1901,20.4,20.7,21.8,22,24,25.8,25.2,26.1,25.9,25.2,21.8,20.9
1902,19.4,20.1,21.9,22.7,24.7,25.6,25.8,26.2,26.1,25.5,23.7,22.1
1903,21.3,22.2,22.5,22.3,23.5,25.5,25.9,26.1,25.4,24.3,22.5,20.6
1904,20.8,21.3,21.9,22.8,24.2,25.3,25.2,25.4,25.4,24.6,22.4,21.7
1905,18.7,21.4,22.2,22.7,25.6,26.4,25.6,26.1,26,25.6,23.8,22.2
1906,21.1,20.9,21.7,22.2,24.2,25.4,25.8,25.5,25.6,24.8,23,20.7
1907,21,20.4,21.9,22.4,25,25.4,25.8,25.7,25.7,24.7,23.6,22
1908,20.4,19.9,22.2,24.1,24.9,25.2,25.6,25.5,25.6,24.2,23,21.9
1909,20.8,20.9,22.3,22.8,24.7,25.6,25.6,25.5,25.2,24.5,22.5,20.8
1910,19.7,20.1,20.6,21.9,24.1,25.1,25.5,25.6,25.2,24.4,21.7,20
1911,20.9,20.7,21.6,22.9,23.7,25.3,25.3,25.8,25.9,25.7,24.5,22.5
1912,21.7,20.2,23.2,24.3,25.4,25.6,25.5,26,26,25.3,23.1,22.9
1913,22.2,22.2,23.5,22.3,23.7,24.6,25.5,25.5,25.3,24.7,22.6,21.7
1914,20.5,21.2,20.4,23.2,24.3,25.8,25.8,26.4,25.7,24.9,22.9,22.7
1915,21.3,20.4,19.9,21.4,25.6,26.4,26.1,26.8,26.3,25.9,23.7,21.6
1916,22,20.8,21.2,22.3,25,26.1,25.2,26,25.8,25.1,23.1,21.7
1917,21.5,20.3,22.6,22.5,24.5,25.5,25.7,26.1,25.9,25.2,21.7,20.3
1918,19.9,21.7,22.5,23.3,24.1,25.7,25.7,26.3,25.9,25.7,23.5,22.3
1919,20.5,21.1,22.5,22.5,24.7,25.5,25.4,26.3,25.7,25.8,23.5,21.9
1920,21,20.1,21.6,23.9,25,25.9,25.8,25.9,25.7,24.4,23.4,22.3
1921,20.6,21.5,22.6,23.5,23.9,25.9,25.4,26,26.3,25,23.9,22.4
1922,20.9,21,22.7,23.4,24.2,25.7,25.1,25.8,25.6,25.2,23.7,22.6
1923,21,21.3,22.8,23.6,24.5,25.7,25.4,25.8,26.3,24.9,22.6,22.4
1924,21.9,20.4,21.6,24.3,25.4,25.5,26.1,26.5,25.9,25.2,23.1,22.9
1925,22.4,21.8,22.4,23,24.6,25.9,25.8,26.6,26.5,25.9,24.2,22.6
1926,21,21,22.2,24.4,24.6,25.6,25.6,26,26.1,25.3,23.5,22.5
1927,19.8,21.8,21.5,23,24.7,26,26.1,26,25.5,24.4,22.6,21.2
1928,19.7,21.3,21.7,22.7,23.4,25.4,25.8,25.6,25.7,24.5,22.7,20.9
1929,21.5,21.9,22.7,23.3,24.8,25,24.7,25.3,25.3,23.8,23.6,21.6
1930,21.6,20.9,21.7,22.8,24.5,24.8,25.5,26.1,25.7,24.5,22,20.9
1931,19.9,19.9,20.4,21.9,24.2,25.4,25.8,26.3,25.8,24.8,22.9,22.9
1932,21.8,22.3,21.7,22.3,24.4,25.3,26.1,25.8,26,24.6,22.1,21.9
1933,21.3,22.1,22.4,23.8,25.2,25.3,26.2,25.9,25.6,25.3,22.9,22.2
1934,21.5,20.7,21.5,23,24.4,25.3,25.7,25.9,25.9,25.2,22.9,21.7
1935,20.9,20.5,22.3,23.9,25.7,26.1,25.7,25.7,25.9,24.8,22.7,20.5
1936,21.6,21.3,21.3,23.1,24.3,25.1,25.9,25.7,25.8,26.1,23.6,22.3
