1901,19.8,21.6,22.3,23.5,23.5,24.1,24,23.9,23,22.7,22.1,20.3
1902,18.2,21.2,21.9,23.2,23.9,24.8,24,23.7,22.9,22.6,21.8,21.2
1903,19.8,20.1,23,24.2,24.5,23.2,23.6,23.1,22.6,22.1,20.4,17
1904,16.7,18.9,21.5,22.4,23.7,23.9,23.6,23.9,23.5,22.9,20.9,18.9
1905,20.1,21.8,22.5,24.3,23.7,23.9,23.9,24.3,23.6,23.1,22.2,23
1906,21.1,22.2,22.5,25,25.2,24.5,24.2,24.2,23.9,22.5,20.9,20.2
1907,18.9,20.8,21.1,23.1,23.2,23.7,23.6,23.3,23.3,22.4,21.7,18.1
1908,18.8,20.2,21.5,23.3,23.5,23.8,23.6,23.3,23.2,22.6,20.3,19.7
1909,19,20.7,21.7,23.1,23.4,23.9,23.4,23.7,23.3,22.9,20.6,18.8
1910,19.7,19.6,20.9,22.9,23.6,23.6,23.8,23.7,22.6,22.3,21.4,18.4
1911,18.4,20.1,21.8,23.5,24,24,23.9,24.2,23.6,22.9,23.3,21.4
1912,19.5,20.9,23,23.8,25.1,24.5,23.5,23.2,23.1,22.3,20.4,19.8
1913,18.5,20.9,22.2,24.1,23.2,23.5,23,23.4,23.2,22.4,21,19.7
1914,18.2,21,22,23.9,25,23.8,23.3,23.2,23.2,22.4,22.1,20.7
1915,19.1,21.7,22.3,23.6,23.8,23.8,23.6,23.7,23,22.2,20.8,17.7
1916,17.4,20,22.4,23.3,23.8,23.5,23.6,23.3,22.9,22,20.1,18.5
1917,18.6,20.2,20.8,23.8,23.9,23.3,23.3,22.9,22.6,21.6,20.7,18.7
1918,18.2,18.7,21.1,22.5,23,23.8,24.2,23.6,23.5,22.6,22.5,21
1919,19.8,21.1,22.8,23.5,23.9,23.5,23.5,23.6,23.2,22.5,21.2,20.2
1920,17.5,20.4,22.1,23.3,24.3,23.9,23.5,23.8,23.2,21.9,22,19.9
1921,18.3,19.7,21.8,23,23.1,23.6,22.7,23.3,22.5,22.1,20.4,19.6
1922,19.3,20.8,20.7,23,24,23.7,22.8,23.2,23.5,22.2,20.6,19
1923,18.2,19.1,21.3,22.3,22.8,23.4,22.4,22.7,22.6,22,21.7,20.4
1924,19.3,20.3,21.9,22.7,23.6,23.6,22.6,23.4,22.6,21.4,22.2,18
1925,18.9,19.4,21.6,22,23.7,23.6,23.4,23.4,23.3,22,21.6,18.6
1926,19,20.7,21.6,23.9,24.7,24.3,23.6,23.1,23.1,22,21.4,20.1
1927,18.7,20.5,22.3,22.3,22.8,23.5,23.2,23.2,23.1,21.9,21.6,19.9
1928,20.2,20.2,21.7,22.3,23.4,23.4,23.2,23.3,22.8,21.7,21.2,20.2
1929,19.3,19.9,20.4,22.4,23.5,23.2,22.9,23.2,23,21.9,21.2,20.8
1930,19.4,19.8,20.7,21.9,23.8,23.7,23.1,23.4,23.6,22.5,21.4,20.1
1931,19.7,19.3,22.7,23.8,24.2,24,23.6,23.4,23,21.6,20.6,19.5
1932,17.8,20.6,21.4,23.3,24.4,24.4,23.5,24.4,23.3,22.5,22,19
1933,19.6,20.9,21.8,23.3,24.5,24.3,23.5,24.4,23.5,22.7,20.7,19.6
1934,18.4,19.4,21.7,23.4,24.7,24.6,23.8,23.5,23.6,22.5,22,18.4
1935,20,21,22.7,23.6,24,24.1,23.5,24,23.4,23.2,22.3,20.6
1936,18.7,20.3,21.6,23.6,24.5,24,23.7,23.5,23.3,22,21.1,20.9
