,20.4,20.2,20.3,19.4,17.3,16
1918,15.4,16.6,17.6,19,20.2,20.6,20.7,20.4,20.6,20.4,17.9,17
1919,15.1,16.2,17.6,18.2,19.9,20.4,20.2,20.3,20.4,19.9,18.7,17.2
1920,16.3,15.6,17.4,20,20.6,20.3,20.1,20.1,20.4,19.4,17.3,16.8
1921,15.5,15.8,17.6,18.7,18.8,20.5,20.2,20.2,20.4,19.3,17.9,17.2
1922,16.3,16.4,17.9,19.7,20.4,20.9,20.4,20.7,20.7,19.6,17.9,17.3
1923,16,16.1,17.7,19.2,20.7,21,20.5,20.5,20.4,19.3,17.1,17.4
1924,16,14.5,17.2,19.1,20.8,21.5,20.7,20.5,20.5,19.3,16.9,17.5
1925,16.6,15.9,16.9,17.9,19.4,20.4,20.3,20.5,20.4,20.4,18,17.1
1926,15.7,15.7,17.6,18.8,19.6,21,21,20.5,21,20.1,17.1,17.7
1927,15.4,17.1,17.5,19.2,21.2,21.7,20.3,20.9,20.9,19.7,17.7,17.2
1928,15.2,16.6,17.6,18.5,19.7,22,20.8,20.9,21.2,20.2,17.7,16.9
1929,16.6,17.4,18.4,20.1,20.5,20.6,20,20.3,20.4,19.8,18.5,16.5
1930,16.3,16,17.2,18,20.2,20.5,20,20.6,20.6,19.9,17.3,16.2
1931,15.9,16.1,17,18.6,20.2,21,20.1,20.8,21,20.1,17.2,18.1
1932,17,17,17.4,18.7,20.6,20.8,20.2,20.4,21.1,19.8,16.6,17.5
1933,16.7,17.1,17.4,19.9,20.6,20.8,20.2,20,20.1,19.5,16.6,16.7
1934,16.4,15.8,16.4,19.2,20,20.6,20.1,20.7,20.7,19.7,17.8,17.4
1935,15.3,15.1,17.4,19.5,20.7,21.1,20.3,20.2,20.8,19.6,17.4,16.8
1936,17.2,17.1,18.2,19.2,20.3,21,20.3,20.7,20.7,20.3,18.1,17.1
1937,17.7,17.1,18,19.4,20.7,21.1,20.4,20.4,20.1,19.2,16.6,17
1938,15.7,15.7,17.6,17.7,20.1,20.5,20,19.5,20.2,18.7,17,16.3
1939,16.5,16.4,16.9,18.9,20.4,20.5,20.2,20.3,19.9,19.6,16.4,17.6
1940,15,14.8,17.3,18.1,20,20.5,20.6,20.8,20.6,19,17.5,17.1
1941,15.6,15.3,17.2,19.1,19.8,21.1,20.1,20.4,20.9,20,16.8,17.3
1942,14.5,16,16.9,18.2,21,20.7,19.8,19.7,19.8,19,17,17.2
1943,15.7,13.8,16.1,17.3,19.3,20,19.6,19.6,20.2,18.4,16.5,16.2
1944,14.7,15.6,17.6,18.3,19,20.6,20.6,20.7,20,18.8,15.6,16.6
1945,14.4,16.3,17.4,18.5,19.2,19.6,20.1,19.6,19.8,19,16.9,15.6
1946,16.5,15.6,16.5,19.3,20.8,21.3,18.9,19.3,19.8,19,19,17.7
1947,18.9,16.5,16.9,19.6,19.9,20.3,20.4,20,20.5,20.1,19.5,17.4
1948,16.2,15.2,17.1,18.4,20.7,20.8,20.3,20.7,20.1,19.7,18.3,16.1
1949,15.8,13.6,17.5,19.4,19.5,20,20,20.1,20.2,19.8,14.8,15.1
1950,15.1,14.9,16.3,17.4,19.3,20.3,20.1,19.6,19.7,19.7,17.2,15.1
1951,15.3,15,16.9,19.8,19.5,21.7,21.2,21,21.4,20.2,17.7,17.3
1952,16.1,15.5,18.7,18.8,19.5,22,20.4,20,21.3,18.9,18.2,16.7
1953,15.2,17,18.3,20.6,21.3,22.1,21.1,21.2,21.5,19.8,17.6,17.6
1954,16.3,14.9,18.4,19.3,21.1,21.2,20.7,20.9,20.8,19.5,16.4,15.1
1955,15.6,15.8,17.2,18.6,19.9,20.7,20.7,20.9,21.3,19.5,18.4,17.3
1956,14.2,17.1,17.1,18.9,20.1,20.5,20.1,20.5,20.3,19.7,16.4,17
1957,16.2,16.7,17.8,19.9,21.3,21.8,21,21,21.1,19.3,18.4,16.7
1958,15.6,15.5,18.7,20.1,20.6,21,21,21.3,21.7,20.7,20.3,19.1
1959,17.2,18,18.5,19.6,20.7,21.4,20.8,20.9,21.1,20.8,17.9,16.7
1960,16.1,16,17.2,19.3,21.3,19.9,20.6,20.6,21.2,21.1,18.1,16.1
1961,16.2,16.4,18.6,19.5,20,20.2,20,20,20.3,18.5,17.3,17.5
1962,15.4,15.6,16.8,19,18.9,20.3,20.1,19.4,19.8,19.5,17.1,16
1963,15.9,16,18.2,17.4,19,21,20.4,20,20.7,18.7,17.7,15.6
