1901,17.2,21.4,23.3,24.8,23.5,22.7,22.1,22.1,21.8,21.9,20,18.1
1902,18.9,20.9,24,26,24.5,21.8,22.1,22.5,21.7,21,20.1,19
1903,19.1,21.8,24.6,25.3,24.3,22.8,22.1,22,21.6,21.7,20,19.3
1904,18.9,21.6,24.6,25.4,24.3,23,22.1,22.3,22,22,20.3,19.1
1905,17.8,19.8,23.5,25.2,24.3,22,22.2,21.6,21.6,21.7,21,20.6
1906,16.6,22.9,24.9,27.4,23.9,23.2,21.4,21.7,22.2,22.3,19.9,20.3
1907,18.5,19.1,22.6,25.1,25.5,22.5,22,21.8,21.6,23.3,19,16.9
1908,18.5,20.8,23,26.1,25.3,22.9,22,21.6,21.7,21.7,18.3,16.6
1909,17.6,21.6,26.2,24.4,23.7,21.1,20.9,20.4,21.8,20.8,19.9,17.6
1910,16.3,22.3,23.1,24.6,24.6,23.9,22.6,22.3,22,20.7,20,19
1911,18,21,24.1,25.4,24.2,21.7,22.2,21.8,21.6,21.5,19.4,17.4
1912,19.4,21.9,24.3,25.6,24.7,23,22.4,22.3,22.3,21.6,19,18.8
1913,19.8,22.1,22.2,24.1,24.9,23.9,23.2,23.6,23.5,21.6,18.7,18.2
1914,20.7,20.8,22.2,25.1,25.8,24.1,22.9,22.8,22.6,22.2,21.3,18.4
1915,17.8,20.8,25,24.7,24.2,21.9,22.2,22,21.6,21.5,19.6,18.6
1916,17.3,19.9,24.3,24.7,23.6,22,22.3,21.3,20.8,20.9,18.5,18.7
1917,19.1,21.9,23.3,24.5,22.9,21.7,22.1,22.1,20.7,20.8,18,18.3
1918,17.8,20.3,22.7,24.7,23.7,22.7,22.1,20.8,20.6,21.4,19.4,19
1919,19,21.9,24.4,25.4,24.3,22.5,21.9,22.1,21.7,21.7,20.4,19
1920,18.8,21.8,24.3,25.4,24.3,22.7,22,22.1,21.8,21.9,20,19.1
1921,19.6,21.8,24.5,25.2,24.1,22.5,22,22,21.6,21.9,20,18.6
1922,18.9,22,24.8,25.4,24.4,22.8,22.2,21,20.6,20.8,19,18.2
1923,19,20.6,23.7,23.3,23.1,22.3,21.2,21.2,21.6,21.8,19.3,19.1
1924,17.7,21.4,24.2,24.6,23.8,22.3,21.4,21.1,20.4,21,19,18.5
1925,16.2,20.8,23.7,24.9,23.1,21.3,21.1,21.2,21.1,21.1,19.9,18.1
1926,18.8,21.7,24.1,24.8,23.7,21.6,20.9,22.5,22.8,21.5,19.4,19.6
1927,17.1,21.2,23,24.8,23.2,22.1,21.2,21,21.2,20.5,19.4,18.8
1928,17.6,20.7,22.9,23.1,23,22.1,21.5,20.4,21.3,20.8,19.5,18.4
1929,18,19.7,22.3,23.2,23.4,22.6,23.1,21.3,21.8,20.4,17.8,17
1930,19.4,23.1,24.2,25,23.8,22.2,22.4,22.1,22.4,20.4,21.7,20.8
1931,20.2,22.2,24,25.1,23.7,22.6,22.5,22.2,21,21.5,20,20.1
1932,17.7,21.3,25.3,26.7,24.2,21.6,21.7,23.4,22.4,22.9,21.7,20.7
1933,21,22.8,25.1,25.1,22.6,22.2,21.5,21.5,22,21.4,19.9,18.3
1934,17.2,21.6,24.4,25.3,24.1,21.6,21.1,21.6,20.8,21.1,21.8,20
1935,17.4,20.9,26.3,26.7,23.3,20.7,20.7,20.9,20.3,20.2,19.1,17.5
1936,18,21.2,25.9,23.4,22.1,21.8,21,20.9,20.4,20.4,18.4,17.1
1937,18.7,21.8,25.7,26.8,25.9,23.9,22.8,22.3,22.2,22.8,21.8,20.3
