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