1901,18.8,20.2,21.7,24.3,23.9,23.6,23.4,23.4,23.2,22.8,21.4,19
1902,18.6,20.5,22.2,24.5,24.2,24.1,23.7,23.7,23.1,22.9,21.8,20.1
1903,19,20,22.7,25.1,24.1,23.4,23.4,23.2,22.7,22.5,20.5,17.2
1904,17.3,19.8,21.4,23.8,23.7,23.5,23.4,23.6,23.4,23,21,18.2
1905,19.9,20.7,21.4,24.6,24,23.7,23.7,23.9,23.5,23.1,21.8,21.3
1906,19.8,21.5,21.9,25.1,24.6,24.2,23.9,24.1,23.8,22.7,20.8,19.4
1907,18.8,20.5,21.3,24.1,23.5,23.4,23.6,23.4,23.4,23.1,21.8,17.9
1908,18.9,20.1,21.2,24.1,23.7,23.5,23.5,23.5,23.4,22.9,20.8,19.1
1909,18.8,20.6,21.6,24.3,23.4,23.8,23.4,23.8,23.6,23.2,21,18.6
1910,19.4,19.9,21.1,24,24,23.6,23.6,23.7,22.9,22.6,21.3,17.9
1911,18.2,19.8,21.4,24.5,24,23.7,23.6,24.1,23.6,23.1,22.5,20.2
1912,19.1,20.6,22.9,24.7,25.4,24.5,23.3,23.1,23.1,22.5,20.2,18.9
1913,18.1,20.5,22,24.9,23.1,23.4,22.8,23.1,23.2,22.5,20.6,18.9
1914,17.7,20.4,21.9,25,25.1,23.6,23.2,23.3,22.9,22.4,21.6,19.7
1915,18.6,21.3,22.1,24.8,24.2,24.1,23.6,23.8,22.9,22.5,20.6,17.3
1916,17.3,19.9,22.2,24.5,23.8,23.2,23.5,23.4,22.7,22.1,19.9,17.9
1917,18.4,20,20.7,24.8,24.1,23.1,23,23,22.6,21.8,20.4,18
1918,17,18.5,20.7,23.5,23.4,23.6,23.9,23.5,23.4,22.8,21.9,19.9
1919,19.1,20.7,22.7,24.8,24.3,23.3,23.2,23.2,23,22.6,20.9,19.3
1920,17.1,20.3,21.9,24.4,24.4,23.7,23.3,23.9,23.2,22.2,21.6,19.4
1921,17.9,19.7,21.8,24,23.5,23.5,22.8,23.2,22.5,22.3,20.2,18.6
1922,18.9,20.6,20.8,24.4,24.1,23.6,22.6,23.3,23.5,22.4,20.5,18.3
1923,17.9,19.2,21,23.4,22.9,22.9,22.5,22.6,22.7,22.2,21.3,19.3
1924,18.8,20.3,21.7,24,24,23.4,22.5,23.3,23.5,22.5,21.7,17.3
1925,18.8,19.4,21.4,23.3,23.9,23.2,23.2,23.4,23.1,22.1,21.1,17.6
1926,18.6,20.5,21.5,25.2,24.9,23.9,23.5,23.1,23.1,22.3,21.1,19.2
1927,18.4,20.4,22.2,23.7,23.3,23.3,23.1,23.1,23.1,22.2,21.4,19.1
1928,20.5,19.9,22.6,24.2,24.2,23.5,23.6,23.7,23,21.5,20.8,20.2
1929,19.9,20.6,21.2,24,25.1,23.8,23.1,23.4,23.1,22.6,20.9,20.1
1930,17.2,20.3,20.9,25.1,24.2,24,23.3,23.6,23.1,22.6,21.8,19.9
1931,19.9,21.2,22.8,25.8,24.7,24.4,23.6,23.7,23,21.4,20.8,19.2
1932,18,19.8,20.7,24.5,24.7,24,23,23.7,22.6,22.3,21.3,18.5
1933,17.4,21.2,21.2,24.7,24.5,24.4,23.2,23.9,23.1,22.3,20.4,19.2
1934,17.3,19.3,20.8,23.5,24.2,23.9,23,23.5,23.4,21.5,21.7,18.7
1935,19.6,21.4,22.8,24.9,23.9,24,23.5,23.5,22.9,23.1,22.2,19.1
1936,18.3,20.7,20.4,25.1,24.1,23.8,23.5,23.2,23.1,21.7,21.3,19.8
