1901,15.2,15.1,15.9,16.7,18.7,21,20.1,21,21.6,21.1,17.1,15.9
1902,14.2,14.7,16.2,17.1,19.5,21,20.8,21.1,21.8,21.3,19.4,17.4
1903,15.8,16.9,16.9,16.9,18.4,20.6,21,21,20.8,20.1,18,15.6
1904,15.1,15.7,16.5,17.4,19.1,20.8,20.4,20.4,20.9,20.6,18,16.7
1905,13.1,15.8,16.8,17.3,20.7,21.9,20.9,21.3,21.6,21.5,19.3,17.3
1906,15.7,15.5,16.2,16.8,19.2,20.9,20.9,20.6,21.2,20.7,18.6,15.4
1907,15.6,15,16.3,16.7,19.8,20.6,20.9,20.6,21.2,20.4,19,17.5
1908,14.8,15,16.6,18.5,19.6,20.3,20.6,21,20.9,20.1,18.4,17.4
1909,15.3,15.8,16.7,17.1,19.4,21.3,20.7,20.4,20.6,20.5,17.9,16.1
1910,14.1,14.9,15.1,16.2,18.8,20.4,20.6,20.5,20.7,20.1,17,14.7
1911,15.3,15,15.9,17.2,18.4,20.6,20.2,20.7,21.3,21.5,20.2,18.2
1912,16.7,15,18.3,19.3,20.5,21.1,20.8,21.3,21.7,21.2,18.8,18.5
1913,17.1,16.6,18.3,16.9,18.5,19.8,20.6,20.5,21,20.7,18.2,16.7
1914,15.2,15.7,15.1,17.7,19.4,21.1,20.8,21.4,21.3,20.8,18.6,17.9
1915,16.1,14.9,14.6,16.1,20.5,21.6,21.1,21.8,21.8,21.8,19.2,16.6
1916,16.8,15.2,15.5,16.8,20,21.3,20.3,21,21.3,21,18.6,17.2
1917,16,14.8,17.3,17,19.5,20.8,20.9,21.1,21.6,21.1,17.2,15.3
1918,14.2,16.2,16.9,18,19.2,21.1,20.6,21.5,21.5,21.6,19.1,17.5
1919,15.2,15.7,17.3,17.1,19.7,20.9,20.4,21.4,21.5,21.7,19.1,17.1
1920,15.7,14.5,16.2,18.7,20.1,21.2,21.1,20.9,21.3,20.5,19.1,17.4
1921,15.4,16,17.2,18.2,19,21.3,20.5,21.1,21.9,21.1,19.5,17.7
1922,15.6,15.5,17.5,18.2,19.2,20.9,20,20.8,21.2,21.2,19.2,17.7
1923,15.5,16,17.5,18,19.5,20.9,20.4,20.8,21.9,20.9,18.3,17.4
1924,16.6,15,16.1,18.9,20.1,20.7,21.1,21.5,21.4,21.2,18.9,18.1
1925,17.2,16.3,17,17.6,19.5,21.3,20.7,21.5,22,21.7,19.8,17.7
1926,15.6,15.5,16.7,18.9,19.4,20.9,20.7,20.9,21.8,21,19.1,17.5
1927,14.1,16,16.1,17.6,19.7,21.3,21,20.9,20.8,20.3,18.2,16.2
1928,14.1,15.7,16.2,17.3,18.4,20.6,20.8,20.6,21.2,20.4,18.3,15.8
1929,16.2,16.5,17.4,18,19.8,20.4,19.6,20.4,21,19.9,19.2,16.7
1930,16.2,15.4,16.3,17.4,19.6,20.1,20.5,21,21.5,20.4,17.6,15.9
1931,14.5,14.4,14.9,16.5,19.1,20.6,20.9,21.2,21.4,20.7,18.7,18.2
1932,16.6,16.9,16.1,16.8,19.1,20.6,21,20.7,21.8,20.5,17.6,17.1
1933,15.8,16.5,17.1,18.2,20.3,20.6,21.3,21,21.3,21.1,18.5,17.3
1934,16.1,15.4,16.1,17.4,19.2,20.7,20.6,20.8,21.3,21.2,18.6,17
1935,15.6,15.1,16.9,18.2,20.6,21.4,20.7,20.7,21.4,20.8,18.1,15.7
1936,16.1,15.7,15.8,17.6,19.2,20.3,21,20.7,21.3,21.7,19,18
