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