1901,19.8,21.1,23.4,24.3,24.2,24.2,23.9,23.9,23.8,23.4,22.2,20.1
1902,19.3,21.2,23.7,24.3,24.6,24.7,24.2,24.1,23.7,23.6,22.5,21.1
1903,19.9,20.7,24.3,25,24.7,23.8,23.9,23.6,23.3,23.2,21.3,18
1904,17.9,20.2,23,23.7,24.1,24.1,23.9,24.1,24.1,23.8,21.7,19.2
1905,20.7,21.7,23.3,24.7,24.4,24.2,24.1,24.5,24.1,23.8,22.6,22.5
1906,20.9,22.3,23.6,25.3,25.2,24.7,24.4,24.6,24.4,23.4,21.6,20.4
1907,19.6,21.2,22.8,24,23.9,23.9,24,23.8,24,23.7,22.5,18.8
1908,19.6,20.8,22.9,24.1,24.1,24.1,24,23.9,24,23.6,21.4,20
1909,19.6,21.3,23.2,24.2,23.9,24.3,23.8,24.2,24.1,23.9,21.7,19.4
1910,20.2,20.5,22.6,24,24.4,24.1,24.1,24.1,23.4,23.3,22.1,18.9
1911,19.1,20.5,23.1,24.4,24.4,24.2,24.1,24.5,24.3,23.8,23.4,21.3
1912,20,21.3,24.5,24.7,25.8,25,23.8,23.5,23.7,23.2,21.1,19.9
1913,19,21.3,23.7,24.8,23.5,23.9,23.3,23.6,23.8,23.3,21.4,19.9
1914,18.6,21.3,23.5,24.9,25.5,24.1,23.7,23.7,23.6,23.1,22.4,20.8
1915,19.5,22,23.7,24.7,24.5,24.5,24,24.3,23.5,23.2,21.4,18.2
1916,18.2,20.6,23.8,24.4,24.2,23.7,23.9,23.8,23.4,22.9,20.7,18.9
1917,19.3,20.7,22.3,24.7,24.4,23.6,23.5,23.4,23.2,22.6,21.2,19
1918,18,19.2,22.4,23.4,23.8,24.1,24.4,23.9,24.1,23.6,22.8,21
1919,20,21.5,24.3,24.7,24.6,23.8,23.7,23.7,23.6,23.3,21.7,20.3
1920,18,21,23.5,24.3,24.8,24.2,23.7,24.3,23.8,22.9,22.5,20.3
1921,18.8,20.4,23.4,23.9,23.9,24,23.2,23.6,23.2,23.1,21,19.7
1922,19.8,21.3,22.4,24.3,24.5,24,23.1,23.7,24.1,23.1,21.3,19.3
1923,18.8,19.9,22.6,23.4,23.3,23.5,22.9,23,23.3,23,22.2,20.4
1924,19.7,21,23.3,23.9,24.4,23.9,23,23.7,23.9,23,22.5,18.3
1925,19.6,20.1,23,23.2,24.3,23.8,23.7,23.9,23.7,22.8,22,18.7
1926,19.5,21.2,23.1,25,25.3,24.5,23.9,23.5,23.8,23,21.9,20.2
1927,19.2,21,23.8,23.5,23.7,23.8,23.5,23.6,23.7,22.9,22.2,20.1
1928,21.2,20.6,24,23.9,24.4,23.9,23.9,24,23.6,22.4,21.6,21.1
1929,20.5,21,22.5,23.8,25.2,24.2,23.6,23.8,23.7,23.3,21.7,21.2
1930,18.6,20.9,22.4,24.6,24.5,24.4,23.7,24,23.8,23.4,22.5,20.8
1931,20.6,21.5,24.4,25.5,25,24.7,24.1,24.1,23.7,22.2,21.6,20.1
1932,18.8,20.7,22.4,24.4,25.1,24.5,23.6,24.3,23.4,23.2,22.3,19.6
1933,18.5,21.9,23,24.6,24.9,24.8,23.8,24.4,23.9,23.2,21.2,20.2
1934,18.3,20,22.5,23.5,24.7,24.5,23.5,24,24,22.5,22.5,19.6
1935,20.5,22,24.3,24.8,24.3,24.6,23.9,24.1,23.6,23.8,23,20.2
1936,19.1,21.3,22.2,24.9,24.7,24.4,24,23.7,23.6,22.5,22,20.9
1937,20.2,21.4,24.9,24.5,24.2,24,23.7,23.7,23.4,23,22.3,19.9
