1901,22.6,24.2,24.1,23.8,24.2,22.5,20.9,20.6,21.3,22.1,21.9,23.2
1902,23.4,22.6,23.6,22.2,22.7,24.7,22.3,22.4,22.1,22.1,21.8,21.5
1903,24.9,26.5,25.8,24.5,25.4,24.2,21.6,21.6,21,21.8,20.8,22.3
1904,21.5,25.2,25.5,24.1,24.2,25.4,20.5,20.9,21,21.7,21.5,21.2
1905,22.4,22.8,23.1,23.2,25.4,23,21.1,20.2,21,22.7,23.1,23.4
1906,23.7,24.7,24.3,25,25.5,24.3,21.1,21,21.7,23.6,21.1,21.6
1907,23.1,25.2,25.9,25.7,26.8,25.1,20.8,20.3,20.9,22.9,20.4,19.5
1908,22.3,23.5,25.2,24.8,26.3,25.3,20.8,20.7,22.4,25.1,19.5,19.8
1909,20.9,21.9,23.6,21.8,24.4,22.5,22.2,20.9,21.1,23.6,22.7,23
1910,24,25.7,26.3,24.6,26.8,25,22.2,21,20.8,23.5,23.8,23.7
1911,24.9,25.9,26.5,24.2,25.1,23.8,21.4,20.7,21.7,24.8,23.9,24.1
1912,24.1,23.6,25.4,23.3,23.9,23.8,20.8,20.2,20.9,21.8,21.8,21.4
1913,22.2,24.6,23.1,23.4,25.6,24.3,20.8,20.4,21.4,21.9,21.4,21.3
1914,24.8,23.2,24.1,23.5,26,22.9,20.1,19.8,20.9,21,23,21.8
1915,23.1,23.5,23.9,23.6,24,22.7,20.5,20.3,20.9,21.9,21.8,21.8
1916,22,23.4,23.8,23.7,23.8,22.5,20,19.9,20.7,21.3,21.6,21.5
1917,22.5,23.2,23.8,23.4,23.7,22.6,20.4,20.2,20.5,21.3,21.6,21.7
1918,22,22.9,23.1,23.2,23.8,22.6,20.5,20.3,21.3,21.8,21.8,22
1919,23.4,23.7,24.3,23.6,23.9,22.8,20.3,20.8,21,21.8,21.5,21.9
1920,22.2,22.4,23.4,23.5,23.5,22.9,20.3,19.5,20.5,21.8,21.7,21.8
1921,22.2,23,23.2,24.4,23.9,22.8,20.1,19.5,20.9,22,21.8,22.3
1922,22.8,23.4,23.6,23.8,23.8,23,20.2,19.9,20.7,21.7,22.1,22
1923,23.6,22.9,23.7,23.4,23.6,22.5,19.8,19.3,20.7,21.5,21.4,22
1924,22.8,23.7,24,23.6,24,22.9,20.2,20.2,20.9,22.1,21.9,21.9
1925,21.8,22.8,24,23.7,23.8,22.7,20.6,20.2,21.4,22,21.7,22
1926,22.3,23.4,23.5,23.7,24,22.9,20.5,20.5,21.4,21.9,21.6,21.9
1927,23.2,23.3,23.9,23.6,24.3,23,20.5,20.4,21.1,22.4,22,22.5
1928,23.1,23.5,24.2,23.6,23.9,23,20.6,20.2,21.3,21.9,21.7,22.1
1929,22.9,23.7,23.9,24,23.7,22.8,20,20.1,21,21.8,21.7,21.2
1930,22.1,23.7,23.5,23.5,24,22.5,20.3,20.3,21.2,22,21.4,21.9
1931,22.4,23.8,23.8,23.8,23.9,23,20.3,20,20.6,21.9,21.8,21.7
1932,22.8,23.4,24.1,23.9,23.8,22.9,20,19.8,20.6,22,21.9,21.9
1933,23,24,24.2,23.6,24.3,22.8,20.5,20.1,20.9,22,22.1,22.1
1934,22.6,23.2,23.8,23.9,23.9,22.7,20.2,20.2,21.2,22,22,21.6
1935,23.1,23.4,24.3,23.8,24,22.7,20.5,20.2,21,22.1,21.7,22.2
1936,22.7,23.7,24.2,23.9,24.3,22.9,20.5,20.2,21.1,22,22.3,22
