1901,19.2,21.4,24,26.5,25.3,25.1,24.9,24.7,24.1,23.9,21.9,18.9
1902,18.1,20.6,23.8,25.5,25.8,25,24.5,24.1,23.9,23.2,21.3,19.1
1903,18.6,20,24.2,26.9,25.9,24.1,24.5,23.6,23.9,23.6,20.7,16.5
1904,16.6,19.3,23.1,25.1,25.3,24.9,24.3,24.3,24.5,24,20.7,17.4
1905,19,20.9,23.2,26.1,25.7,25,24.6,24.2,24.8,24,21.9,20.5
1906,19.9,21.3,23.6,26.7,26.5,25.3,24.9,24.1,25.1,23.6,21.1,18.6
1907,18.5,20.5,22.4,25.6,25.2,24.4,24,24.2,24,23.7,21.7,17.3
1908,18.4,20.4,23.6,26.7,25.5,25,24.2,24.1,24.1,23.6,20.4,18.1
1909,18.2,20.6,24,25.9,25,24.6,24.3,24.1,24.7,24.3,21.4,18
1910,19,19.8,22.8,26,25.8,24.2,24,24.2,24,23.4,21.5,17.5
1911,18.3,19.8,23.1,26.4,25.6,24.8,24.2,24.4,24.5,23.7,22.4,19.1
1912,18.8,20.6,23.5,26.1,26.1,25.1,23.9,23.6,24,23.1,20.5,18.2
1913,18.7,20.6,22.7,25.7,25,24.9,23.7,23.8,24,23.3,20.5,17.9
1914,17.9,20.6,23.4,26.2,25.7,24.6,24.2,23.3,23.9,22.6,21.4,19.1
1915,19,21.4,23.5,26,24.9,24.9,23.8,23.9,23.7,24.2,21.3,17.1
1916,17.5,20.7,24.1,26.1,25.9,24.9,24.9,24.6,24.7,23.5,21.5,18.1
1917,18.1,20,22.9,25.8,25.9,24.5,24.6,24.4,24.2,23.5,22.1,17.7
1918,18,19.6,23.1,25,25,24.7,25.1,24.4,25.1,24.1,21.9,19.7
1919,19.6,21.1,24.7,26.4,26.2,25.1,24.6,25,24,23.9,22,19.1
1920,18.3,20.4,24,25.7,25.6,25,25.1,24.5,24.7,23.6,21.7,19.3
1921,20,20,23.9,27.1,25.6,25.4,24.4,24.7,24.4,23,21.1,18.5
1922,20.3,20.9,24,25.9,26.1,25.4,24.5,24.6,25,23.8,21.3,18.6
1923,19.9,19.7,24,25.5,24.8,24.6,23.8,23.9,24.3,23.2,22.1,19.4
1924,19.8,20.7,24.8,26.1,26.2,24.9,23.9,24.1,24.1,23.3,22,17.5
1925,18.6,19.9,23.7,24.9,25.5,25.3,24.6,24.4,24.6,23,21.4,18.1
1926,20,20.5,23.5,26.5,26.8,25.2,24.8,24.6,25,24,21.7,19.8
1927,19.3,20.4,23.7,25.4,24.9,25.3,24.9,24.6,24.2,23.4,21.6,19.1
1928,21.2,21.2,23.9,26.1,25.9,24.5,24.6,24.6,24.5,23.2,20.9,19.4
1929,20.9,20.3,23.5,25.7,25.9,24.7,24.8,24.6,24.7,23.9,21.5,19.5
1930,18.8,20.4,23,26.7,25.2,25.1,24.2,23.8,24.3,23.5,22.3,19.7
1931,18.9,20.8,23.3,27,28.1,26,25.2,25,24.1,23,20.5,19.5
1932,18,20.2,23.4,26.1,27.2,25.4,24.5,24.7,24.3,23.6,22.5,17.9
1933,19.5,20.5,23.9,26.7,25.6,24.8,24.3,23.6,24.1,23.8,20.8,18.3
1934,18.7,20.5,23.1,25.7,26.6,25,23.8,24,24.3,23.3,21.4,16.3
1935,19.7,20.9,23.4,25.9,26.1,24.8,24.1,23.3,24.3,24.1,22.4,20.2
1936,18.3,19.3,23.1,26.6,26.1,24.4,23.7,24.3,23.7,22.5,22.5,21.1
