1901,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1902,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1903,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1904,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1905,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1906,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1907,19,19.1,19.3,20.1,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1908,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1909,19,19.1,19.4,20.2,20.7,20.5,20.1,20.3,20.5,20.4,20.4,20.1
1910,18.9,19,19.3,20.1,20.6,20.3,20,20.2,20.3,20.3,20.2,19.9
1911,18.8,19,19.3,20.1,20.6,20.4,19.9,20.2,20.4,20.3,20.3,20
1912,19,19.1,19.4,20.2,20.6,20.4,20,20.2,20.5,20.3,20.3,20
1913,18.9,19.1,19.2,20.1,20.5,20.4,19.9,20.2,20.4,20.2,20.4,20
1914,19,19,19.3,20.1,20.6,20.5,20,20.2,20.4,20.4,20.3,20
1915,19,19.1,19.4,20.1,21.1,20.8,20.4,20.7,20.7,20.8,20.6,20.3
1916,19.1,19.1,19.4,20.5,21,20.7,20.3,20.3,20.7,20.4,20.4,20
1917,18.7,18.8,18.7,19.9,21,21.2,20.4,20,20.5,20.5,20.7,20.3
1918,18.8,18.9,19.1,19.9,21,20.9,20,20.6,21.2,20.4,20.3,19.7
1919,19,19.1,19.3,20.1,20.7,20.5,20,20.3,20.4,20.3,20.3,20.1
1920,19,19.1,19.4,20.2,20.7,20.4,20,20.2,20.4,20.3,20.4,20.1
1921,19.3,19.3,19.5,19.5,21.1,20,19.3,20.2,20.5,19.8,20.2,19.9
1922,18.8,18.7,18.8,19.7,20,19.9,19.9,19.9,20.3,20.5,20.1,19
1923,18.1,17.9,17.7,19.5,20.5,19.8,19.8,20.2,20.5,20.2,20.3,19.4
1924,18.3,18.6,19.2,20.4,21.1,20.2,19.5,19.6,19.6,19.5,19.7,19.3
1925,17.6,18.3,18.7,19.7,20.5,20.4,20.1,19.7,20,20.5,20,19.9
1926,18.6,19,19.3,20.1,21.2,21.9,19.8,20.1,19.8,20,20.1,19.3
1927,18.2,17.9,18.8,19,19.8,19.8,19.4,19.6,20.1,19.9,20.3,20
1928,18.5,18.4,18.6,19.4,20.1,19.9,19.5,20,20.3,20.1,20.2,19.3
1929,17.8,18.2,18.4,19.4,19.5,19.9,19.7,20.5,20.2,20.3,19.7,19.2
1930,19,19.1,19.4,20.2,20.7,20.4,20.1,20.3,20.5,20.4,20.4,20.1
1931,19.1,19.2,19.6,20.4,20.8,20.6,20.1,20.3,20.5,20.4,20.4,20.1
1932,19,19.1,19.3,20.4,20.6,20.4,20,20.3,20.5,20.3,20.4,20.1
1933,18.5,18,18.6,20,20.5,20,19.4,19.6,19.9,19.7,19.5,19.2
1934,17.7,17.6,18,19.3,20.4,20.9,19.7,20.4,19.9,19.7,20.4,19.7
1935,18.8,18.6,17.9,19.7,20.2,20.2,19.7,19.6,20.3,19.9,20.3,19.4
1936,18.3,18.4,19.1,19.5,20.5,20.2,19.9,20,20.1,19.8,20.2,19.8
1937,18.7,18.6,19,19.6,20.2,20.3,19.6,19.9,20.4,20.3,20.3,19.8
