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