1938,20.4,23.4,24.7,26.8,26.1,24.4,23,22.4,22.7,23.3,22,19.8
1939,20.5,21.7,25.7,25.1,24.8,23.5,22.8,22.1,22.1,22.6,21.2,20.5
1940,19.1,21.9,24.2,25.2,24.1,22.6,22.1,22,21.8,21.9,20.1,18.7
1941,20.2,21.2,25.5,25.8,25.8,23.2,22.8,22.6,22.7,23.4,21.9,20.4
1942,18.9,22.7,24.8,25.9,24.4,23.8,22.6,21.7,22.7,22.6,21.3,18.9
1943,18.6,21.5,24.6,25.3,23.8,22.4,22.3,22,21.8,22,21.1,20
1944,18.6,21.1,24.7,24.9,25.4,22.8,22.8,22.2,22.3,22.6,20.1,19.7
1945,19.7,20.5,23.8,25.1,24.6,23.1,22.7,21.9,22.4,21.8,20,17.9
1946,19.5,21.2,25,25.6,24.4,22.2,22,21.7,21.4,20.5,20.3,18.3
1947,18.3,24,23.8,25.7,25.6,23.1,22.4,22.4,21.9,22.2,19.6,19.3
1948,17.6,22,23.7,24.5,23.7,21.6,22,22,22.2,22.5,20.1,19.1
1949,19,21,25.3,25.9,24.4,22.4,22.7,22.1,22.3,22.7,21,18.3
1950,19.3,20.3,22.7,25.2,24.1,22.9,21.8,21.5,22,21.8,19.4,18.3
1951,19.1,21,24.7,24.9,23.4,22.5,21.1,21.7,21.9,22.4,19,18
1952,18.8,20.7,24,24.9,23,21.7,21.4,21.6,21.4,21.6,20.1,18.6
1953,19.5,21.5,24.1,25.3,23.1,22.2,21.4,21.4,21.3,21.7,19.8,17.9
1954,18.3,21.8,23.7,24.2,23.3,21.9,20.9,21.2,20.7,20.9,19.4,17.6
1955,18.4,20,23.2,23.4,23,21.1,21,21.6,21.3,22.1,18.8,18.2
1956,18.4,21.1,24.3,25,23.5,21.6,21.4,21.8,21.6,21,20,19.6
1957,18.5,19.9,23.5,24.7,23.8,22.4,22,21.6,21.4,21.7,20.5,19.1
1958,19.7,19.7,24.4,25.5,23.9,21.8,22.1,21.9,21.7,22.4,21.8,18.8
1959,20,21.3,24.2,24.4,23.9,22.4,21.4,21.4,21.4,21.3,19.9,17.5
1960,19.2,20.5,23.6,24.6,23.7,21.6,21.5,21.8,21.4,21.9,19.5,19.7
1961,19.5,19.3,23,24.8,24.1,22.3,21.6,21.1,20.8,20.9,18.6,18
1962,17.4,20.1,23.9,24.4,23.1,21.2,21.5,21.5,21.3,21.5,21.8,17.6
1963,18.6,22.6,23.5,24.7,23.4,22.6,21.5,21.5,21.6,21.7,18.6,17.2
1964,19.5,20.5,24.3,24.9,23.9,22.2,22.1,21.8,21.6,21.1,20.5,20.3
1965,20.5,22.5,23.6,24.9,23.8,22.2,22.2,22.1,21.6,22.1,19,17.8
1966,18.7,20.4,24.4,25.7,24.7,22.4,22.5,22.5,22,21.9,20.4,18.6
1967,18.2,22.2,24.1,24.7,24.1,22.1,22.2,22.1,22,22,20,20.7
1968,18.3,22.1,24.5,23.6,23.7,22.4,22.2,22.2,21.8,22.1,20.5,20
1969,18.4,22.5,25.8,25.3,24.4,23.2,22,22.3,21.9,22.3,19.3,17.8
1970,19.5,21.5,24.5,26.5,23.8,23,21.6,21.4,21.2,21.7,19.5,18.5
1971,17.6,21.8,25.3,24.9,23.5,22.2,21.1,21.1,20.7,20.1,18.7,19.1
1972,18.2,22.1,24.8,24.9,24,22.6,22,21.2,21.5,21.2,18.5,18.8
1973,19.6,22.5,24.4,25.5,24,22.4,22,21.9,20.9,21.7,18.2,18.2
