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