1901,30.9,32.6,33.2,33.8,34.5,33.7,32.7,32.5,32.6,31.9,30.1,29.5
1902,30,31.1,33.3,34.4,34.7,34,32.7,32.5,32.3,30.8,30.3,29.9
1903,30.6,32.5,33,34.3,33.8,33.4,32.7,32.1,32.1,31.6,30.4,29.3
1904,29.5,30.8,32.4,34.4,34,33.2,32.3,32.4,32.8,31.4,30.7,29.2
1905,29.4,31.8,34.1,33.6,33.9,33.9,34,32.7,32.9,31.3,30.6,29.6
1906,30.3,32.7,33.2,34.8,34.8,33.4,33.1,31.6,32.8,31.2,30,29.6
1907,29.8,31.4,33.4,33.7,34.7,33.6,32.8,32.3,33,31.2,30,29.4
1908,29.9,31.2,32.9,34.8,34.4,33.6,32.8,32.3,31.9,31.2,29.6,29
1909,29.7,31.6,32.9,34,33.9,33.1,32,31.3,31.8,31.6,30.7,29.8
1910,30.1,31.5,32.7,33.9,34.8,33.4,32.5,31.9,32.3,31.4,30,29.1
1911,29.9,31.5,33.5,34.4,34.3,33.3,32.9,32.8,32.9,31.3,30.6,29.8
1912,29.4,32.3,34.2,34.3,34.7,33.7,33.2,32.7,32.7,31.4,30.6,29.2
1913,29.5,32,33.7,34.4,34.4,34.1,32.7,32.7,32.6,31.2,30,29.5
1914,30.1,31.7,33.5,33.9,34.5,33.9,33,32.1,32.4,30.9,30.4,29.8
1915,30.1,32.1,33.5,34,35,33.6,32.4,32.9,32.4,32,30.8,29.8
1916,29.9,31.8,33.3,34.5,34.2,33.1,32.1,32.2,32.2,31.6,30.8,29.3
1917,29.7,31.4,32.7,33.9,33.9,32.6,32.8,32.1,31.9,31.4,30.7,29.1
1918,29.6,30.5,32.4,33.2,33.6,32.8,33,32.7,32.5,31.7,30.8,29.9
1919,31.1,32.9,33.1,34.3,34.7,33.4,32.4,32.3,32,31.6,30.9,30.1
1920,30.4,32.7,34.3,34.3,34.8,34,33.3,32.7,33,32.3,31,29.7
1921,30.4,31.8,33.8,34.3,35.4,34.3,32.4,32.3,32.5,31.5,30.7,29.8
1922,30.3,31.3,33.1,33.8,34.3,33.8,32.9,32.5,32.5,31.3,31.2,29.5
1923,29.6,31.7,33.4,34.6,34.4,33.7,32.8,32.3,32.7,31.6,31.2,29.1
1924,29.9,32.1,33.6,34.5,35.6,34,33,32.4,32.3,32,31.3,29.6
1925,29.2,31.4,33.2,34.9,34.6,33.5,32.4,31.8,32.2,31.4,30.1,29.2
1926,30.1,31.8,33.9,34.7,34.2,33.6,32.5,32.3,32.1,31.4,29.7,29.6
1927,30,31.9,33.6,33.7,33.6,32.8,32.7,32.1,31.9,31.5,30.4,29.8
1928,30.4,32.5,33.1,34.2,34.7,33.4,32.2,32.1,32.7,31.5,30.1,29.7
1929,30.2,31.8,33.3,33.2,34,32.8,32.6,31.8,31.9,31.2,30,29.3
1930,29.8,32.3,33.5,33.9,33.4,32.8,33.2,32,32.1,30.5,30.4,29.9
1931,30.2,32.2,33.5,34.4,34.7,33.6,32.6,32.6,32.3,31.8,30.2,29.2
1932,29.9,31.7,33,33.9,33.7,32.9,32.5,31.6,32.2,30.8,30.6,29.3
1933,30,31.6,33,33.6,33.6,32.9,32.7,31.8,32.1,30.8,30.3,29.5
1934,29.9,30.7,32.7,34,34.3,33.3,32.7,32.4,32.7,31.3,30.4,29.1
1935,29.8,31.4,33.1,34.5,35,33.7,32.6,31.9,32.2,31.3,30.2,29.6
1936,30.6,32.4,33.5,34.6,34.5,32.9,33.2,32.8,32.3,31.3,30.5,30.1