1937,22.4,23.6,23.9,23.8,23.7,22.7,20,19.9,20.9,22,20.7,21.8
1938,21.9,23.8,24.1,25.6,24.8,22.4,19.5,19.3,20.3,21.3,21.9,21.8
1939,22.6,23,24.3,23.6,23.4,22.7,20.5,20.6,21.4,21.2,21.8,22.2
1940,22.6,23.1,22.2,24,24.5,23.6,20.5,20.6,21.8,22.6,22.5,23.2
1941,22.7,23.7,24,24.1,23.6,22.3,20.6,20,21.1,22.1,22,21.2
1942,22.5,23.9,23.6,24.4,23.4,23.1,19.3,19.3,20.6,22,22,21.8
1943,21.9,22,22.4,23,22.9,21.2,19.4,19,19.9,21.1,21.8,21.8
1944,22.7,22.8,24,24.2,24.6,23.1,19.4,19.8,20.5,22,20.7,21.3
1945,23.1,22.5,22.8,24.4,23.6,22.5,20.2,19,20.2,21.3,21.4,21.3
1946,23.2,24.7,23.6,24,24.9,22.1,20.7,20.2,21.8,23.3,22.6,23
1947,23.6,23.5,23.6,23.2,25,25.1,21.6,21,21.3,22.8,23.5,23.1
1948,24.5,23.3,24.5,22.7,23.7,20.6,19.8,19.2,20.6,20.7,20.2,21.4
1949,21.6,22.1,23.1,23.3,22.1,21,18.9,19.2,19.5,21.5,20.5,19.8
1950,22.1,22.6,23.8,23.5,24.4,22,19.7,18.9,19.7,20.7,20.7,20.9
1951,25.5,25.5,23.5,21.1,25.6,25.6,21,21.1,18.8,23.6,24.5,24.4
1952,22.9,23.5,25,23.7,27.2,25.2,20.9,19.4,23.3,22.9,25,24.2
1953,25.9,26.4,26.5,24.4,27.3,24.6,19.8,20.8,22.3,23.6,25.7,23.6
1954,25.9,26.3,25.7,26.8,27.7,23,20.1,19.9,22.2,21.4,24.5,24.2
1955,22.8,25.2,26.9,25.8,27.4,23.9,21.3,19.9,22.9,22.5,22.4,23.3
1956,20.9,23.6,25.4,22.5,24.1,21.8,18.8,18.5,19.5,19.4,19.9,20.8
1957,23.1,22.2,20.7,21.8,22.8,22.8,19.8,19.8,22.3,22.3,24.5,23
1958,23.3,22.3,26.4,24,26.1,22.6,18.9,20.1,20.7,21.9,22.1,22.7
1959,22.4,23.3,24.1,25.5,24,23.2,19.1,18.6,20.5,20.4,22.1,21.9
1960,21.9,24.2,22.8,24.4,23,23,20.7,20.2,20.8,21.3,22.2,23.2
1961,24.2,24.8,25,24.4,25.8,23.6,19.9,19.1,20.3,22.4,21,21.9
1962,23.5,25.5,24.6,24.8,25.3,23.2,20.2,19.1,21.1,22,21.7,21.7
1963,22.2,24.2,26.1,22.3,23,22.6,20.7,20.4,21.5,23.5,21.9,20.8
1964,22.5,23.9,25.9,24.3,24.3,22,19.2,19.1,19.8,19.8,20.8,19.1
1965,21.7,23.6,24.1,22.9,25.7,23.9,20.6,19.5,21,20.9,20.3,21.4
1966,22.6,22.1,22.8,23.5,25.4,22.2,20,20.2,20.6,21.6,21,22.3
1967,23,24.5,23.7,23.1,22.2,22.7,19,19.4,19.3,20.4,20.4,20.1
1968,22,20,23.5,21.9,23.8,21.9,19.7,20,20.8,21.6,21,21.9
1969,21.3,20.8,21.7,24.7,23.8,21.9,19.9,19.5,21,22.6,22.4,23
1970,21.5,24,21.5,24.1,25.7,23.7,20,19,20.3,21.4,20.8,21
1971,21,23.5,22.7,23.4,21.7,20.8,19.5,18.9,20,21.1,20,19.6
1972,22.2,20.9,23.1,21.4,23.5,22,20.2,20,21.1,21.8,21.7,21.7
1973,23.2,24.7,26.2,26.4,23.5,22.5,20.2,19.3,20,20.8,20.7,19.7
