1901,21.9,23.2,26,26.8,26.4,24.8,23.9,23.9,24.2,24.4,23.4,21.7
1902,21.8,23.3,26.8,27.7,27.3,25.2,24.1,24.4,24.3,23.7,23.7,21.9
1903,21.9,23.4,24.5,26.5,25.9,24.5,23.6,23.8,23.5,22.7,22.1,20.9
1904,21.6,24.7,27,27.6,26,24.7,23.1,23.8,23.6,22.8,21.7,21.7
1905,21.3,21.2,25.1,26.6,27.1,24.9,23.9,25,23.6,22.9,22.4,20.2
1906,21.7,23.1,25.3,26.9,26.6,25.1,23.6,23.8,23.7,22.7,22.1,21.7
1907,22.6,23.7,26.2,26.8,25.7,24.8,23.4,24.1,24,23.1,21.4,21.5
1908,21.5,23,25.9,26.9,26.8,25.3,23.7,24.4,23.5,22.8,21.8,21.5
1909,22,23.8,26.5,27,26.8,25,23.9,23.8,23,22.9,22.7,20.4
1910,21.2,22.4,24.6,25.9,25.9,24.6,23.7,24.3,23.1,22.5,22,20.7
1911,22.1,23.3,25.2,26.4,24.7,24.4,23.4,24.6,24.2,23,21.4,20.8
1912,21.4,22.2,24.6,26.9,26.4,23.7,23.4,24.5,23.7,22.8,21.1,20.7
1913,21.5,23.1,24.9,25.3,25.6,23.3,23.3,24.4,22.9,22.5,22,20.6
1914,22.2,22.8,24,25.9,25.3,23.7,23.6,24,23.3,22.9,21.4,20.1
1915,20.8,22.9,23.7,25.4,26.8,25.5,24.1,24.6,23.3,23.1,22.3,21.8
1916,22.7,23.7,25.9,26.5,26.2,24.7,23.2,23.3,22.7,22.1,21,20.9
1917,20.8,22.6,24.3,25.3,26.1,22.8,22.9,23.5,22.4,21.6,22,19.6
1918,20.3,22.9,23,25.8,25.5,23.2,23.1,23.2,22.7,22.8,21.8,20.4
1919,18.8,22.5,23.9,24.9,25.8,24.3,23,24,22.8,22.5,21.8,20.5
1920,19.7,22.7,25.3,27.3,24.6,23.3,23.5,23.7,23,22.3,21.4,20.3
1921,19.8,21.7,24.4,26,24.8,24.4,23,23.8,22.8,21.5,21.3,20.4
1922,20.7,23,24.8,26.8,25.9,23.3,23.3,24,22.8,21.9,21.6,20.5
1923,20.6,22,24.4,26.3,26.8,24.4,23.3,24,23.4,21.9,21.2,20.8
1924,20.2,21.8,25.5,26.6,24.9,23.9,23.3,24.1,22.5,21.8,20.4,20.3
1925,20,22,23.5,25.5,24,23.2,23,23.8,22.6,23,20.9,19.4
1926,20,23,24.9,25.7,25.7,23.4,22.7,23.2,22.8,22.5,21.8,22.3
1927,20.9,22.7,25.3,26.9,27.6,23,22.9,23.9,23.3,21.6,20.9,20.7
1928,19.9,24.2,25.4,26.7,25.8,25.9,23.8,24.1,23.4,23,20.8,21.4
1929,21.5,25,25.7,29.4,26.3,24.1,22,23.3,22.7,21,21.8,18.3
1930,19.9,22.5,24.7,25.3,26.5,23.6,22.9,25.1,23.3,23.2,21.6,20.9
1931,19.9,22.8,24.8,26.2,24.9,25.8,23.6,23.9,22.6,23.3,22.2,21.1
1932,22.2,24,24.4,26.1,26.2,25.3,23.5,23.9,23.2,22.2,20.2,20.6
1933,18.3,23.1,24.1,28.3,28.5,25,24.4,22.4,22.8,21.6,20.5,19.4
1934,19.4,21.2,23.4,24.8,24.3,24.9,23.1,23.3,22.8,22,21.9,21.3
1935,20.5,21.3,24,26.5,25.6,22.8,22.5,22.7,23.3,21.3,22.3,21
1936,21.7,24.3,25.1,25.4,25.2,25.1,23.1,23.4,22.4,22.3,22.6,21.6