1938,18.3,18.5,18.2,18.9,19.1,19.9,19.7,19.7,20.1,20.3,19.8,19.5
1939,18,17.6,18,18.6,20.3,20,20,20.6,20.7,20,20.7,20.3
1940,19.2,19.1,19.2,20.4,21.1,20.7,21.1,20.1,22,21.2,20.1,20.2
1941,19,19.3,20,20.9,21.3,20.6,20.5,20.5,20.6,20.6,20.6,20
1942,19.4,19.9,19.6,20.5,20.8,20.9,20.1,20.6,20.8,21.1,20.9,20.4
1943,19.3,19.2,18.8,20.1,20.3,20.6,20,20,20.5,20.6,20.4,20.3
1944,19,18.7,19,20,20.7,20.6,20.5,20.9,20.9,21,20.8,20.2
1945,18.8,19,19.1,19.8,21,20.8,20.3,20.6,20.6,20.3,20.4,20.2
1946,18.9,18.4,18.7,19.7,20.2,20.4,20.1,20.1,20.5,20.5,20.6,20.3
1947,18.5,19.2,19.5,20.1,20.7,21,20.3,20.4,20.8,20.7,20.6,20.3
1948,19.1,19,19.1,19.8,20.9,20.4,20,20,20.4,20.7,20.5,20.1
1949,18.4,18.4,19.1,19.7,20.6,20.2,19.9,20.4,20.6,20.3,20.3,20
1950,18.3,18.7,18.6,19.9,20,20,20,20.3,20.6,20.3,20.7,19.8
1951,18.6,19,19,19.6,20.3,20.3,19.9,20.5,20.6,20.2,20.9,20.5
1952,19.2,19,19.9,21.1,21.3,20.3,19.9,20.2,20.3,20.4,20.2,20.2
1953,19,18.7,18.4,19.4,19.9,20.7,20,20.5,20.6,20.3,20.3,19.3
1954,17.6,18.3,18.7,18.8,19.9,20,19.8,19.6,20.1,19.6,20,20.3
1955,18.7,18.6,17.8,18.9,20.9,20.4,20.2,20.5,20.3,21,20.4,19.8
1956,19.1,18.6,18.7,19.5,19.6,19.9,19.5,20,20.2,19.8,20.4,19.9
1957,18.3,18.8,19.1,20.1,19.9,20,19.4,20.7,21,21.1,20.7,20.5
1958,19.8,19.6,20.4,20.4,21.1,21.2,20.3,20.8,21.3,20.7,21.1,20.7
1959,19.1,18.5,19.4,20.4,21.4,20,19.2,19.9,20.4,20.2,20.1,20.3
1960,19.1,19.2,19.4,20.2,20.8,20.4,20.1,20.4,21,20.2,20.5,20.6
1961,18.9,18.7,19.6,20.7,20.7,19.9,19.9,20.1,20,20.2,20.5,19.8
1962,18.9,18.7,20.2,19.9,20.8,19.9,19.2,19.6,19.7,20,20.5,20.2
1963,18.9,19.1,19.1,20.2,20.4,20.5,20.5,20.6,20.9,20.6,20.5,19.7
1964,18.8,19.3,19.7,20.2,20.3,20.4,20.1,20,20.9,20.2,19.9,19.3
1965,18.9,18.3,19.2,19.9,19.9,20,20.1,20,20.7,20.4,21.1,20.9
1966,19.7,19.7,19.8,20.7,21.4,20.9,20.7,20.6,20.7,21,21.2,20.4
1967,18.8,19.1,18.7,19.9,19.8,20.3,19.9,19.9,20.8,20.4,20.6,19.8
1968,18.6,18.7,19.2,19.9,20.5,20.2,19.6,20,20.5,20.3,20.1,19.9
1969,19.4,19.6,20.2,21.4,21.6,21.2,21.2,21.1,21.4,21.4,21.7,21.5
1970,19.9,19.6,19.6,19.6,20.5,20.7,20.1,20,20.1,20.7,20.3,20.1
1971,19,18.9,19.4,19.7,21,19.9,19.6,19.7,20.1,19.9,20,19.6
1972,18.7,18.9,19.2,19.4,20.2,20.4,20.1,19.9,20,20.9,19.8,20.2
1973,19.7,19.3,19.6,20.1,20.2,19.4,20.6,19.5,19.7,19.6,19.6,18.6