1937,19.5,20.7,23,23.6,23.4,23.6,22.9,23.1,22.8,21.6,21.9,20
1938,19.6,20.7,22.1,23,22.1,22.1,22.4,23.9,23.3,22.1,19.6,18.8
1939,20.5,19.5,21.3,22.3,23.4,22.9,23.1,23.1,23.4,21.7,21.9,17.7
1940,15.7,19.2,20.4,22.6,23.3,23.6,23.6,23.1,23.1,22.7,22.1,20.7
1941,20,21.2,21.8,24.4,24,24.1,24,24,23.5,23,22.5,20.9
1942,18.8,21.1,22,23.2,23.1,23.7,23.3,23,22.7,21.8,21.6,19.9
1943,17.1,19,21,21.8,23.3,23,23,22.7,22.9,22.4,21.2,19
1944,19.2,20.5,21.2,23,23.3,23.3,23.1,23.3,23.3,22.7,21.8,18.9
1945,19,20.7,21.3,22.4,22.8,23.1,23.7,23.1,22.6,21.8,22,19.9
1946,18.4,21.9,22.9,23.2,24,23.9,23.3,23.1,23,22.1,21.5,20.9
1947,20.5,21.2,22.6,23.7,24,23.7,23.6,22.8,23,22.5,21.4,19.5
1948,19.4,21.5,22.7,23.2,24.1,24.4,24,24.2,23.6,23.1,20.7,20.1
1949,17.9,20.2,22.3,23.3,24.4,24,23.5,23,23.6,22.6,21.3,19.8
1950,18.2,19.8,22.4,23.1,23.8,23.2,22.7,23.4,22.6,22.8,21.4,18.8
1951,18.2,18.7,20.7,22.4,23.3,22.8,22.4,23.1,22.9,22.4,22.1,20
1952,18.5,20.6,21.4,22,23,23.3,23.1,22.6,22.4,22.2,20.8,17.6
1953,19.5,20.8,21.3,22,22.8,22.7,22.5,22.8,22.4,22.1,21.1,19.9
1954,19.4,20.1,21.4,22.5,23.6,23.4,23.1,23.3,22.2,21.6,19.8,18.9
1955,18.6,19.7,21.4,22.4,23.5,22.7,23,22.5,22.3,21.5,20.8,17.7
1956,16.8,19.2,21,22.1,22.4,23.1,22.5,22.7,22.1,21.4,20,18.6
1957,18,19.6,21.5,23.4,24.5,24.2,23.6,23.6,22.8,21.8,21.1,19.9
1958,19.4,20.4,21.7,22.9,24.4,23.6,23.3,23,22.9,22.2,20.3,18.5
1959,18.5,21.1,21.8,23.6,23.5,24.2,23,23,23,22.5,21.5,21
1960,19.4,20.1,22.2,23.8,23.9,23.6,23.5,23.8,23.4,22.5,21.5,19.6
1961,18.5,20.8,21.2,23.1,23.4,23.6,23.5,23.4,23.1,22,21.1,19.7
1962,19.6,19,21.9,23.4,24,24.2,23.9,23.1,23,22.6,20.8,19.3
1963,17.1,22.3,21.7,23.9,24.2,24.1,23.4,23.9,23.4,22.3,21.6,20.4
1964,19.8,21,21.1,24.6,23.5,23.6,23.6,23.4,23.2,22.4,20.8,19.3
1965,17.6,21.1,21.2,23,23.7,23.3,23.5,23.2,23.3,22.5,21.7,21.3
1966,19.8,20.9,21.9,23.3,24.3,24.2,23.9,23.8,23,22.4,21.5,21.2
1967,19.6,19.6,20.5,22.3,23.4,23.8,23.4,23.2,23.6,22.4,21.6,18.9
1968,18.6,20.4,21.4,22,23.3,23.6,23.7,23.7,23.1,22.2,21.4,20.7
1969,20.8,20.9,22.3,23.1,24.1,24,23.5,23,23.2,22.7,21.3,19.7
1970,20.2,20.4,21.8,22.8,23.9,24,23.2,23,23.6,22.6,22,21.3
1971,18.4,19.4,21,22.4,23.4,23.4,22.7,23,23,22.2,20,21.1
1972,17.6,20.6,21,22,24.3,23.9,23.7,23.1,23.4,22.6,22.4,20.8
1973,19.5,20.8,22.2,23.4,23.5,23.9,23.5,23.1,23.2,22.4,21.5,19.7