1937,19.6,21.5,23.7,26.8,25.2,24.7,24.3,24.6,24.5,23.8,23.4,20.1
1938,19.6,20.9,23.2,25.5,24.6,24.5,23.7,23.9,24.1,23.2,18.7,18.2
1939,18.8,19.4,21.7,24.4,25.1,24.1,23.1,23.4,23.3,22.9,21.6,16
1940,16.5,19.1,21.6,25.7,24.4,24.2,23.3,23.9,23.9,23,20.3,17.3
1941,18.8,19.6,22.9,26.6,26.1,24.9,24.7,24.5,24.2,23.5,21.5,20.2
1942,18.8,21.8,24,26.1,25.4,24.5,24.5,23.9,24.1,23.9,21.8,18.8
1943,18.4,19.6,23.3,25.1,25.6,24.3,24.3,23.7,23.9,23.7,21.3,18.6
1944,19.3,21,24.1,26.2,25.2,24.4,24.5,24.3,24.1,23.9,21.5,18.3
1945,19.2,20.5,23.4,26.6,25.2,25,24.6,24.2,24.5,23,22.1,18.9
1946,17.6,20.6,23.9,25.4,25.7,25.7,25.1,24.5,24.2,23.1,22,21
1947,20.6,21.1,24.5,25.6,26.9,25.2,24.4,25.4,24.9,24,21.7,19.4
1948,18.6,20.2,23.4,24.5,25.4,25.4,24.7,24.7,24.1,23.1,21.1,19.9
1949,18.3,20.2,23.6,24.9,25.5,25.7,24.5,24.1,24.3,24,22,18.3
1950,18.2,19.9,22.8,25.6,26.5,25,24.4,24.4,24.3,23.4,21.8,17.5
1951,18.1,20,23.2,26.1,25.2,24.6,24.4,24.7,24.7,23.7,22.2,19.4
1952,19,21.2,22.1,24.9,26.2,24.7,24.1,24,23.6,23.7,21.9,17.4
1953,19,20.3,22.6,25.8,24.9,24.8,24,23.8,24.1,23.9,21.9,19.2
1954,18.7,20.6,22.8,26.2,24.9,24.9,24.8,24.2,24.4,22.8,21.3,18.4
1955,17.7,19.7,22.2,24.8,25.6,24.2,24,23.6,24.1,23.4,21,16.2
1956,17.3,20,23.1,26.2,24.9,24.6,24.1,24.1,24,23.2,20.8,18.4
1957,18.7,19.1,23.2,26.6,26.9,25,24.2,24.5,24.3,23.6,22.2,19.3
1958,19.2,20.3,24.6,26.7,27.2,25.4,24.6,24.6,24.5,23.9,20.7,16.7
1959,19,20.2,23.5,27.5,26.3,25.4,24.4,24.1,23.8,23.2,21.9,21.3
1960,19.3,20.4,22.8,27.5,26.5,25.5,24.3,24.1,23.7,23.3,22.3,18.3
1961,17.6,20,22.7,25.5,25.2,25.1,24.1,24.3,23.7,23,21.1,18.8
1962,18.3,19.5,22.8,25.9,24.8,24.8,24.5,24.3,24.3,23,21.5,18.5
1963,17.1,20.1,22.9,25.2,27,24.6,23.8,24.2,24.7,23.2,21.6,18.3
1964,19.1,20.3,23.5,25.7,25.1,24.8,23.9,24.3,24.1,23.7,20.9,17.7
1965,17.7,20.4,22.5,26.1,26.9,24.8,24.8,24,24.1,23,21,20.1
1966,20.1,21.2,23.5,27.3,26.7,25,24.7,23.9,23.9,23.3,22.2,20.5
1967,19.1,19.9,23.3,26,25.6,25,24.6,24.1,23.7,23,21.2,18.5
1968,18.6,19.4,23.4,24.9,25,24.6,24.7,24.5,24.5,23.6,22.1,19.4
1969,18.3,19.8,23.9,27.2,26.5,25.2,24.3,23.7,24.4,23.6,20.7,18.2
1970,18.8,20.2,23.6,25,25,24.9,24.1,23.9,24,23.3,21.4,19.5
1971,17.6,19.5,23.2,25.3,25.3,24.3,23.6,23.5,24.1,22.2,19,18.1
1972,17.5,19.7,22.8,24.4,26,24.9,24.7,24,24.6,23.9,22,19.1