1937,23.4,23.8,23.9,25.5,23.8,23.3,22.6,23.5,22.9,21.8,21.6,19.8
1938,22,21.4,23.8,25.7,24.6,22.9,22.4,23.5,22,21.8,21.7,20
1939,20.2,23,23.2,25.9,25.6,22.7,22.6,23.2,21.7,21.7,20.2,20.4
1940,18.8,23.7,23.4,28.3,27.1,23.6,22.4,23.6,23.1,23,21.2,20.2
1941,20.3,22.7,23.8,27.8,26.2,26,24.7,26.2,23.2,23,22.3,21.5
1942,20.5,24.1,25.6,27.9,27.4,25.9,23.9,25.2,24,24.5,22.3,22.6
1943,21.7,22.8,25.2,27.6,27.4,24.4,25,25.9,24.6,22.5,21,21
1944,21.5,25.2,27.2,28.4,27.3,24.8,24.8,21.9,23.3,21.6,24.7,21.2
1945,22.7,24.6,28.3,28.3,26.9,27.2,24.9,24.3,24.6,23.5,24.5,22.9
1946,21.4,24.9,27.5,28.2,27.6,25.7,26.5,24.7,25.3,23.8,23.7,22.1
1947,23.2,24.2,27.3,28.3,25.6,26.5,24.4,24.5,23.3,23.5,24.1,21.7
1948,20.6,25.1,27.5,27.8,27.5,26.7,23.6,26.2,25.1,24,23.9,24.2
1949,23.7,26.2,26.7,27.6,27.4,26,25,26.2,22.7,24.9,23.5,24.1
1950,23.8,23.6,26,27.4,27.8,25.4,23.9,25.3,25.1,22.1,23.6,22.9
1951,23.1,23.9,26.1,26.8,25.6,25.4,23.3,24.4,22.7,23,22.7,23.1
1952,24.2,24.6,27.5,25.2,25.7,23.5,24.1,24.8,22.8,21.5,21.9,21.9
1953,23,25.1,27.4,28.5,27.8,25.7,24.4,25.5,23.8,22.2,21.5,20.7
1954,23.2,24.2,26.1,26.9,25.3,23.9,23.4,24.9,23.1,21.7,21.4,21.8
1955,22.5,23.4,26.2,28.3,27.2,25.3,21.2,23.9,22.1,21.6,22.1,21.4
1956,22.6,24.7,26.2,27.8,25.1,23,23,24.5,22.3,22.5,20.2,20.8
1957,22.9,25.1,26.7,27.4,26.5,25.3,23.5,24.4,23.6,22.5,20.4,20.8
1958,18.9,22.3,24.6,26.6,24.9,24.5,22.3,24.1,23,21.8,20.4,18.5
1959,19.7,23.5,24,25.4,26,24.1,23.3,23.7,24.1,22,19.9,20.4
1960,21.4,22.5,24.2,26.2,25.1,25.2,22.9,23.6,22,23.1,22.1,19.9
1961,19.7,23,25.5,26.5,26.7,24.4,23.1,24.6,23.7,22.6,20.9,21.8
1962,21.5,25.9,25.5,25.2,25.4,25.3,24.3,24.7,23.9,23,22.1,21.4
1963,21.7,23.1,25.8,27.8,25,25.1,23.1,23.5,23.2,21.1,21.5,19.9
1964,20,23.3,25.1,27.9,25.4,23.6,23.5,25,24,21.6,21.6,20.9
1965,21.4,22.6,24.9,27,26.2,24.4,24.1,22.7,24.4,21,22.3,20.8
1966,19.9,21.7,23.2,25.9,25.6,24,23.3,24.1,23.6,21,20.7,20.6
1967,20.7,22.7,26,26.6,26.2,24.7,24.3,23.8,22.2,21.2,21.7,22
1968,21.4,22,23.3,25.9,25.3,23.9,23.3,24,23.5,22.8,21.9,20.8
1969,21.5,24.6,23,27.3,26.5,26.3,24.5,21.7,21.8,23.4,21.7,22
1970,21,21.6,25.2,28.6,24.8,24.3,23.1,23.4,22.8,23.3,21.3,22.9
1971,23.6,23.4,25.8,26.4,26.7,25.1,22.9,23.5,23.6,23.3,22.1,22.1
1972,22.3,23.1,26.7,27.4,26.1,23.8,22.8,22.8,24.3,24.2,22.9,22.2
1973,22.1,22.8,27.6,26.5,26.4,24.3,22.8,22.8,23.2,22.5,23.2,20.9