1937,22.7,21.8,22.4,23.1,24.3,25.5,25.5,26,25.9,25,22.8,21.3
1938,21.1,21.5,22.2,22.8,24.5,25.4,25.5,25.4,25.6,24.7,23.4,21.3
1939,21.3,22.3,22.1,22.5,23.9,25.1,25.8,26,25.7,25.1,22.5,21.3
1940,19.3,19.6,21.3,22.5,23.9,25.7,26.5,26.2,25.3,24.2,22.9,22.1
1941,21.1,19.4,20.8,22.7,24.1,26.1,26.2,26.5,26.3,25.8,23.8,23.6
1942,21.3,19.9,22.3,22.5,24.7,25.9,26.5,26.2,26,24.8,23.8,22.7
1943,21.9,20.5,21.8,22.1,24.5,25.5,26.3,25.8,26,24.4,23.1,21.3
1944,20.4,21.8,23.1,23.5,24.1,25.7,26.3,26.4,25.9,24.3,22.2,20.9
1945,20.4,21.5,22.6,23.8,24.3,26.1,25.7,25.6,25.3,24.6,22.4,21.6
1946,21.5,21.7,22.5,22.6,24.9,25.6,25.8,26.1,25.8,24.9,24,22.4
1947,22.2,20.2,21.7,24.1,24.7,25.7,25.5,25.5,25.5,24.7,24.5,22.3
1948,21.5,22.1,23.6,23.4,24.2,25.6,25.9,25.9,25.9,24.7,24.2,22.7
1949,21.5,21.9,22.5,23.3,24.2,25.4,25.6,25.6,25.9,25.3,22.5,22
1950,21.6,20.9,22.3,21.6,24.2,25.4,25.9,25.4,25.2,24.6,22,20.6
1951,19.3,19.5,21.2,22.6,24.2,25.6,26,26.1,26,24.7,23.1,22.2
1952,20.7,20.5,22.8,22.3,24.6,25.8,25.6,25.8,25.6,24.5,23,20.6
1953,20.5,21.4,22.5,23.7,24.5,25.1,25.7,25.8,25.5,24.1,23,22.1
1954,21.4,20.6,21.3,23,24,25.1,26,25.7,25.1,24.2,22.2,20.4
1955,20.2,20.5,21.9,22.8,24.4,24.9,25.2,25.9,25.5,24.2,23.1,21.8
1956,19.9,21.3,21.5,22.9,24.5,25.1,26.2,25.7,25.2,24.4,22.2,21.7
1957,21.2,21.5,21.8,22.9,24,25.2,26.6,25.8,25.5,24.1,23.7,21
1958,19.7,18.9,21.9,23.3,24.4,25.6,26.2,26.3,25.9,24.6,24.4,22.1
1959,21.1,22.8,22.4,23,24,25.7,25.6,25.7,25.6,25.3,23.5,21.4
1960,20.9,21.2,21.3,22.8,24,25.1,26,25.6,25.4,25.4,23.5,20.7
1961,20.9,22,23.1,23.5,24.5,25.7,26,26.3,25.4,24.8,23.5,22.4
1962,21.6,22.1,22.3,23.6,24,25.2,26.7,26.3,25.8,25.2,22.5,20.9
1963,21.3,20.9,22.7,23,24.2,25.7,26,26.3,26.6,24.5,23.2,20.9
1964,21.2,21,23.3,23.9,24.6,25.7,26,26.1,25.9,24.5,23.5,22.7
1965,20.8,22.2,22.5,23.3,24,25.3,26.2,26.2,25.9,25.1,23.3,21.8
1966,20.8,21.1,21.5,22.7,24.3,25.1,25.5,26.2,26.4,25.2,22.3,21
1967,21.4,21,21.8,22.4,24.6,25.2,26.8,26.2,25.8,24.8,23.2,22.2
1968,21,20.1,20.8,22.5,24.3,25.5,25.8,26.2,25.5,24.9,23,21.3
1969,21.1,20.3,21.6,23.8,25.3,26.3,26.5,26.2,25.7,25.3,22.9,21
1970,20.3,19.8,21.8,23.7,24.4,25.7,25.8,26,25.6,25.5,22.3,22.1
1971,20.8,21.3,21.3,22.1,24.7,25.4,25.7,25.4,25.6,24.8,23.1,22.5
1972,22,21.1,22.1,23,24.4,25.1,25.8,26,25.3,24.5,24.1,22.4
1973,22,20.1,22.8,23.1,24.3,25.7,25.9,25.6,25.5,24.9,23.9,21.1
