1901,20.6,23,24.9,25.4,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1902,21,22.8,25.1,25.6,24,22.7,21.4,21.4,22.1,22.9,22.1,21.1
1903,21.1,23.1,25.3,25.6,24,22.6,21.4,21.3,22.1,22.9,22.1,21.1
1904,21,23,25.1,25.5,23.9,22.7,21.4,21.2,22.1,22.9,22.1,21.1
1905,20.4,21.8,24.6,25.4,24.1,22.3,21.4,21.1,22.1,22.8,22.7,21.7
1906,20.4,23.1,25.5,26.9,24.1,23,21.3,21.1,22.8,23.3,22.5,21.8
1907,20.9,22.2,25,25.5,24.6,22.7,21.5,21.4,22.3,23.8,22.2,20.5
1908,20.8,22.6,25,25.9,24.7,23,21.7,20.9,22.2,22.8,21.7,20.7
1909,20.9,23.6,26.4,25.7,23.8,22.1,20.8,20.6,22.1,22.3,22.2,21.1
1910,20.4,23.3,24.9,25.4,24.2,23.7,21.8,21.4,22.5,22.8,22.1,21.1
1911,20.7,22.9,25.4,25.7,24,22.6,21.4,21.3,22.1,22.9,22.4,20.8
1912,21.2,23.1,25.2,26.3,24.3,23.1,21.9,21.7,22.7,22.9,21.9,21.1
1913,21.1,23.1,24.3,25.3,24.4,23.6,22.3,22.3,23.2,22.9,22.1,21.1
1914,22.2,22.8,24.9,25.5,24.8,23.5,22.2,21.6,22.7,23.4,23.3,21.3
1915,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1916,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1917,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1918,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1919,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1920,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1921,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1922,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1923,22.7,22.8,25.9,25.6,24.4,22.9,20.9,20.2,22.1,23.4,23.1,22.2
1924,21.7,25.6,26.8,26.2,24.6,22.7,20.2,20.1,20.6,22.9,22,20.6
1925,17.9,21.5,25.7,25.4,23.6,22.1,21.3,20.3,22,22.1,23,21.4
1926,21.9,23,24.7,24.6,23.6,22.4,22,22.4,23.7,24.3,23.7,22.4
1927,21.4,24,25,25.3,25,23,21.4,20.4,23.5,23.4,22.9,22.5
1928,21.6,21.3,25.9,25.1,23.3,21.9,21.5,19.8,22.4,23.1,22.6,20.6
1929,19.9,23.3,24.9,24.9,24.3,21.3,19.9,19.5,21,22.5,22.5,19
1930,20.2,24,25.3,25.8,24.2,22.6,21.2,21.6,22.7,24,23.5,23.9
1931,21.8,24.9,26.2,27.8,24.9,23,21.6,21.4,21.8,24.4,24.1,23.6
1932,21,24.3,27.6,27.1,24.7,23.1,21.3,21.7,22.3,24.1,23.7,22
1933,22,23.9,25.6,26.4,23.7,21.9,21,21,22.2,22.7,24.2,22.3
1934,21.1,23,26.2,26.5,24.3,23,21.8,21.1,23,24.6,24.6,22
1935,23,24.5,27.7,26.3,25.1,22.2,21.8,20.9,22.2,22.7,23.9,22.7
1936,20.7,24.8,28,25.8,24.2,22.4,20.3,19.7,21.3,23.3,23.8,21.1
1937,20.8,23.5,26.3,25.7,24.1,23.3,21.2,21.4,22.5,24.7,23.6,22.6