1937,19.3,20.7,23.4,24.7,24,23.6,23.3,23.4,22.8,22.3,21.2,19.1
1938,18.7,20.3,20.3,24,23.9,24.1,23.1,22.9,23.1,22.7,21.5,19.9
1939,19,20.4,21.7,24.4,24.1,23.7,23.9,23.7,23.2,23,22.7,17.1
1940,16.6,20.6,21.8,24.1,24.1,24,23.6,23.5,23.6,22.8,21.9,20
1941,21.2,21.9,22.3,24.8,24.5,23.9,23.9,24.1,23.4,23.1,22.2,19.9
1942,18.4,20.5,22.3,24.1,23.8,23.8,23.3,23,22.7,22.6,21.1,19.2
1943,17.6,19.8,21.5,23.6,23.9,23.3,23.3,23.3,23.4,22.9,21.4,18.6
1944,19.1,20.6,21.6,24.4,23.8,23.4,23.4,23.5,23.6,23,21.7,18.1
1945,18.5,20.2,21.3,23.8,23.2,23.2,23.6,23.3,23,22.2,22,19.2
1946,17.4,19.6,21.9,23.8,23.5,23.6,23.1,23.2,23.1,22,21.6,19.3
1947,20.8,20.2,21.8,23.1,23.7,23.2,23.3,23.3,23,22.2,20.5,18.6
1948,18.4,21.1,22,24.1,23.8,23.7,23.3,23.5,23.3,23.1,19.1,19.8
1949,17.9,20,21.5,24.1,24.2,23.5,23.6,23.5,23.5,22.9,21.3,19.9
1950,19.8,20.5,22,23.8,23.9,23.5,23.3,23.6,23.2,23.4,21.9,17.9
1951,18.7,20.4,21.3,24.9,24.1,23.7,23.1,23.9,23.6,23.4,22.6,19.8
1952,19.1,21.4,22.4,24.2,24.8,23.8,23.7,23.5,23.2,22.7,21.4,18
1953,19.2,20.7,22.2,24.1,23.7,23.6,23.1,23.6,23.3,23.1,21.8,19.5
1954,20.8,20,20.8,24.6,23.9,23.9,23.5,23.7,22.9,22.3,20.5,18.4
1955,17,20.3,21.9,23.3,23.8,23.1,23.2,23.1,23,22.5,20.9,17.6
1956,16.8,20.9,21.7,24.4,23.9,22.9,23.1,23,23.2,21.9,20.3,18.2
1957,17.8,19.2,21.2,23.8,23.7,23.1,23,23.2,23.3,22.6,21.3,19.7
1958,19.2,19.9,22.6,24.9,24.6,23.8,23.3,22.8,22.9,22.1,20,17.9
1959,17.7,21.3,20.1,24,23.6,24.1,23.1,23.3,22.8,22.1,21.2,20.5
1960,18.7,19.6,22.7,24.2,23.6,23.6,23.3,23.7,23.1,22.8,22.4,18.7
1961,17.5,20.1,22.2,24,23.6,23.6,23.4,23.6,23,22.4,21.2,19.9
1962,17.6,19.1,21.4,23.9,23.7,23.3,23.6,23.4,23.5,22.6,21,18.4
1963,14.9,18.5,20.5,23.9,23.9,23.1,23.1,23.6,23.6,22.8,22.4,18.7
1964,19.9,19.4,21.1,24.7,23.1,23.3,23.7,23.5,23.1,23.1,20.7,18.3
1965,17,21.3,20.7,23.8,23.7,23.3,23,23.2,22.2,22.8,22,20.5
1966,20.5,21.9,23,24.6,23.4,24,23.6,23.5,22.8,23.2,21.4,21.1
1967,18.5,19.6,21.8,24.4,24.3,24.3,23.2,23.9,23.1,21.8,21.8,17.8
1968,18.9,19.8,21.5,23.9,23.8,23.4,23.8,23.5,23.2,22.1,21.7,20.3
1969,21.1,20.8,22.7,24.8,24.3,23.8,23.4,23.6,23.8,22.8,20.2,17.5
1970,18.8,20.4,22.1,23.6,23.8,24,23.1,22.4,22.7,21.6,20.9,20.2
1971,16.7,18.5,20.2,23.5,24.8,23.1,23.8,23.6,23.6,22.3,19.9,19.5
1972,17.3,21.4,21,22.9,24,23.8,23.7,22.9,23.2,24,22.5,20.4
1973,19.2,21.6,23.3,25.9,24.5,24.3,23.8,23.9,23.4,22.7,20.7,18.3
