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