1937,30.2,32.3,33.1,33.6,34.7,33.6,32.7,32.5,32.5,31.1,30.4,29.5
1938,30.7,32,33.7,33.8,34.8,33.1,32.5,32,32.2,31.3,30.2,29.3
1939,29.6,31,33,33.5,33.6,33.1,32.4,32,32.3,31.6,29.9,29.8
1940,29.4,31.4,34,34,34.4,33.5,33,32.4,33.5,32.2,30.5,30
1941,30.5,32.1,33.4,34.4,35,33.5,33,32.8,32.3,31.4,30.4,30
1942,30.5,32.2,33.4,33.8,34.8,33.7,33,32.5,32.7,31.7,31,29.6
1943,30.3,31.5,33.1,33.5,33.3,33,32.6,32.3,32.5,30.4,30.4,29.6
1944,30.3,32.3,32.7,33.6,34.4,33.4,33,32.8,32.9,32.5,30.6,29.4
1945,29.9,31.8,33.1,33.4,34,33.7,33.1,32.5,32.6,31.6,29.8,28.9
1946,29.5,31.4,33.1,33.7,34.2,33.3,33.1,32.4,32.2,31,30.8,30
1947,30.6,31.9,33,34.1,34.6,33.7,32.8,32.5,32,30.7,30.4,29.4
1948,30.1,31.7,33.1,34,34.5,33.2,32.9,32.7,32.9,31.7,30.9,29.2
1949,29.6,31.5,33.6,34.5,33.8,33.2,32.6,32.5,32.3,31.7,30.3,29.2
1950,29.6,31.9,33.5,33.8,34.7,33.3,32.5,31.7,32.2,31,30.4,29.6
1951,29.8,30.7,33.6,33.7,34.5,33.3,32.3,32.5,32.4,31.8,30.6,29.8
1952,30.1,32.2,33.5,34.3,34.4,33.4,32.6,32.5,32.5,31.8,31,30.4
1953,31,32.4,34.9,34.9,35.5,34.1,32.9,32.5,32.5,31.2,30.5,29.5
1954,30.2,32.1,33.3,34.2,34.7,33.5,32.1,31.6,32.3,30.6,29.9,29.4
1955,29.9,31.3,33.2,33.3,33.1,31.8,31.5,31.3,31.5,31.4,29.9,29
1956,29.3,30.7,33.2,33.8,33.6,32.1,32,31.9,32,30.4,30,29.2
1957,29.6,31.2,32.6,33.3,33.4,32.6,31.8,31.2,33.1,30.4,29.5,28.2
1958,30.4,31.4,33.4,33.6,33.1,33.2,32,31,32.1,30.6,30.4,30.6
1959,31,32.7,34.1,34.3,34.5,32.6,32,32.6,32.3,31.8,30.4,29.8
1960,30.6,31.3,33.3,33.6,33.8,33.5,31.8,32.8,31.7,31.2,29.8,30.4
1961,30,31.6,34.2,34.8,34,32.3,31.7,31.9,32.5,32,30.1,29.2
1962,29.5,31.4,33.5,34.1,33.9,33.3,32.4,32,32.1,30.2,30.5,30.1
1963,29.2,31.7,33.1,33.5,34.8,33.7,32.8,32.8,33.2,31.8,30.1,29.9
1964,31,33.2,34.5,35.2,35.4,34.3,32.4,32,32.6,32.2,30.4,30.4
1965,30.9,31.3,33.5,33.7,34.3,33.8,33.4,32,33,31.5,30.4,29.5
1966,30.4,32.6,34.2,34.4,34.7,32.9,32.5,32.4,31.9,31,31,30
1967,30.4,32,33.7,34.7,34.1,32.6,32.6,32.3,32.4,30.7,29.8,29.4
1968,30.2,31.7,33.2,32.8,34,33.2,31.8,32.4,32.2,31.9,29.9,29.6
1969,30,31.5,34.5,34.3,34.6,34.1,32.7,31.9,33.2,31.1,30.8,29
1970,30.1,32.2,34.1,34.1,34.4,33.5,32.7,32.1,32.4,31.4,29.6,29.2
1971,29.6,32,33.4,34.5,34.3,32.5,32.5,31.7,31.5,31.3,30.4,28.4
1972,29.6,31.5,33.4,34.2,32.9,33.9,33,33,32.3,31,30.9,30.1