1974,18.1,19.9,21.2,22.6,23.1,23.3,23.4,23.2,22.7,22.5,21.9,20
1975,20.8,20.1,22,23.2,23.4,23.4,23,23.3,22.8,22.5,21,18.6
1976,17.7,19.8,21,22.5,23.1,23.6,23.9,23.1,23.1,22.3,20.6,19.6
1977,19.8,20.2,21,22.7,23.7,24.1,23.7,24,23.5,22.8,21.5,19.8
1978,20.6,21,22,23.1,24.1,24.4,23.9,23.7,23.2,22.2,21,20.2
1979,20.2,21.3,22.4,23.6,24.5,24.5,23.9,23.7,23.4,22.3,21.5,19.5
1980,18.9,21,22.4,23.9,24.6,24,24,23.1,23,22.4,22.2,19.6
1981,17.9,20,21.6,22.8,23.3,23.3,23,22.7,22.4,22.2,21.2,18.8
1982,17.4,20.6,21.7,22.6,23.1,23.1,22.3,22.3,22.2,21.5,21.7,18.7
1983,18.9,20,22.1,23.9,24,23.9,23.7,23.3,22.5,22.4,20.7,20
1984,19.1,21.4,21.8,23.4,23.3,23.2,22.8,23.1,22,21.8,21.7,20.7
1985,19.6,21.1,22.2,23.2,23,23.1,22.4,22.7,22,22,21.6,19.7
1986,18.4,19.9,21.2,23,23.2,23.5,23.1,23.1,22.9,22.4,21.7,20
1987,19.7,20.2,21.8,23.5,23.7,23.6,24.1,23.2,22.9,22.8,22.1,18.9
1988,19.8,21.9,23,23.4,23.8,23.4,23,23.5,22.8,21.7,21.3,18.9
1989,20.8,20.2,21,23.3,23.4,22.9,23.2,22.5,22.5,21.9,21.8,18.4
1990,20.3,20.9,21.9,23.8,23.4,24.1,23.2,23.4,22.9,22.5,21.6,20.2
1991,20.5,20.6,22.9,23.9,23.7,24.3,24,23.6,23.8,22.1,21,20.8
1992,19.3,20.2,21.8,24.1,25.1,24.5,24.1,23.6,23.9,22.1,21.1,20.3
1993,20.3,19.9,22.3,23.6,23.3,24.8,24.5,24.3,23.8,22.9,22,20.7
1994,20,21.8,22.5,24.2,24.4,24.2,23.7,23.6,23.8,22.1,22.9,22.6
1995,20.8,21.4,22.8,24,25.3,25.5,24.1,23.8,23.8,22.5,22.6,20.5
1996,20.2,20.8,22.4,23.7,23.8,24.5,23.4,24.1,23.1,22.8,22.6,20
1997,18.8,21,22.2,22.9,24.2,24.8,23.9,23.6,23.7,23.6,22.5,22.2
1998,21.6,22.5,22.9,24.6,25.3,25,25,24.3,23.4,23.4,23,21.8
1999,21.7,21.2,22.9,23.1,23.6,23.8,23.5,23.4,23.1,22.6,22.6,19.7
2000,21.1,20.6,22.3,23.5,23.7,23.6,23.6,23.6,23.1,23.1,22.2,22.2
2001,21.4,20.6,22,25.4,23.2,23.5,23.5,23.3,22.7,22.3,20.3,20.6
2002,19.5,22.3,22.6,23.4,23.3,23.6,23.7,22.7,22.7,22.7,22.6,21.8
2003,19.6,20.8,22.1,24.5,23.4,23.6,23.9,23.3,23.5,22.1,21.6,19.4
2004,19.6,20.4,22.4,24.5,23.5,23.2,23.5,23.3,22.6,22.1,21.4,19.3
2005,20,21.3,22.1,24,23.9,23.7,23.4,23.5,23,22.8,22,21.5
2006,19.8,21.4,22,23.4,22.9,23.6,23.5,23,22.6,22.6,21.6,20.4
2007,21.1,21.1,22.9,23.7,23.1,21.6,23.2,23.4,23.1,23,21.1,20.6
2008,20.6,21.3,21.5,22.8,23.1,23.7,23.2,23.6,22.8,23,22.4,20.3
2009,19.1,21.2,22.7,23.6,23.4,23.7,23.3,24,23.5,22.6,21.6,21.4