1964,15.9,16.6,18.6,19.7,19.9,19.7,19.6,19.9,19.9,18.4,18.2,17.3
1965,15.5,16.4,16.3,16.1,19.7,19.8,19.9,19.9,20.2,19.9,17.3,17
1966,15,15.8,16,18.8,20.6,20.3,20.2,20.6,20.4,19.7,15.6,15
1967,15,15.1,15.8,18.4,19.9,20.3,20,20.3,20.5,19.4,16.9,17.3
1968,16.1,13.9,14.8,17.9,20.7,21.1,20.4,20.6,20,19.4,16.8,17
1969,16.3,16.8,17.3,19.9,21,21.1,21.2,20.3,21.2,20.2,17.6,16.3
1970,15.6,15.5,17.5,20.3,20.1,21.3,20.3,20.9,20.5,19.7,16,16.4
1971,15.9,15.8,16.5,16.8,20.9,20,20.1,19.7,20.8,19.3,17.5,18.6
1972,17.7,15.1,17.1,19,19.5,21.3,20.4,19.9,20.2,19.7,20,17.3
1973,16.8,15.2,20.1,20.6,21.6,21.1,20.4,20.1,20.4,19.9,18.3,15.1
1974,17.6,14.8,18.4,19.1,20.4,21.1,19.8,19.6,20,18.7,17,16.8
1975,16.5,16.1,19.2,19.6,20.1,21.3,19.6,20.7,19.9,19.6,17.8,16.1
1976,15.1,14.5,18.7,17.7,20.1,20.2,20.5,20.1,20.2,19.5,18.1,17.9
1977,15.7,16.6,18.7,19.1,20.1,21,20.3,20.7,20.6,19.9,18,17.8
1978,15.5,15.1,16.6,18.9,20.6,21.1,20.4,20.5,20.1,19.4,18.8,17.9
1979,16.1,16.1,17.5,19.8,20.9,21,20.5,20.3,20.3,20.2,17.7,17.5
1980,16.8,16,18.6,19.2,21.1,21.6,20.7,20.7,20.9,19.7,17.8,15.8
1981,13.9,16.1,17.6,19.2,20.6,21,20.8,20.7,20.1,20,17.1,16.9
1982,16.6,17.4,18.1,19.5,20.7,21.5,20.4,20.2,20.4,19.8,18.5,17.9
1983,16.5,16.7,17,19.8,21.7,22.1,20.9,20.8,21.3,20.3,18.9,18.1
1984,15.6,16.7,17.1,18.3,21.1,21.2,20,20.5,20.4,20,16.9,17.8
1985,15.4,16.9,18.1,19.4,20.5,21.2,20.4,20.6,20.2,20.2,18.4,17.8
1986,15.5,16.5,15.4,17.9,20.6,21.6,20.4,20.6,20.7,19.9,19.2,18.4
1987,14.7,16.1,18,18.4,20.1,22.3,21.2,20.9,21,19.3,17.5,17.8
1988,17,16.9,18,19.5,20.9,21.4,21,21.1,20.9,20,18.7,17.1
1989,18,17.5,16.7,19.6,21.3,21.6,21,20.8,20.8,19.8,19.4,16.4
1990,18.1,17.4,17.7,20.4,21.7,22.2,21.2,20.8,20.7,20,18.9,18.1
1991,17.7,16.5,17.4,20.2,21.3,22.5,21.6,20.7,21.2,20.5,17.9,18.7
1992,17.5,16.4,18.6,20,20.1,22.5,21.3,20.9,20.5,20.1,19.4,19.1
1993,17.1,17.8,18.1,19.4,20.5,23.2,21.6,21,20.9,20.6,18.6,16.7
1994,17.3,18.1,17.6,20.4,21.2,22.1,21.1,21.4,20.8,20.8,18.9,18.4
1995,16.8,15.9,17.5,20.5,21.4,21.8,21.4,22.1,21.2,21.1,18.9,18.7
1996,15.7,15.8,16.8,20.1,21.9,22.1,21.5,21.2,21.8,21.2,18.6,18.1
1997,17,18.2,19,20.9,22.2,22.4,21.6,21.1,21.3,21,20.2,19.5
1998,17.5,17.2,17.6,20.3,21.5,22.5,21.4,21.8,22.3,21,19.3,17.7
1999,16.2,14.9,16.9,19.1,20.7,21.2,20.5,20.5,20.6,20,16.8,16.6
2000,15.3,15.3,17.8,18.7,20.6,21.5,20.5,20.4,21.2,20,18.5,17
2001,15.5,17.7,17,19.8,20.6,22.2,20.7,20.9,21.2,20.5,17.9,18.1
2002,16.6,16.5,18.4,18.7,21,22,21.1,21.2,21.4,20.4,18.4,18
2003,15,17.8,19.3,18.5,21.5,22.6,20.9,20.8,21.1,20.7,19,15.8
2004,16.9,17.2,18.1,19.2,20.7,21.5,20.4,20.7,20.7,20.7,18.1,16.9
2005,15.6,15.5,19.2,19.5,21.2,21.9,21.5,21.2,21,20.1,18.2,18.3
2006,17,16.1,17.8,19.5,21,21.1,21.3,21.3,20.9,21.1,18.1,19
2007,17.8,17,17.8,19.8,21.1,22.2,21.7,21.2,21.1,20.6,18,17.8
2008,16.5,17.6,18,19.1,21.3,21.7,21,21.2,21.3,20,16.6,17.6
2009,16.9,16.1,16.5,20.2,21.1,21.8,21.3,20.7,21.3,21.3,18.6,19.3