1974,18,18.6,18.5,18.8,19.9,19.5,19,19.7,19.8,19.4,20.1,19.1
1975,17.9,17.9,18.5,19.1,20.2,19.4,18.9,19.8,20,19.4,19.8,19.5
1976,17.9,18.3,18,19.1,19.5,19.5,19.6,20,20.8,21.2,20.8,20.3
1977,19.1,19.2,19.1,20.2,21.1,20.3,20,20.5,20.2,20,20.5,19.5
1978,18.6,19.5,19.7,21.3,20.4,20.1,19.8,19.7,20.2,20.3,20.6,19.8
1979,19.1,19.5,19.6,20,20.4,21.3,20.6,21,20.7,20.6,21,20.4
1980,19.5,19.4,19.7,20.4,20.9,20.4,20.5,21,21.3,20.5,20.5,20.4
1981,19.6,19.9,20.2,20.8,21.4,21.1,20.5,20.3,20.5,20.6,21.3,20.7
1982,19.1,19.4,19,20,21.3,20.6,19.6,20.1,20.4,19.7,18.9,19.9
1983,19,19.1,20,20,20.3,20.2,20.1,20.3,20.3,20.7,20.8,19.7
1984,18.8,18.5,18.9,20.4,19.8,20.5,19.8,20,18.3,19.1,19.5,19.6
1985,18.2,16.6,19.5,20.2,21.1,20.8,20.3,20.5,20.8,20.3,20.7,20.1
1986,19.4,19.1,19.5,20.9,22.2,21.1,20.7,21.9,21.4,21.1,21,20.4
1987,19.5,20.2,21.4,22.7,23,22.8,21.8,22.1,21.8,21.7,21.1,21.2
1988,19.9,20.1,19.9,21.5,21.9,21.9,21.1,21.3,22.4,21.8,20.8,20.5
1989,20,19.4,20,19.6,20.3,20.2,20.3,21.3,21,19.9,20.6,20.8
1990,19.8,19.7,19.7,20.4,21,21.4,21.1,20.7,21.5,21.7,20.8,20.1
1991,18.8,19.2,20.1,20.7,22.1,21.9,21.4,21.5,21,20.2,20.6,19.6
1992,18.6,18.6,18.6,19.9,20.8,20.1,19.7,19.6,19.8,20,20.5,19
1993,18.1,18.4,18.3,19.5,21,20.3,19.3,20.5,20.6,21.4,22.3,22.1
1994,19.8,19.6,20.7,21.2,20.7,20.3,20.3,20,20.2,20.7,21.5,20.4
1995,19.4,19.2,20.4,21.5,21.2,21,20.3,20.8,21.4,21.3,21.1,21.2
1996,20,20.7,20.2,20.6,21,20.6,19.6,19.7,20.6,20.7,20.2,20.1
1997,18.9,19,18.6,20.6,21,21.3,20.9,20.8,21.9,21.4,20.9,20.1
1998,20.5,22.1,22.1,22.8,22.8,21.5,21.2,21.2,21.2,20.7,19.7,19.4
1999,19.5,19.9,19.8,20.9,21.6,21.3,21.5,20.9,22.2,20.9,21.7,21.4
2000,19.7,19.3,19.5,20,20.9,21.1,21.1,20.8,20.7,20.4,20.9,20.1
2001,19.3,19.7,19.9,20.6,20.7,19.5,19.1,19.9,19.2,19.5,20.1,20.5
2002,19.2,17.7,18.1,18,18,18.2,18.8,19.2,19.4,20.5,18.7,18.4
2003,20.1,18.5,21.7,22.3,22.6,21.5,19.8,21.1,21.1,21.4,21.8,21.2
2004,19.7,19.4,19.4,20.4,20.4,21.3,20.7,18.5,20.1,20.6,20.8,20.2
2005,20.1,20.3,19.5,19.2,18.7,19.2,17.9,20.8,19.7,18.8,20.7,19.3
2006,17.8,18,19.8,21.2,21.2,20.9,20.9,21.1,21.2,20.5,20.7,20.8
2007,20,20.1,19.8,19.2,21.8,18.2,18.9,18.9,19.6,19,20.5,20
2008,19.5,19.7,19.4,20.1,20.4,20.8,20.2,19.6,20.5,20.6,21.7,20.3
2009,19.5,20.9,20,20.4,21.2,20.1,19.5,20.1,20.9,21.2,20.3,18.8