1973,18.1,20.9,23,26.2,25.3,25.2,24.4,24,23.9,23.8,20.5,16.9
1974,16.2,18.6,22.5,25.4,25.1,24.5,24.4,24.1,23.9,24.1,21.6,18.6
1975,19.3,21,24.2,26.8,26,25.2,24.4,24.2,24.3,24.5,22,17.5
1976,17.7,20.2,22.9,25.1,24.6,24,24.5,23.4,24.6,23.4,20.1,18.5
1977,19,18.8,21.8,25,22.7,23.6,23,23,22.9,22.1,19.2,18.8
1978,17.6,20.2,23.2,26.9,25.9,25.4,25.3,25.2,25,24.2,22.8,20
1979,21,22.5,25,27.8,27.3,26,26,24.8,25.5,23.8,22,19.9
1980,19.3,21.4,25,28.1,27.4,25.5,25.1,24,24.5,23.2,22.4,19
1981,19,20.7,24.3,26.2,25.4,24.3,23.8,24.1,24.4,24,21.9,17.8
1982,18.3,20.6,24.3,25.3,25.8,24.4,24.4,24.2,23.8,23.8,22.3,17.2
1983,18.1,21.7,25,28.3,27.3,25.5,25.5,24.7,24.4,23.7,20.1,17.4
1984,18.6,22.9,24.7,27,25.6,24.5,24,24.1,23.9,22.7,21.6,19.2
1985,20.3,21.7,25.1,27,25.7,24,23.6,24,24.3,23.5,21.2,18.7
1986,18.7,21.3,23,26.1,25.3,25,24,24.6,24.1,23.4,22,19.4
1987,19.6,20.9,23.8,26.4,26.7,24.9,24.9,24.5,24.5,24.4,23.2,16.8
1988,18.9,21.9,24.4,25.6,25.7,24.1,24.2,24.4,24.5,23.3,20,17.9
1989,19.1,20.1,23.8,26.4,25.4,24.2,24.1,24.3,24.1,23.1,21,16.8
1990,19.1,20.7,23.6,26.2,24.5,24.8,24,24.7,24.1,23.7,21.7,18.6
1991,19.6,21.5,25.2,27.1,27.3,25,25,24.5,25.1,24.1,21.2,18.9
1992,18.2,19.1,23.9,27.2,27.7,26.5,24.3,24.7,24.4,22.3,20.2,16.7
1993,18.2,19.8,23.4,25.3,26,25.2,25.6,24.4,24.7,23.8,21.5,19.2
1994,20.5,21.9,24,26.5,25.5,24.7,23.2,23.6,24.4,22.9,19.9,19.6
1995,20.1,19.5,24.5,27,26.4,26.1,24.7,23.5,24.6,23.4,21.7,17.5
1996,18.5,19.5,24.5,26.2,25,23.9,23.8,23.8,24.2,22.8,22.2,19.3
1997,18.2,19.7,23.5,24.3,26.9,25.6,25.1,24.7,24,23.3,22,20.4
1998,19.1,20.6,24.7,27.5,27.3,26.2,25.1,25.4,25.1,24.9,21.4,21.2
1999,20.5,23.5,23.6,25.8,23.7,24.9,24,24.2,23.3,23.7,21.3,17.4
2000,20.4,20.8,22.8,26.2,23.8,24.5,23.5,24.7,23.1,24,20.6,19.6
2001,20.7,22.1,23.6,27.7,24.3,24.1,23.5,24.1,23.7,23.2,19.6,19.7
2002,19,21.2,23.6,26.5,25,24.3,23.8,23.4,23.2,23,21.2,19.8
2003,18.7,20.4,23,26,25.4,23.8,24.3,24,24.1,23.8,21.5,18.7
2004,19,20.9,25.1,27.4,25,23.9,23.2,23.8,23.1,22.8,21.4,17.1
2005,19.2,22.1,23.9,26.4,25.8,24.7,24.4,23.4,23.4,23.3,21.7,18.9
2006,18.7,21.9,24.7,25.7,23.9,24.7,23.5,23.3,24,23.1,21.3,18.9
2007,18.6,20.5,23.6,26.8,23.9,24.8,24,24.1,24.1,23.1,20.5,18.9
2008,21.7,21.5,24.7,27.1,24.7,25,24.7,24.4,24.3,23.9,21.5,18.7
2009,18.9,22.5,24.2,26.8,25.8,24.8,24.8,25.1,25.2,24.6,22.3,19.4
