1901,19.8,22.1,23.5,25.1,24.7,24.9,24.8,24.7,24.1,23.9,22.5,20.1
1902,18.1,21.6,23.3,24.6,25.2,25.9,24.9,24.7,23.9,23.9,22.3,21.1
1903,20,20.5,24.5,25.9,25.9,24,24.4,24,23.5,23.2,20.8,16.4
1904,16.4,19.2,22.8,23.8,25,24.9,24.5,24.9,24.6,24.2,21.3,18.5
1905,20.5,22.6,24,25.9,25.1,24.9,24.8,25.4,24.7,24.4,22.8,23.3
1906,21.5,23,24.2,26.7,26.6,25.6,25.1,25.3,25.1,23.7,21.3,20.1
1907,18.9,21.4,22.4,24.6,24.5,24.6,24.5,24.2,24.4,23.7,22.3,17.7
1908,18.9,20.8,22.9,24.8,24.9,24.8,24.5,24.3,24.3,23.9,20.7,19.5
1909,19.1,21.3,23.1,24.6,24.7,24.9,24.2,24.7,24.4,24.2,21,18.5
1910,19.9,20.1,22.2,24.5,24.9,24.5,24.7,24.7,23.6,23.6,21.9,18.1
1911,18.3,20.4,23,25.1,25.3,24.9,24.6,25.2,24.7,24.2,23.9,21.3
1912,19.7,21.3,24.5,25.1,26.6,25.6,24.2,23.9,24,23.3,20.5,19.4
1913,18.2,21.3,23.4,25.7,24.1,24.3,23.6,24,24.1,23.4,21.2,19.3
1914,17.9,21.5,23.3,25.5,26.4,24.7,23.9,24,24,23.3,22.3,20.3
1915,18.9,22.2,23.5,24.9,24.8,24.8,24.2,24.7,23.7,23.2,20.8,16.9
1916,17,20.4,23.7,24.8,25,24.2,24.4,24.1,23.7,23,20,17.9
1917,18.6,20.6,21.9,25.3,25.3,23.9,24,23.6,23.4,22.5,20.8,18.2
1918,18.3,19,22.2,23.7,24.2,24.8,25,24.4,24.5,23.8,23,21
1919,19.6,21.5,24.3,24.8,25,24.2,24.1,24.2,23.9,23.4,21.5,19.9
1920,16.9,21,23.3,24.6,25.6,24.7,24,24.7,24.1,23,22.4,19.8
1921,17.9,20.1,23,24.2,24.2,24.5,23.3,24,23.3,23.1,20.5,19.2
1922,19.3,21.4,21.9,24.6,25.4,24.5,23.4,24,24.5,23.2,20.8,18.5
1923,18,19.4,22.4,23.5,23.9,24.1,23.1,23.3,23.5,23,22.1,20
1924,19.3,20.9,23.1,24,24.8,24.4,23.2,24.1,23.5,22.5,22.8,17.3
1925,18.9,19.7,23.1,23.2,24.9,24.4,24,24.2,24.1,23,21.9,18
1926,19,21.1,22.8,25.3,25.9,25.2,24.2,23.8,24.1,23,21.7,19.8
1927,18.6,20.9,23.6,23.6,24,24.2,23.7,23.9,23.8,22.9,22,19.5
1928,20.4,20.5,23.1,23.7,24.5,24,23.7,24.1,23.5,22.6,21.3,19.8
1929,19.2,20.3,21.4,23.7,24.7,23.9,23.3,23.9,23.8,22.9,21.5,20.7
1930,19.6,20.3,21.9,22.9,24.9,24.5,23.6,24,24.7,23.4,21.7,19.8
1931,19.8,19.5,24.3,25.1,25.4,24.8,24.3,24.1,23.8,22.5,20.8,19.1
1932,17.5,21.3,22.7,24.8,25.7,25.4,24.2,25.5,24.4,23.6,22.6,18.6
1933,19.6,21.7,23.1,24.7,25.8,25.2,24.2,25.4,24.6,23.9,20.8,19.3
1934,18.2,19.7,23,25,26.2,25.6,24.5,24.4,24.6,23.6,22.6,17.9
1935,20.3,21.8,24.1,25.1,25.4,25.1,24.1,25,24.4,24.4,23,20.6
1936,18.6,20.8,23,25.2,25.9,25,24.5,24.4,24.1,22.9,21.3,20.8