1974,18.2,19.2,20.2,23.9,23.6,23.4,23.5,23.6,23.1,22.5,21.1,19.3
1975,19.7,21.1,22.2,24.4,23.9,23.4,23.5,23.3,23.6,22.9,20.9,17.6
1976,17.5,21.2,21.3,24.5,24.3,23.2,23.5,23.4,23.1,22.7,19.8,19.3
1977,18.9,18.8,21.1,24,23.6,24.3,23.5,23.4,23.1,22.6,21.4,20
1978,20.4,20.9,23.2,23.8,23.5,23.4,23.2,23.1,23.1,21.9,21.9,19.9
1979,20.8,21.9,23.5,24.4,23.6,24.4,24,23.7,23.3,21.9,21.4,19.9
1980,19.6,21.1,23.5,25,24.1,23.8,23.9,23.7,23.2,23,22.1,19.9
1981,18.4,21.2,22,24.1,23.9,23.3,23.4,24.4,24.3,23.2,21.9,18.3
1982,18,21.2,22.4,23.4,23.9,23,23.2,23.1,22.9,23.2,23.2,18.1
1983,18.9,21.7,22.3,26.4,25.5,23.7,24.3,24.1,24.2,23.5,20.5,19
1984,18,20.2,21.3,25.2,23.6,22.9,23.1,23.1,22.4,22.1,21.5,19.2
1985,18.6,21.7,21,23.3,23.2,23.2,22.3,23,22.7,22.3,22.5,19
1986,17.8,20.4,21,23.8,23.4,23.2,22.9,23,22.6,22.4,21.1,18.8
1987,18.7,20.3,21.8,23.8,23.7,23.7,23.5,24,22.9,23.6,22.5,17.2
1988,19.8,21.2,21.6,23.3,23.6,23,23.2,23.1,23.1,22,20.3,18.4
1989,20.3,19.6,21.1,24.7,23.9,23.2,23.8,23.6,23.6,22.9,21.1,18.5
1990,19.9,21.3,21.4,24.2,23.3,23.7,23.3,23.9,23.2,22.9,22.1,19.8
1991,20.5,21.1,23.2,25.3,24.3,24,23.8,23.5,23.9,22.5,21,20.1
1992,18.6,21.2,23.1,25.7,24.7,24.2,23.3,23.6,23.4,21.9,20.6,20.2
1993,18.8,20.3,21.9,24.3,24,24,23.1,23.5,23.4,22.6,21.5,19.4
1994,19.7,22.2,21.4,25,24.7,23.6,23.7,23.5,23.5,21.8,21.5,21.3
1995,19.2,20,21.7,25.7,24.3,24,23.3,24.1,23.7,22.7,21.6,19.2
1996,19.6,19.1,21.1,24,23.4,23.6,23.7,23.7,23.4,22.9,22.4,19.1
1997,18.7,20.7,21.4,23.6,23.9,23.6,23.6,23.6,23.6,23.7,22.3,20.7
1998,21,22.6,23.1,25.1,24.7,24,23.6,23.4,24,23.3,22.6,20.3
1999,20,20.8,22.3,24.4,23.7,23.1,23.8,24.2,23.7,23.3,21.7,18.2
2000,20.4,20.2,22.1,24.4,23.9,23.2,23.7,24.4,23.7,23.4,21.2,21.2
2001,21.6,21.4,21.7,25.9,24.2,23.2,23.7,23.8,24.2,23.5,20.5,20
2002,19.5,20.9,22.4,24.5,23.4,23.6,23.9,23.6,22.9,23,22.3,21.9
2003,19.2,21.2,21.6,24.8,24,23.4,23.4,23.8,23.2,23.1,22.1,19.4
2004,19.9,20.8,22.3,24.6,25.2,23.6,24.1,24.4,23.6,22.9,22.6,19.4
2005,20,23,21.7,25.3,24,24.6,23.7,23.9,24.6,21.1,22.8,20.2
2006,20.4,21.7,21.8,24.6,23.9,23.8,24.5,23.7,23.9,23.2,22.3,20.4
2007,20.3,21.9,23,24.1,23.7,22.3,23.9,23,23.7,22.8,20.8,21.1
2008,19.9,19,21.1,24.7,23.2,23.5,24.1,23.3,23.9,23.7,21.8,19.6
2009,18.3,22.3,21.8,24.5,24,23.9,23.4,24.2,23.4,23.6,21.7,20.3