1974,18.9,20.6,24.6,25,23.5,22,21.3,21.1,20.6,21.2,18.8,17
1975,17.4,21,24,24.5,23.2,22,21.2,21.4,20.8,20.9,19.5,18.4
1976,18.5,22.3,23.5,23.9,23.3,21.4,21.4,21,20.9,21.1,20,17.8
1977,19.2,21,23.7,25.6,24.6,23.3,22.3,21.9,21.7,21.2,18.6,18.3
1978,18.7,22.2,24,24.4,23.5,22.5,21.3,21.4,20.8,21.5,19,18.8
1979,19.3,20.4,25,25.4,24.3,21.8,21.8,22.2,21.1,21.9,20.2,18.3
1980,20.1,22.4,24.4,25.4,24.3,22.8,21.7,21.6,21.4,21.4,20.2,18.1
1981,18.6,22.3,25.3,25.7,24,23,22.8,22.5,22.5,23,20.2,19.1
1982,19,22.6,24.7,25.7,24.2,22.8,22.5,22.8,22.3,22.4,19.7,19.1
1983,18.6,23.2,24.9,26,25.4,23.4,22.7,23,22.4,22.1,20.6,20.8
1984,20,21.7,24.5,25.4,24,23.5,22.9,22.9,22.4,22.8,21.6,19.1
1985,20.9,21.6,26.9,26.2,24.8,23.4,22.1,22.6,22.2,22.2,21.1,19.2
1986,19.1,23.1,25.6,26,25.1,23,22.3,22.8,22.2,22.6,20.2,18.2
1987,20.4,23,24.8,27,25.6,23.5,23.3,23.3,23.3,22.8,20.7,20.5
1988,21.1,22.9,26.8,25.9,25.7,23.2,22.7,22.6,22.6,22.3,20.8,19.5
1989,18.5,21.1,24.1,26.6,25.1,22.9,22.7,22.8,22.4,22,20.2,19.7
1990,21,21.8,23.9,26.3,24.7,23.5,22.9,23.1,22.8,23.2,22.8,21.7
1991,20.8,23.9,25.4,25.4,23.8,23.2,22,22.5,22.3,21.3,19.9,18.7
1992,19.3,22.1,25.8,25.8,23.5,22.4,21.8,21.7,21.3,21.2,19,18.7
1993,17.6,21.9,24.1,26.1,24.7,23,21.6,22.1,21.2,21.6,21.7,19.8
1994,20.5,22.1,26.6,26.4,24.5,22.9,22.4,22.3,22.1,21.6,19.1,18.5
1995,18,20.9,25.7,25.9,24.5,23.5,22.7,22.2,21.7,21.6,19.3,20.1
1996,20.1,23.7,26.5,25,24.2,22.6,22,22.2,21.8,21.6,18.8,19.1
1997,20.7,20.5,25.5,27.2,23.4,22.1,22.3,22.1,22.4,22.3,20.7,19.5
1998,19.7,23.2,25.1,27.7,25.5,22.8,22.8,22.4,22.2,22.6,20.6,19.3
1999,20.4,21.8,25.3,25.2,24.5,23.4,22.1,22.2,21.4,21.6,20.9,19.2
2000,21.2,20.3,24.3,26.2,24.9,22.5,22.3,22,21.8,21.9,19.9,19
2001,19.7,21.2,24.9,26.5,24.2,23.4,22.5,22.3,22,22.7,21.4,20.2
2002,19.3,21.6,25.3,26.1,24.8,23.1,22.8,22.7,22.4,22.3,21,19.1
2003,20.9,24.1,25.3,25.3,24.4,22.9,22.2,22.7,21.8,22.8,20.5,19.7
2004,20.6,22.8,25.7,25.4,24.8,22.6,22.6,22.8,22.3,22.2,21.2,20.4
2005,19.4,25,26.8,26.9,25.3,23.6,23,22.6,22.4,22.3,21.3,20.4
2006,19.2,22.7,26.1,26.9,24.6,23.4,23.5,22.9,22.3,22.9,20.1,19.4
2007,18.6,22.3,25.1,25.6,24.7,23.4,22.7,22.5,22,22.5,21,19.9
2008,17.9,21.6,24.8,26.1,24.5,23.5,22.9,22.3,22.3,23.5,20.1,20.4
2009,19.6,24.2,25,25.1,24.6,23.7,22.6,22.9,22.6,23.8,20.1,18.9