1937,19.7,21.4,24.6,24.9,24.3,24.4,23.6,23.8,23.5,22.4,22.5,19.6
1938,19,21.1,23.1,23.8,24.2,23.3,23.2,24.4,23.8,23.9,20.4,20.1
1939,19,20.1,22,24.2,24.4,24,24.1,24.7,24.2,23.4,23,16.2
1940,15.4,20.4,22.5,24.9,24.8,24.1,23.7,23.7,23.6,23.3,22.1,20
1941,21,21.4,23.9,25.4,25.5,25.2,24.4,24.6,24.1,23.7,22.6,20.5
1942,17.9,21.4,22.9,24.3,24.5,24.7,24.1,23.7,23.7,23.7,22.5,19.8
1943,17,19.5,22.4,23.2,24.7,23.9,24,23.7,24.2,23.7,21.8,18.7
1944,19.4,21.2,22.6,24.5,24.6,24.2,24.1,24.3,24.6,24.1,22.5,18.7
1945,19.1,21.4,22.6,23.9,24,23.9,24.6,24,23.6,22.9,22.7,19.8
1946,18.1,22.9,24.4,25,25.4,24.9,24,24.1,23.7,22.7,21.9,20.7
1947,20.8,21.8,24.1,24.3,25.1,24.8,24.2,23.6,23.5,23.2,21,18.5
1948,17.9,20.9,22.5,23.4,24.2,24.5,24,24.2,23.9,23.2,19.9,19.7
1949,17.1,19.7,21.8,23.3,24.3,24.2,24.1,23.7,24.3,23,21.4,20.5
1950,19,20.8,22.9,23.9,24.5,24.1,23.3,24,23.9,23.7,22.3,18.3
1951,18.4,19.7,22.6,24.5,24.3,24.3,23.4,23.8,23.8,23.4,22.5,19.3
1952,19.3,21.6,22.4,24.4,24.8,23.9,24.1,23.6,24,23.7,22.1,17.8
1953,19.1,20.7,22.4,24.1,24.1,23.7,23.8,23.7,23.7,23.7,22,19.6
1954,20.6,20.4,22.5,24.4,24.1,24.2,24.1,23.6,23.4,22.9,19.9,18.2
1955,16.7,19.9,21.9,23.4,24,23.8,23.9,23.6,23.3,23,20.5,17.6
1956,17,20.7,22.9,23.3,23.8,23.6,23.4,23.4,23.1,22.9,20.2,18.2
1957,18.3,19.6,22.1,24.1,25.8,24.3,23.9,23.7,23.7,23.5,22.2,20.3
1958,19.7,20.2,23.3,25,26.3,25,24.4,23.8,23.7,23.3,20.3,18
1959,19.2,21.6,22.5,24.8,25,24.9,23.4,23.9,23.7,23.2,22.2,21.2
1960,20.1,21,22.8,25.5,25.6,24.8,24.1,24.4,23.9,23.5,23,19.2
1961,18.1,21.4,22.7,24.9,24.7,24.7,24.6,24.5,24.1,23.1,21.8,19.9
1962,18.4,19.3,22.9,24.5,25,24.2,24.2,23.8,23.6,23.5,21.9,19.3
1963,16,20.7,22.6,24.4,25.7,24.8,24,23.9,24.1,23.4,22.7,20
1964,20.6,21.2,22.6,25,24.1,24.3,24,24,24.1,24,21.3,19.3
1965,17.8,21.5,22.7,24.4,24.5,24.6,24.1,24.2,23.7,23.9,22.6,21.3
1966,20.9,22.2,24,25.3,24.8,24.6,24.4,24.4,24.1,24.2,22.8,21.5
1967,19,20.7,22.7,24,24.6,25,24.3,24.5,24.5,23.5,22.6,19.1
1968,19.4,21.1,23,23.4,25,24.3,24.6,24.6,24.5,23.9,23,21.7
1969,21.6,21.4,24.1,25.1,25.4,24.8,24.5,23.8,24.3,24.1,21.5,19.2
1970,20.1,20.9,23.3,24.2,24.8,24.3,23.8,23.7,24.3,23.7,21.9,20.7
1971,17.3,19.8,22.4,24.1,24.6,24.4,23.9,23.7,24.4,23.5,20.2,20.5
1972,17.9,21.7,22,23.7,25.8,24.6,24.9,24.4,24.5,24.5,23.4,20.8
1973,19.4,22,23.7,25,25.2,24.9,24.7,24.5,23.5,23.6,21.6,18.2