1974,23,21.7,26.1,26.5,26.1,23.2,22.6,24.7,23.2,20.6,21.2,22.5
1975,19.7,24.7,26.9,28.6,26.1,25.2,23.5,25.3,23,24,22.8,21.7
1976,21.5,23.5,26.9,26.7,25.7,24.6,22.9,24.5,25.1,23.1,20.9,21
1977,20.9,22.3,26.3,25.3,26.6,24.9,24.3,25.6,24.6,23.6,21.9,21.4
1978,21.9,22,24.4,28.5,27.1,24.3,24.5,25.6,23.2,22.2,23.2,22.8
1979,20.9,22.6,25.3,27.7,25.8,24.8,24.4,23.7,21.5,25.1,21,20.7
1980,22.3,22.7,26.5,26,27.4,25.7,25.1,23.3,23.2,23.9,21.6,20.6
1981,19.2,22.4,24.4,27.4,27.2,22.9,22.9,23.9,22.8,23.6,22.9,21.7
1982,22.6,23.1,26.5,28.9,25.9,27.8,24.1,26,24.7,22.7,22.7,21.6
1983,20,22.1,25.6,25.9,28.6,27.5,23.9,25.2,24.1,23,22.5,21.7
1984,19.8,22.3,25.5,29.8,24.7,24.3,22,22.9,20.6,24.4,23.8,22.6
1985,20.5,22.6,25.6,25.7,26.5,24.8,23,24.7,24.6,23.7,23.4,21.8
1986,21.7,25.5,25,28.1,26,24.7,23.9,26.2,23.9,23.9,23.3,21.1
1987,21.9,24.6,24.8,25,26.9,25.3,23.6,26.3,25.9,23.7,23.4,22.9
1988,21.2,23.4,24.7,28.1,26.9,24.9,24.7,24.8,24.4,23.3,25.3,21.7
1989,25.6,24.8,25.3,27,26.9,25.7,25,24.9,22.3,24.1,24.8,20.8
1990,23,24.5,25.5,26.4,27.2,25.1,24.3,25.5,24.6,23.7,23.5,22.4
1991,23.2,23.3,28.6,28.6,27.2,25.3,24.6,25.3,23.1,23,22.1,21.6
1992,20.7,21.3,26.3,25.7,24.6,25.8,24.7,24.8,23.9,23.7,21.7,23.2
1993,22.7,25.1,26.2,27.4,26.1,25.3,23.8,25.2,23.8,23.5,22.4,23.2
1994,22.2,24.4,26.4,27.3,27.1,26,25.3,23.9,24.1,24,24.6,22.6
1995,22,25.2,26.1,27.5,27.7,25.7,23.7,24,23.8,24.4,23.1,22.7
1996,22.3,24.5,25.4,26.7,27.6,24.9,24.1,24.2,25.4,24.1,22.6,21.6
1997,21.7,24.3,26.4,26.4,25.8,26.3,24.4,26.7,23.9,23.5,22.7,20.9
1998,23.3,26.2,26.4,28.9,27.2,28.3,24.4,26.4,22.7,22.6,23.8,22.5
1999,22.5,24.1,26,28.9,27.2,25.6,23.3,25.4,22.9,22.3,21.4,20.6
2000,22.1,24.1,26.9,27.7,26.2,24.5,23.9,24.6,23.8,23.1,22.2,20.8
2001,21.5,24,25.8,26.7,25.9,25.2,24.4,24.2,23.1,23.1,22.2,21.3
2002,22.4,22.6,25.8,28.4,27,25.9,24,24.7,23.7,23.7,22.5,21
2003,22,23.7,26.5,27.9,28.1,25.4,24.1,25.8,24.5,23.2,22.7,20.9
2004,21.5,23.8,27.5,27.3,26.1,25,23.9,25.3,23.9,24.9,23.7,22.2
2005,23,23.8,25.9,29.1,26.8,25.9,24.7,24.4,24.2,23.5,23.3,21.7
2006,23.2,24.8,27.3,28.3,26.9,24.7,24,25.2,24.3,24.2,22.5,21.3
2007,21.8,23.3,26.4,28,26.7,25.6,24.8,25.1,23.8,22.5,22.7,22.7
2008,22.2,26.2,26,28.3,27.7,24.3,24.1,25.1,23.6,22.9,22.2,21.4
2009,23.1,25.6,26.9,28.1,27.2,26.6,24.9,25.7,24.2,24.9,22.1,20.8