1938,20,21,21.9,23.6,23.6,23.9,23,23.1,23.4,23.5,22.4,20.6
1939,19.9,20.5,23.1,24.1,24.4,24.2,24.6,24.3,23.8,23.6,23.1,18.3
1940,17,20.7,23.5,24.1,24.3,24.3,23.8,23.6,24.1,23.5,22.8,21.1
1941,22.1,22.4,23.7,24.9,24.9,24.3,24.3,24.5,24.1,24,23,21
1942,19.1,21.3,23.5,23.8,24,24.2,23.7,23.6,23.3,23.4,22,20.2
1943,18.3,20.1,22.9,23.4,24.1,23.7,23.7,23.7,23.9,23.6,22.1,19.5
1944,19.8,21.1,23.1,24.1,24.1,23.9,23.7,23.9,24.1,23.7,22.5,19.2
1945,19.4,21.1,22.9,23.7,23.6,23.6,24.1,23.8,23.5,23,22.7,20.2
1946,18.3,20.5,23.6,23.7,23.8,24,23.6,23.7,23.8,22.7,22.4,20.5
1947,21.5,20.8,23.6,23,23.9,23.5,23.8,23.8,23.6,23,21.4,19.5
1948,19,21.4,23.5,24,24.1,24.1,23.7,23.8,23.8,23.7,19.6,20.6
1949,18.7,20.4,23,23.9,24.2,24,24,23.6,23.8,23.4,21.8,20.3
1950,20.4,21.1,23.6,23.6,24.2,23.9,23.5,24.1,23.7,24.1,22.7,18.9
1951,19.7,20.9,23.1,24.7,24.4,24.2,23.4,24.3,24.3,24.1,23.3,20.7
1952,19.9,21.9,23.5,24,24.9,24.2,23.9,23.8,23.7,23.5,22.2,19
1953,20.1,21.4,23.7,24.3,24.2,24,23.5,23.9,23.7,23.8,22.4,20.2
1954,21.7,20.5,22.7,24.5,24.1,24.4,23.9,24.2,23.5,23.1,21.1,19.3
1955,18,20.9,23.4,23.1,24,23.6,23.5,23.5,23.4,23.1,21.6,18.4
1956,17.6,21.5,23.3,24.1,24.1,23.2,23.5,23.4,23.7,22.6,21,19.2
1957,18.5,19.9,22.8,23.6,24.1,23.7,23.5,23.5,23.8,23.4,22.1,20.6
1958,20,20.6,24.1,25,25,24.4,23.8,23.3,23.4,22.8,20.7,18.8
1959,18.5,21.9,21.7,24.1,24.1,24.6,23.6,23.8,23.4,23,22,21.5
1960,19.7,20,24,24.4,24.1,24.1,23.7,24,23.6,23.6,23.1,19.7
1961,18.3,20.7,23.7,23.8,24.1,24.1,23.8,24.1,23.6,23.2,21.8,20.7
1962,18.4,19.7,23.2,23.9,24.1,23.7,24,23.8,23.9,23.3,21.7,19.4
1963,15.9,19.1,22.3,23.8,24.2,23.7,23.5,24,24.1,23.6,23.2,19.6
1964,20.9,20.2,22.7,24.6,23.7,23.7,24.1,23.9,23.7,23.9,21.6,19.2
1965,17.8,21.8,22.3,23.7,24.1,24,23.4,23.6,22.8,23.6,22.7,21.6
1966,21.2,22.4,24.4,24.5,23.9,24.4,24,23.8,23.3,23.8,22.1,21.9
1967,19.4,20.3,23.3,24.2,24.6,24.9,23.6,24.3,23.6,22.6,22.5,18.8
1968,19.7,21,23.3,23.9,24.1,24,24.2,24,23.8,22.8,22.5,21.2
1969,22.2,21.6,24.5,24.7,24.7,24.3,23.9,24.1,24.4,23.5,21,18.3
1970,19.7,20.7,23.9,23.5,24.2,24.5,23.5,23,23.3,22.4,21.7,21.3
1971,17.5,19.1,21.7,23.6,24.9,23.5,24.2,23.8,24.4,23,20.7,20.6
1972,18,21.9,22.5,22.8,24.3,24.2,24.2,23.6,23.8,24.5,23.1,21.1
1973,19.9,21.8,24.7,25.7,24.8,24.9,24.2,24.3,23.9,23.4,21.6,19.4