1938,21.8,24.1,25.8,27.3,25.9,24.3,22,20.9,22.3,23.9,24.8,20.6
1939,22.4,24.8,27,24.6,24.3,22.8,21.8,21.6,22.1,24.1,23.3,23.3
1940,21,23.1,25.3,25.6,24,22.7,21.4,21.3,22.1,22.9,22.1,21.1
1941,24.1,23.9,27.3,27.1,25.3,23.6,21.3,22,22.9,23.7,23.1,22.3
1942,23.4,25.4,25.9,26.4,23.4,23.6,22,20.6,23.1,23.9,23.4,22.3
1943,22,23.4,25.5,25.5,23.1,22.5,21.5,20.6,21.4,23.4,24.1,22.4
1944,19.7,23,25.3,25.2,23.7,23.5,22.2,20.8,22,23.4,22.8,22.8
1945,23,21.8,24.2,25.2,23.2,23.6,21.8,20.1,22.1,23,22.7,20.4
1946,22.8,22.9,25.6,26.3,24.1,22,21,20,20.9,22.5,23.1,21.4
1947,21.4,26.2,24.8,25.8,24,22.8,21.3,21.2,21.9,23.3,22,22
1948,21.2,23,23.7,25.5,23.7,21.8,21.1,20.8,22.1,22.6,21.7,20.9
1949,21.6,22.9,26.2,26,24.2,23.5,21.7,21.1,22.8,23.3,23,19.9
1950,22,21.7,24.2,25.3,23.9,23.7,20.7,19.8,20.9,22.3,21.8,21.7
1951,21,22.4,25.5,25.2,23.6,23,21,20.8,21,22.7,21.4,20.5
1952,21.6,22.2,24.9,25.6,23.8,22.7,20.9,19.9,20.8,21.8,21.3,21
1953,21.6,23.5,25.9,24.3,22.2,21.9,20.2,20.5,21.8,22.5,21.9,20.1
1954,21.6,23.9,25.9,26.2,22.8,22.1,20.6,19.7,21.3,22.1,22.5,21.3
1955,21.5,22.9,25.5,25.2,23.3,21.9,20.8,20.3,21,22.2,21.5,20.5
1956,20.4,24.2,26.4,25.1,23.7,22.5,20.4,19.6,21,21.3,22.1,20.8
1957,20.4,21.5,24.5,25.7,23.1,22.2,20.5,20.9,21.5,22.5,23.1,22.1
1958,22.5,22.2,25.6,26.4,23.9,21.9,20.3,20.7,21.5,22.4,23.1,22.1
1959,21.2,22.7,25.6,25.9,23.5,22.9,21.6,20.4,21.7,23.2,22.3,21.4
1960,21.1,23.1,25.1,25.8,23.3,22.8,20.7,21.6,22.1,23.1,22,23.3
1961,21.5,21.5,23.7,25.7,23.7,22.7,20.3,22.3,21.9,23,21.5,19.5
1962,20,23.5,26,25.8,23.6,21.9,21.2,20.5,21.9,23.1,23.9,22.4
1963,22.2,25.1,24.5,25.6,24.2,23.2,21.9,21.3,22.9,22.9,21.5,21.7
1964,21.7,22.7,25.9,26.5,24,22.2,21.1,19.9,21.4,22.6,21.3,21.2
1965,22.1,23.3,24.7,25.2,24.4,22.3,21.3,20.7,22.5,22.5,21.5,21
1966,21.6,22.3,25.1,25.6,23.1,22.2,22.2,21.4,21.2,22.4,21.8,21.1
1967,19.9,23.3,24.7,26,24,22.4,20.9,20.7,21.2,21.8,21.3,22.4
1968,20.3,22.9,25.2,24.4,22.8,21.8,20.4,22.1,22.8,23.5,22,21.9
1969,20.9,24.2,26.7,26.6,24.3,23,21,21.5,22,23,21.8,22.4
1970,22.1,22.7,25,25.9,23.8,23.3,21.6,21.1,21.7,22,22,20.6
1971,20.2,23.4,26.9,25.2,23.8,22.5,21.4,20.4,21.3,22.2,21.5,20.3
1972,21.2,23.6,25.8,25.5,23.9,21.6,22.5,22.9,22.8,23.6,21.3,21.6
1973,22.5,24.3,25.3,26.2,24.1,23.2,22.3,21.5,22.5,23.3,21.1,21.8