1937,17.6,17,16.8,17.6,19.2,20.8,20.5,20.9,21.4,20.7,18.4,16.3
1938,15.5,16.1,16.7,17.5,19.4,20.6,20.5,20.5,21.1,20.6,19,16.4
1939,15.8,16.9,16.7,16.9,18.8,20.4,21,20.8,21,20.8,18.1,16
1940,13.6,14.5,15.8,17,18.7,21.1,21.4,21.2,20.8,20.1,18.2,18
1941,15.6,14.3,15.2,17.4,19.1,21.1,21.4,21.8,21.8,21.6,19.2,18.7
1942,15.8,14.3,16.8,17,19.6,21.2,21.6,21.3,21.7,20.6,19.3,17.9
1943,16.5,15,16.3,16.9,19.6,21,21.5,20.8,21.7,20.4,18.8,16.4
1944,15.1,16.3,17.8,18.3,19.1,21.2,21.5,21.6,21.7,20.2,17.8,16
1945,14.9,16.1,17.5,18.6,19.4,21.6,20.7,20.7,20.9,20.5,17.9,16.5
1946,16.2,16.2,17.3,17.2,20.1,20.9,20.8,21,21.4,20.7,19.6,17.7
1947,16.9,14.7,16.2,18.8,19.6,20.9,20.4,20.6,21.2,20.6,19.8,17.3
1948,16,16.6,18.3,18.1,19.2,20.8,20.8,20.9,21.4,20.9,19.9,17.9
1949,16.3,16.5,17,18,19.2,20.6,20.5,20.6,21.4,21.1,18,17.2
1950,16.5,15.5,17.4,16.2,19,20.5,21.1,20.4,20.7,20.6,17.4,15.4
1951,13.2,13.7,15.1,16.6,18.3,20.2,20.8,20.9,21.3,20.3,18.2,17.4
1952,14.4,14.6,16.9,16.5,19.7,20.9,20.7,20.5,20.7,19.9,17.9,15
1953,14.5,16,16.1,17.6,19.4,20.4,20.7,20.5,20.6,19.3,18,17.1
1954,15.3,14,15.7,17.3,19.2,20.6,20.7,20.6,20.3,19.6,17.3,15.5
1955,14.2,15.8,16.2,16.2,18.5,20.3,20.5,21.1,21.1,19.8,18.1,16.9
1956,13.3,15.8,15.7,16.9,19.6,20.5,21.3,20.3,20.6,19.8,17.4,17.4
1957,15.5,16,15.5,18.2,19.6,20.4,21.2,20.4,20.8,19.6,18.4,16.5
1958,15.2,13.1,16.7,17.9,20.3,21,21.6,20.8,20.9,20,19.6,17.1
1959,15.5,17.2,16.9,17.7,19.1,20.6,20.5,20.7,20.5,21,18.4,16.8
1960,15.4,15.1,15.6,17.5,19.3,20.2,20.7,21.1,21.1,20.3,19.1,16.6
1961,15.3,16.9,17.5,17.9,19,20.7,20.9,21.5,21.1,20,17.6,17.3
1962,15.7,15.4,16,17.9,17.9,20.5,21.4,21.3,20.8,20.2,16.8,15.3
1963,15.1,14.8,17,17.2,18.6,21,20.8,21.1,21.8,19.7,18.3,15.8
1964,16.3,15.8,17.8,18.4,19.5,21.1,20.9,20.8,21,20.2,18.6,18
1965,15.1,16.4,16.2,16.7,18.7,20.6,21.3,21,21.3,20.6,18.2,16.9
1966,15.5,15.8,16.5,18,19.6,21.1,20.6,21.2,21.5,20.8,17.8,16
1967,16.1,15.8,16.5,17,18.8,20.9,22.2,21,21,20.3,18.3,17.4
1968,15.9,14,15.5,16.1,19.4,21,21.1,21.3,20.9,20.7,18.2,16
1969,15.9,14.5,16.2,18.9,20.8,22.2,21.7,21.5,21,21.2,17.9,15.5
1970,14.7,14.9,16.6,17.8,19.3,20.9,21,21.1,21,20.5,16.8,16.5
1971,14.4,16.2,15.2,16.3,19.4,20.5,20.9,20.5,20.8,20.3,18.9,18.1
1972,17.1,16,16.5,17.6,19.4,21,21.2,21.2,20.6,19.8,19.5,18.5
1973,16.2,14.9,17.9,18.1,19.5,21.1,21.1,21.3,21.4,20.9,19.4,16.3