1974,21.2,22.4,21.9,23.7,22.8,21.3,19.3,19,19.7,20.9,20.3,21
1975,21.8,23.9,24.3,23.9,23.8,21.2,19.5,19,19.6,21.4,20.4,20.6
1976,21.4,23,22.9,22.3,24.1,23.9,19.3,20.5,23,22.5,22.2,24.2
1977,22.8,24.1,25.5,26.9,23.1,21.7,20.3,20.3,20.4,20.6,20.4,21
1978,22,22.6,22.3,23.7,23.5,22.5,19.5,20.4,20.4,21.5,21.8,21.3
1979,20.3,22.7,23,23.9,24,23.5,21.2,21.1,23,22.3,22.2,22.2
1980,22.9,24.3,24.5,24.5,25.3,22.7,20.6,20.4,23,24.3,25.1,26.1
1981,23.6,24.1,21.7,22.6,25,25,20.6,20.9,20.7,21.7,22.2,21.8
1982,22.5,23,23.9,23,23.8,23.8,21.2,20.3,21.5,21.3,21.6,21.7
1983,22.2,22.9,24.5,24,23.7,23.2,22.5,20.3,21,21.4,21.8,21.4
1984,22.5,24.5,25.2,26.9,24,21.5,20.5,21,21.2,22.5,22.4,21.2
1985,23.2,23.6,24.5,22.9,23.5,22.9,20.1,19.7,20.6,22.3,22.2,21.5
1986,23,23.3,22.8,22.4,24.3,21.7,21.4,21,21.3,22.2,22.4,22.3
1987,22.5,23.8,22.5,23.1,22.6,21.8,21.8,21.8,22.9,23.4,23.1,22.9
1988,23.3,23.8,25.7,24,23.4,23,19.9,20.7,20.6,21.4,21.6,21.6
1989,20.9,22.3,23.6,21.7,24.4,22.6,20.6,21.2,20.6,22.8,23.7,23.1
1990,23.9,22.6,23.1,23.4,26.3,23.5,21.5,21,21.5,23,23.4,23.5
1991,23.5,23.7,23.8,24.9,25.6,23.6,20.6,20.4,21.9,22.4,22.2,21.2
1992,23,22.6,24.4,24.2,24.5,22.5,20.8,19.4,19.5,20.8,20.7,19.6
1993,22.7,21.9,24.4,22.5,23.3,22.1,20.7,20.3,20.7,21.7,22,20.1
1994,23,23.8,24,24.2,24.4,23.5,20.3,19.9,20.8,21,21.5,21.3
1995,21.6,24.4,24.8,23.3,23.5,23.2,20.1,20.7,21.5,22.4,22.6,21.8
1996,22,25.1,23.7,22.9,23.8,21.1,20.9,21.3,21.3,22.3,22.1,23.6
1997,22.7,23,24,23.4,24.9,23.9,21.5,20.7,21.7,24.2,22.4,22.8
1998,23.8,24.5,24.2,27.1,24.1,24.6,22,20.7,22.1,21.6,22,20.2
1999,23.8,26.2,24.7,25.5,26,23.9,20.5,18.9,20.8,20.5,21.8,21.8
2000,23.5,24.3,23.5,24.1,25.2,23.1,21,20.4,20.9,21.9,26,22.6
2001,23.1,24.5,23.4,24.1,24,22,21.1,21.2,21.9,24.1,22.6,23.1
2002,23.4,23.9,24.8,24.9,25.2,23.9,23.1,21.7,21.4,23.7,22.5,23.3
2003,23.6,24.1,24.4,25.1,26.7,24,20.8,20.8,21.2,23.1,23.1,21.6
2004,24.1,24.8,24.8,23.8,26.9,23,21.5,21.1,21.9,21.5,22.9,23.5
2005,24.2,25.9,24.8,24.8,24.1,23.9,21.3,22.1,22,22.3,22.1,21.4
2006,23.2,24.4,24.2,24.1,24.7,23.4,21,20.1,21.5,23.6,22.6,21.7
2007,22.9,23.2,24.6,24.1,24.8,22.6,20.9,20,20.8,22.6,22.4,22.6
2008,24.4,23.8,22.9,25.7,25.1,22.6,21.3,20.7,22.1,22.8,21.4,21.8
2009,22.6,24.5,21.6,25.6,26.3,25.7,21,22,22.8,23.4,22.5,22.8
