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