1974,23.2,20.9,22.3,22.7,24.5,25.2,25.6,25.6,25.7,24.2,22.8,21.5
1975,21.6,22.3,22.4,23.5,25.3,25.7,25.5,26,25.5,24.8,22.8,21.1
1976,19.6,21.2,22.5,21.9,24.1,24.8,26,25.9,25.9,24.3,22.7,21.8
1977,18.6,20.6,23.1,22.6,23.7,26.1,26.4,26,26.2,24.6,23.5,21.7
1978,20.3,18.5,20.8,22.8,24.7,25.9,26.2,26.5,26,25,24,23.3
1979,21.1,20.8,21.5,22.9,24.4,25.9,26.5,26.4,25.3,25.2,23.7,22.1
1980,21.2,19.9,22.9,23.7,24.7,26,26.3,26.2,25.8,25.5,23.6,20.6
1981,18.4,20.9,21.2,23.3,25.3,26,26.5,26,25.9,25.4,22.9,22.1
1982,21.4,22.2,23.1,23.8,23.9,25.5,26.3,26.2,26.5,24.8,23.3,22.2
1983,21.1,20.8,21.6,22.3,24.5,25.5,26,26.2,25.7,25.1,23.8,22.8
1984,21.2,21.5,22.2,23.6,24.6,25.1,25.7,25.9,24.9,24.3,22.9,22.1
1985,20,21,22,22.3,24.7,26.1,25.5,25.8,25.6,25.3,24,21.7
1986,20.6,21.2,21.6,22.2,24.1,25.5,26.5,25.8,26,25.1,24.5,23.2
1987,21,21.7,22.2,21.9,24.9,26.2,26.8,26.8,26.6,25.1,24,22.4
1988,21.3,20.8,22.1,23.5,24.3,25.8,26.1,25.7,25.2,25.2,24,22
1989,21.7,21.4,22.1,23.3,25.1,26,26,26.1,26.2,25.1,24.1,21.4
1990,22.3,22.4,22.6,23.1,24.7,25.9,26.3,26.6,26,25.3,23.6,22.5
1991,23.2,21.4,23.1,23.9,24.7,26.1,26.9,26.5,26.3,25.1,23.2,22.3
1992,21.3,22.2,22.3,22.6,23.9,26.2,26.4,26.1,25.7,25,24.4,22.2
1993,22,21,21.6,22.5,24.2,26.2,26.8,26.6,26,25.6,24.4,22.2
1994,21.9,22.4,23.3,24,25.5,26.7,26.4,26.5,25.8,25.7,24.4,22.8
1995,21.2,21.1,22.3,24,26.1,26.3,26.7,26.4,26.6,25.6,23.6,21.4
1996,21,20.7,20.8,22.6,24.3,25.2,26.1,25.8,25.9,24.6,23.3,21.9
1997,21.6,23.1,23.3,23.4,25.2,25.7,26.1,26.7,25.6,24.5,24.3,22.3
1998,22.2,21.7,21.8,23.3,25,27,27.1,26.9,26.6,25.8,24.4,23.4
1999,22.2,21.4,21.8,23.9,24.8,25.9,26.2,26.3,25.6,25.2,23.6,22.3
2000,21.4,21.4,22.9,23.2,25.1,26.2,26.8,26,26.4,24.9,23.6,21.8
2001,19.7,22.9,22.9,23.7,24.2,26.2,26.3,26.7,25.4,25.3,23.4,23.2
2002,22.1,21.7,23.4,24.2,25.3,25.8,26.4,26.5,26.5,26.2,23.8,22.5
2003,19.5,22.3,24.3,23.1,25.6,25.9,26.7,26.9,26.9,26.5,24.9,21.4
2004,21.1,21.8,22.6,22.7,24.5,26.4,26.6,26.6,26.2,25.5,24.5,22.1
2005,21,20.1,22.5,22.8,24.6,25.6,26.5,26.8,26.5,25.5,24.1,22.2
2006,21.2,19.8,22.5,23.6,24.8,26,26.7,26.9,26.4,25.8,22.9,23.4
2007,22.9,21.9,22.7,23.4,24.4,26,27.3,26.8,26.6,26.2,24.3,23.3
2008,21.4,22.1,22.8,23.1,25.2,26.3,26.4,26.2,25.8,24.9,22.4,21.8
2009,20.7,20.1,21.7,22.9,24.8,26,26.2,26.6,26.4,25.9,23.7,23.3