1974,20.5,22.8,25.3,25.7,23.6,22.9,20.6,20.8,21.2,22.1,21.5,19.6
1975,19.1,22.3,25.1,25.2,23.4,22.1,20.9,20.3,21.5,22.4,22.2,20.6
1976,20.7,23.6,24.7,25,23.8,22,21.2,20.7,21.7,22.6,21.9,21.5
1977,21.4,22.2,24.1,25.6,24.2,22.6,21.9,20.5,22.2,22.6,21.3,19.9
1978,21,23.6,25.6,24.9,24,21.9,20.4,21,21.9,22.9,21.9,21.2
1979,21.8,23.8,26,25.1,24,22.1,21.6,21,22.4,23.4,23.3,20.4
1980,22.3,23.4,25.6,25.9,24.1,22.2,21,21.1,22.7,23.4,22.9,20.1
1981,19.3,23.3,25.6,25.7,23.8,22.8,20.7,21.6,22.3,22.9,21.5,21.4
1982,21.3,22.3,24.7,26.1,24.5,23.1,21.2,21,22.3,23.1,21,21
1983,18.6,24.1,24,25.8,25.2,23,21.8,22.1,22.5,23.5,22.2,21.5
1984,20.4,23.5,25.8,26,24.1,23.2,21.9,22.9,22.4,23.7,22.5,20.3
1985,22.6,22.1,25.9,24.4,24.1,23.1,21.2,21.3,22.4,23.5,22.7,20.4
1986,20.6,24.4,26,26.5,24.4,23.2,20.5,21.2,21.9,23.1,22.5,20.1
1987,21.7,24.1,25.6,24.7,24.9,23.7,23.2,22.2,23,23.6,22.9,21.5
1988,21.2,23.4,26,26.3,24.7,23.7,21.3,20.9,21.9,22.8,22.3,20.4
1989,19.3,21.2,24.4,24.8,23.8,23.1,21.4,21.4,22.2,22.4,22.5,20.8
1990,22.4,22,23.9,26.3,24.4,23.8,21.2,21.7,22.7,23.5,23.7,23.2
1991,21.2,24.7,25.6,26.1,23.1,23.5,21.2,21.2,23,23.1,21.9,21.2
1992,20.1,22.3,26,26.2,23.3,22.4,21,21,21.8,22.8,22,21
1993,19.7,22.8,25.7,25.8,24.8,23.1,21.6,21.4,22.4,23.6,23.6,21.4
1994,21.1,22.6,25.8,26.1,24.4,22.6,21.1,20.7,21.5,23.1,22,20.1
1995,20.4,22.1,25.6,26.1,24.6,22.8,22.3,21.8,22.1,23.6,22.2,22.2
1996,22.6,24.7,26.7,25.5,23.7,22.5,22.3,21.5,21.9,22.9,21.4,21.3
1997,22.1,21.4,25,25,23.4,22.8,21.7,22,23.1,23.9,23.6,21.3
1998,21.4,24.5,25.5,27.1,25.3,23.5,22.7,21.3,22.1,23.7,23.5,22.2
1999,21.6,24.2,26.8,25.8,24,23.4,21.4,21,21.6,21.8,23.3,21.2
2000,21,21.4,25,26,25,22.6,21.6,21.5,21.8,22.7,22.9,20.9
2001,20.7,22.7,25.3,25.7,24.1,22.6,21.7,20.9,21.7,22.4,24.1,22.4
2002,20.7,22.8,25.6,26.2,24.6,23.1,22,21.7,22.4,22.9,23.1,21.7
2003,21.9,25.4,25.1,26.4,24.4,22.5,21.9,21.3,21.9,23.9,23.5,21.2
2004,22,23,25.3,26.1,24,23,21.3,21.8,23.1,23.9,22.9,22.4
2005,21.3,24.7,27.6,26.5,24.4,22.3,21.5,21.4,22.9,23.1,23,22.7
2006,22.5,24.6,25.9,25.6,24.6,23.9,22.4,21.8,22.1,23.4,22.4,20
2007,20.4,23.9,25.8,26.4,24.7,22.9,22.2,21.4,22.1,24.1,23.8,22.3
2008,20.4,22.1,25.9,25.7,24.3,23,21.3,21.6,22.7,23.5,22.7,22.6
2009,22.8,25,26.1,26.9,25.2,23.4,22.2,22.1,23.1,23.9,23.1,22.5