1974,18.6,20.2,22.7,24.1,24.5,24.2,24.1,24.5,24.3,23.6,21.9,20
1975,20.4,21.6,23.9,25.1,24.8,24.1,24.2,24.3,24.4,23.9,21.8,18
1976,17.5,21.2,22.7,25,24.3,25,24.4,24.3,24.3,24.1,21,19.8
1977,20.4,20,22.5,24.9,25.1,25.6,24.9,24.9,24.5,24.2,22.1,20
1978,21.1,21.5,24.2,25.3,24.9,25.2,24.7,24.9,24.2,23.6,21.8,20.3
1979,21.2,22,24.6,25.1,25.6,24.9,24.8,24.9,24.6,23.5,21.7,20.2
1980,19.5,21.8,24.2,26.1,26.8,24.7,24.9,24.1,23.7,23.6,22.3,19.4
1981,18.2,20.9,23.3,23.8,24.1,24.4,24,24.2,23.5,23.7,21.7,18.3
1982,18,21.5,23.2,23.5,24.8,24.1,23.6,23.6,23.8,23.2,22.9,18.4
1983,18.8,21.5,23.3,25.4,25.7,25.1,24.5,23.8,23.7,23.2,20.8,20.2
1984,19,21.7,22.9,25,25.2,24.6,24,24.9,23.5,23.1,22.3,20.4
1985,19.9,22.4,23.4,24.6,24.4,24.7,23.5,24.3,23.5,23.1,22.8,19.8
1986,18,20.6,22.2,24.8,25.1,24.8,23.8,24.6,24,23.3,22.3,19.8
1987,19.6,21.2,23.2,25,25.3,25.1,25.3,25,24.2,23.7,23,18.6
1988,20,21.7,24.1,24.6,24.8,24.4,24.1,23.9,23.9,23.2,21.6,19
1989,21.3,21.3,22.5,25.1,24.8,24.2,24.2,24,23.6,23,22.1,18.9
1990,20.9,22,22.9,25.1,24.8,25.4,24.1,24.6,23.9,23.6,22.1,20.2
1991,21.5,21.5,24.5,25.5,25.7,25.1,24.9,24.6,24.5,23.5,22,20.7
1992,19.6,21.7,24,25.8,26.7,25.4,24.6,24.7,24.9,23.2,21.4,20.9
1993,20.4,20.9,23.7,25.2,25.9,25.9,25.6,24.2,24.6,23.7,22.6,20
1994,20.4,23.3,23.6,25.8,25.4,25,24.7,24.5,24.6,23.3,22.1,21.9
1995,20,20.7,23.6,25.3,25.8,25.4,24.7,24.3,24.7,24.1,23.4,20.5
1996,20.8,20.8,24.1,25.2,24.9,24.9,24.9,25,24.3,24,23.4,20.3
1997,19.3,22.1,23.6,24.5,26.3,26,25.3,25.4,24.2,24.4,23.8,22.4
1998,22.4,23.7,25,26.5,26.4,25.4,25.4,24.7,24.3,24.6,23.3,21.5
1999,20.9,21.3,24,23.9,24.4,24.8,25.2,24.7,24.1,23.5,22.7,19
2000,21.1,20.9,23.7,24.4,25.4,24.2,24.4,25,24.4,23.8,22.3,22.4
2001,22.6,22.4,23.7,26.5,25.1,25.1,25.5,25.3,24.5,23.8,21.3,21.1
2002,20.8,23,24.3,25.3,25.1,24.9,25.2,24.3,24.1,23.7,23.2,23.4
2003,20.8,22.6,23.7,25.9,25.9,25.2,24.9,25.3,24.3,24.3,23.7,20.7
2004,21.2,21.5,24.3,25.9,25.5,24.8,25,25,24.7,23.3,23.6,20.5
2005,20.8,23,23.5,25.6,25.4,25.9,25.1,25.3,24.7,24.1,23.3,21.6
2006,21.3,22.9,24.3,25.4,25.5,24.9,25.2,24.9,24.2,24.3,23.9,21.3
2007,21.1,21.6,24.5,24.9,25,22.8,24.2,24.8,24.6,24.6,22,22.5
2008,21.3,21.9,23.8,24.7,24.8,24.7,24.3,24.6,24.1,24.5,22.6,20.6
2009,19.1,22.3,24,24.7,24.8,25.3,24.5,24.9,24.3,23.8,22.5,21.7