1973,31.5,33.2,34.5,34.9,35.1,33.5,32.6,32.1,32.3,31.4,30.7,29.2
1974,30.2,32.4,33.9,35.3,34.2,34,33.1,32.6,31.9,31.8,31.2,30.4
1975,30.4,32.6,33.3,35,35.1,33.4,32.7,32.4,31.9,31.3,30.1,29.3
1976,29.6,31.2,33.4,34.3,35.5,34.1,33.2,32.4,32.6,31.7,30.1,29.9
1977,31,32.2,34,34.5,34.1,33.8,33.3,32.7,33.3,30.4,30.7,30.2
1978,31,32.3,33.9,34.9,35.3,33.7,33,31.9,32.6,31.5,30.8,29.1
1979,30.5,32.3,33.5,35.2,34.9,34.1,33.1,32.8,32,31.7,29.9,30
1980,31.2,32.1,33.9,34.8,35.7,34.3,33.8,33,33,31.9,31.1,30.5
1981,29.9,32,34.4,35.1,34.9,33.2,33.2,32.8,31.9,31.2,30.5,29.6
1982,30.5,31.7,33.7,35.3,34.8,34.1,33.8,33.7,33.9,32.1,30.4,29.9
1983,30.8,33,34.4,35.5,35.6,34.9,33.9,33.1,32.9,32.1,31.4,29.7
1984,29.3,31.7,32.6,34,35.5,33.8,32.3,33.2,32.2,32,30.5,30.3
1985,30.2,32.4,34.4,35.5,35.6,33.3,32.9,32.8,32.6,32.3,29.9,30
1986,29.6,32,33.7,35.3,35.6,34.5,33.9,32.4,32.9,32.1,31.3,29.8
1987,31.1,32.1,34.2,35,35.2,35.5,33.8,34,33.8,31.6,31.7,30.1
1988,31.2,33,34.9,34.4,36,34.2,33.6,32.9,32.9,33.1,30.3,30.9
1989,30.5,31.9,33.3,35.3,36,33.5,32.4,33.7,33.2,32.4,30.7,30.3
1990,30.2,33.3,34.7,35.9,34.5,34.1,33.5,33.2,33.5,31.9,31.7,30.3
1991,31.3,32.7,34.8,35.9,36.1,33.5,33.5,33.5,34,31.9,31,30.4
1992,31.1,32.9,34.1,35.6,35.3,34.4,33.6,33.2,33.3,32.4,30.7,30
1993,30.8,33,34.7,35.6,35.9,34.6,34,33.5,33.9,32.1,30.2,28.9
1994,31.2,32.7,34.8,35.1,36.1,34.6,33.5,33.4,34,31.9,30.5,30.2
1995,31,32.7,34.6,35,34.5,34.5,33.7,33.1,33.6,32.9,31.9,30.6
1996,31.8,33.6,34.1,35.2,36.2,33.4,32.8,33.1,32.6,32.6,31.5,30.2
1997,31.1,32.7,35.1,34.5,35.5,34.8,34.2,34,33.6,32.3,30.7,31
1998,32,34.5,35.2,36.1,36.2,35.4,33.4,32.9,33.4,33,32,30.1
1999,31.1,33.1,35.6,35.2,34.3,33.9,32.8,33.2,33.9,31.8,31.5,30.9
2000,30.7,32.8,34.7,36,36,33.8,33.6,32.3,33.2,32.4,31.8,30.1
2001,31,32.4,34.7,35,35.8,33.5,33.4,32.7,33.1,32,31.4,30.1
2002,31.1,32.5,34.6,35.3,35.6,34.4,34.1,33,33.5,32,30.8,29.9
2003,30.7,32.7,34.3,35.1,35,34.4,33.7,33.3,33.7,32.4,30.5,30.4
2004,31.1,32,34.2,35,33.9,33.8,33.5,33.7,32.6,31.7,30.3,29.8
2005,30.7,32.6,34.5,34.1,35,34.1,33,32.9,32.7,31.6,29.4,29.4
2006,29.4,31.4,34.5,35,35.2,34.3,33.8,32.9,33.1,31.8,31,30.8
2007,31,33,33.8,34.7,35.1,33.6,33,32.4,33,31.8,30.9,29.9
2008,30.7,32.9,33.2,34.3,35,33.9,33.3,32.5,33.2,32.1,31.2,30.5
2009,30.9,32.7,34.5,35.1,35.4,34.4,33.9,33.3,33.4,32.7,31.4,30.5