1974,19.2,20,21.8,23.8,23.9,23.9,23.9,24.1,23.7,23.3,22,20.3
1975,20.7,21.7,23.6,24.3,24.1,24.1,23.7,23.8,24.1,23.6,21.8,18.8
1976,18.3,21.7,22.9,24.3,24.5,23.8,23.8,23.8,23.7,23.5,20.8,20.4
1977,20.2,19.6,22.9,23.9,24,24.8,23.8,23.7,23.7,23.2,22.3,20.9
1978,21.6,21.7,24.7,23.8,23.8,24,23.7,23.7,23.8,22.7,22.5,20.9
1979,21.7,22.4,25.1,24.2,23.9,24.8,24.3,24,23.8,22.6,22.5,21
1980,20.3,21.9,24.7,24.9,24.4,24.3,24.2,24,23.6,23.8,23,20.8
1981,19.1,21.7,23.3,23.5,24.1,23.5,23.7,24.8,24.7,23.7,22.7,19.3
1982,18.5,21.8,23.8,23.2,24.2,23.4,23.6,23.4,23.3,23.7,23.9,19.1
1983,19.9,22.4,24.1,26.1,25.7,24.1,24.6,24.6,24.6,24.3,21.3,20
1984,19.1,21.1,22.9,25.1,24.1,23.4,23.5,23.6,22.9,22.8,22.2,20.4
1985,19.7,22.4,22.8,23.4,23.4,23.7,22.6,23.4,23.2,23.1,23.2,20
1986,18.6,21,22.6,23.7,23.9,23.8,23.3,23.5,23.2,23.2,22,19.9
1987,19.6,20.9,23.1,23.8,23.9,24.1,23.9,24.4,23.5,24.5,23.4,18.2
1988,20.7,21.9,23.5,23.5,23.9,23.5,23.7,23.5,23.7,23,21.4,19.4
1989,21.6,20.5,22.8,24.6,24.3,23.6,24.2,24.1,24.1,23.7,21.9,19.5
1990,21,21.9,23.1,24.2,23.8,24.3,23.7,24.3,23.8,23.5,22.8,20.7
1991,21.5,21.8,24.9,25.3,24.6,24.5,24.3,24.2,24.5,23.5,21.9,21.1
1992,19.6,21.8,24.7,25.5,25.1,24.9,23.7,24.1,24,22.9,21.4,21.3
1993,20.1,20.8,23.5,24.2,24.5,24.6,23.6,23.9,24,23.5,22.5,20.6
1994,20.8,23,23.3,24.9,25.1,24.1,24.2,24.1,24,22.8,22.3,22.3
1995,20.3,20.7,23.5,25.7,24.7,24.5,23.8,24.5,24.3,23.5,22.5,20.3
1996,20.6,19.8,22.5,24.1,23.8,23.9,24,24,24.1,23.7,23.1,20
1997,19.5,21.3,22.8,23.4,24.3,24.2,24.1,24,24,24.4,23.2,21.7
1998,22.2,23.2,24.7,25.1,25.1,24.4,24.1,23.7,24.5,24,23.4,21.4
1999,21.1,21.3,23.6,24.3,24.1,23.4,24.2,24.5,24.3,24.1,22.5,19.3
2000,21.4,20.8,23.7,24.4,24.2,23.6,24.2,25,24.3,24.3,22,22.2
2001,22.6,22.3,23.2,25.8,24.5,23.6,24.1,24.3,24.6,24.3,21.3,21.1
2002,20.5,21.4,23.9,24,23.7,24,24.2,23.9,23.4,23.7,23.2,23.1
2003,20.1,21.6,23.2,24.5,24.3,23.8,23.8,24.2,23.7,23.9,22.8,20.4
2004,21,21.4,24,24.4,25.5,24,24.5,24.9,24.2,23.8,23.5,20.2
2005,20.8,23.6,23.4,25.2,24.3,25,24.1,24.2,25.3,22.2,23.6,21.2
2006,21.3,22.2,23.4,24.4,24.2,24.1,24.8,24.2,24.3,23.9,23.1,21.4
2007,21.4,22.3,24.5,24.1,24.1,22.6,24.3,23.4,24.3,23.5,21.6,22.1
2008,20.9,20,22.9,24.7,23.6,24,24.4,23.8,24.5,24.4,22.5,20.6
2009,19.3,22.6,23.3,24.5,24.1,24.3,24,24.6,23.8,23.9,22.6,21.6