1974,18.1,15.3,16.4,17.4,19.9,20.7,20.4,20.7,21.3,20.3,18.1,17.1
1975,16.4,17.1,16.9,17.6,19.8,20.9,20.7,21.3,21.2,20.7,18.7,16.7
1976,14.7,16,17.4,16.8,19.8,20.9,21.5,21.1,21.3,20.4,18.3,17.8
1977,13.2,16,17.8,17.7,19.6,21.9,21.9,21.3,21.8,20.3,19,17.3
1978,16,13.5,16.1,17.8,20,21.5,21.5,21.9,21.5,21.3,19.8,18.8
1979,16.9,15.7,16.8,18,20,21.5,22.4,21.3,21.5,21.2,19.7,18.1
1980,16.1,14.7,17.6,18.7,19.9,21.8,21.9,21.6,21.3,21.2,19.7,16.3
1981,12.4,16.3,15.6,18.1,20.2,21.4,21.8,21.5,21.4,21.3,18.2,17.5
1982,16.4,16.8,18.2,18.6,19.6,21.4,21.9,21.4,22,20.7,19,17.8
1983,16.6,16.5,16.7,17.2,19.7,21,21.7,21.7,21.4,21.4,19.5,18.3
1984,16.5,16.8,17.3,18.8,20.1,20.8,21.1,21.3,20.5,20.1,18.3,17.5
1985,14.4,16,16.6,17.4,20,21.2,21,21.2,21.4,21.4,19.8,17.5
1986,15.8,16,16.9,17,19.4,21.4,22,21.5,21.9,21,20.1,18.5
1987,16,16.7,17.5,16.5,19.6,21.6,22.2,22,22,21.1,19.9,18.3
1988,16.9,15.8,16.8,17.6,19.9,21.9,21.8,21.4,21.3,21.3,19.5,18
1989,16.8,16.5,17.2,18.5,20.6,21.4,21.5,21.7,21.9,20.7,19.6,17.2
1990,17.5,17.8,18,18.5,20.2,21.5,21.6,21.5,21.5,21.3,19.2,18.4
1991,18.6,15.9,17.4,18.9,20.4,21.7,22.2,21.8,22,21.3,19.2,18.5
1992,16.8,17.3,17.1,18.2,19.1,22.2,22.1,21.6,21.6,20.7,20.2,17.6
1993,17.5,15.8,16.8,17.8,19.9,22.1,22.1,21.7,21.5,21.5,20.1,17.7
1994,17.2,17.5,17.9,19.2,21.1,22.4,21.6,21.8,21.4,21.1,19.9,18.4
1995,15.9,15.5,16.8,18.7,21.2,21.6,21.8,21.5,22,21.5,19.2,16.7
1996,15.6,15,15.4,17.4,19.5,20.7,21.5,21.1,21.5,20.5,18.9,17.1
1997,16.4,18.2,18.1,18.3,20.3,21.3,21.3,21.9,21.3,20.5,19.9,17.7
1998,17.2,16.4,16.6,18.2,20,22.5,22.5,22.1,22.6,21.9,20.1,19
1999,17.2,16.2,16.3,18.9,19.6,21.6,21.7,21.3,21.3,21.4,19.2,17.9
2000,16.3,16.2,17.6,17.7,20.3,22,21.9,21.3,22.1,20.9,18.8,17.3
2001,14,18.1,17.2,18.6,19.5,21.7,21.5,22.1,21.1,21.4,18.9,19
2002,17,16.8,18.3,19,20.6,21.5,21.8,21.8,22.3,22.2,19.3,17.8
2003,13.8,17,18.9,17.7,20.8,21.4,22.1,22.3,22.6,22.5,20.6,16.7
2004,15.8,16.5,17.4,17.5,19.9,22.1,21.9,21.8,21.9,21.5,20,17.3
2005,15.8,14.8,17.1,17.4,19.7,21.3,21.9,22,22.1,21.7,19.6,17.4
2006,16,14.5,17.1,18.2,19.9,21.4,22.1,22.3,22.1,21.8,18.4,19.1
2007,17.9,16.6,17.5,18.1,19.6,21.6,22.6,22.2,22.1,22.2,20,18.6
2008,16.1,17,17.6,17.8,20.3,22.1,21.9,21.6,21.7,20.9,17.8,17
2009,15.4,14.6,16.4,17.7,20.1,21.3,21.4,21.9,22,21.8,19.2,18.9
