1901,30.5,30.1,29.8,30.2,30.2,30.6,30.9,31.8,32.7,33.2,32.7,31.3
1902,30.1,30,30,30.2,30.4,30.4,30.6,31.7,32.7,33.2,32.5,31.6
1903,30.6,30.1,30.3,30.1,30.2,30.3,30.8,32,32.7,33.2,32.8,31.5
1904,30.1,29.7,29.6,29.8,29.8,30.1,30.4,31.8,32.6,33,32.4,31.4
1905,30.3,29.7,30.3,29.9,30.1,30.2,30.3,31.4,32.5,32.6,32.3,30.8
1906,30,29.7,29.7,29.5,29.9,29.9,30.3,31.1,32.1,32.5,32.2,31.2
1907,30,29.5,29.5,30.3,29.9,29.9,30.3,31.4,32.2,32.7,32.4,31.1
1908,30.1,29.7,29.8,29.7,29.8,30,30.4,31.4,32.4,32.6,32.1,31.1
1909,30.3,29.7,29.9,29.8,29.9,30,30.4,31.4,32.6,33,32.6,31.3
1910,30.4,30.1,29.8,29.4,30.1,30.2,30.7,31.4,32.7,32.8,32.4,31.3
1911,30,30.1,30.3,30.2,30.2,30.1,30.4,31.6,32.7,33.2,32.9,31.7
1912,30.4,30.2,31.2,30.9,30.3,30.7,30.6,32,32.5,33.4,33.2,31.3
1913,30.4,30.8,30.2,30.5,30,30.4,30.6,31.2,32.6,33,33.1,31.9
1914,31.6,30.4,30.7,30.5,30.4,30.7,31.3,31.8,33.1,33.4,33,32.1
1915,31.2,30.7,31.2,30.9,31,30.5,30.9,32,32.6,33.4,32.4,31.6
1916,30.6,30.2,30.5,30.4,30.2,30,30.9,31.9,32.8,32.9,32.6,31.3
1917,30.4,30,30,29.8,29.7,30.1,30.7,31.3,32.2,32.6,32.4,30.9
1918,29.9,29.8,30.6,30.2,30.3,30.5,30.7,31.5,32.6,33.2,32.9,31.7
1919,30.7,30.6,30.7,30.1,30.3,31,31,31.4,32.3,32.8,33,31.4
1920,30.6,30,30.4,30.3,30.2,30.3,30.6,31.4,32.8,33.7,32.6,31.1
1921,30.3,29.8,30,29.9,30,30.1,30,31.5,32.4,33.1,32.4,31.7
1922,30.4,29.7,29.8,30,29.7,30.1,30.2,31.3,32.2,32.6,32.4,31.1
1923,29.7,29.9,29.8,29.7,29.8,30.2,30.3,31.5,32.4,33.5,32.8,31.3
1924,31.1,30.7,30.6,30.4,29.7,29.7,30.7,31.3,32.2,32.4,32.6,31
1925,30.1,29.6,29.8,30.2,30.4,30.5,30.8,31.7,32.3,33.6,33,32.2
1926,30.9,30.6,30.8,30.3,29.8,30,30.8,31.8,32.7,32.4,32.7,30.9
1927,29.9,29.3,29.5,29.7,29.6,29.9,30,30.7,31.8,32.1,32.1,31.4
1928,30.2,29.5,29.9,29.8,29.8,30.3,30.2,31,31.8,32.5,32.2,31.1
1929,30.1,29.8,29.6,29.4,29.7,30.3,30.1,31.1,32.2,32.9,32.3,30.5
1930,29.8,29.5,30,29.7,30.1,30.2,30.1,31.4,31.9,32.6,32.4,31.1
1931,31.1,30.2,30.1,30.1,30.1,30.3,30.7,31.4,31.9,32.9,32.3,31
1932,29.9,29.3,29.9,30.2,30,30,31,31.1,32.1,33,33.2,31.2
1933,30.3,29.7,29.8,29.4,30.1,29.7,30.1,31.3,32.4,32,31.6,30.7
1934,29.6,28.9,29.6,29.5,29.8,30.1,30.9,31.3,32.5,31.8,32.2,31
1935,30.4,29.8,29.7,29.8,29.8,30.3,30.9,31.8,32.4,33.6,32.2,31.6
1936,29.9,30.3,30.4,29.9,30.7,30.8,30.9,31.8,32.6,32.7,32.8,31.5
1937,30.4,30,29.9,29.8,30.1,30.6,30.7,32,32.4,32.6,33.1,31.9
1938,30.2,29.8,30,30,29.7,30.3,30.9,31.4,32.4,32.7,32.3,31.4
1939,30.1,29.7,30.1,29.8,29.9,30.8,30.4,31.6,32.2,33,33.2,32
1940,30.6,30.4,30.6,30.2,30.2,30.7,31.1,31.4,32.3,32.9,32.9,31.7
1941,30.3,30.1,30.5,30.6,30.9,30.5,30.7,31.5,32.2,33,33,31.6
1942,30.7,30.4,30.4,30.2,30.3,30,30.2,31.6,32.9,33.1,33,31.3
1943,30.3,29.6,29.5,29.5,30.5,30.2,30.5,31,32.4,33.5,33,31.2
1944,30.1,29.4,29.8,29.7,30.1,30.7,31.2,32.7,31.9,33.1,33.2,31.6
1945,30.6,29.8,30.3,29.9,30.2,30.6,31,32.3,33.2,32.8,32.7,31.4
1946,30.3,30,30.3,30.3,30.5,30.7,31,31.4,32.6,33.1,32.7,31.8
1947,30.5,30,30.5,30.2,30.1,30.8,31,32,32.3,32.9,31.9,31.4
1948,30,29.4,30.2,29.8,30.3,30.8,30.7,31.8,32.1,33.3,32.5,31.5
1949,29.8,29.3,29.8,29.3,29.7,30.3,30.7,31.2,32.6,32.7,32.2,31.8
1950,30.2,29.6,29.8,30.3,30,30.7,30.9,32,32.8,32.8,33,31.1
1951,30.1,30.1,30.1,29.5,29.7,30.2,31,32.1,33,33,32.9,31.8
1952,30.6,30.4,30.8,30.5,30.2,30.3,30.9,31.6,32.5,33.1,32.3,31.6
1953,30.3,29.2,29.8,29.8,30.6,30.9,30.6,31.8,32.2,32.9,32.7,31.5
1954,30.4,29.7,30,30.2,30.7,30.8,30.7,32.1,32.5,32.4,32.1,30.9
1955,30.3,29.2,29.3,29.6,29.9,30,30.4,31.6,32.1,33,32,30.5
1956,30.1,29.1,29.6,29.3,29.8,30,30.1,30.7,31.5,32.1,31.9,31.1
1957,29.5,30.2,28.8,29.9,30.2,30.7,30.6,31.9,33.8,33.2,33.3,32.2
1958,31.2,30.6,30.4,30,31,31.2,31.4,31.8,33.1,33,32.1,31.4
1959,30.2,29.3,29.7,29.7,30.2,30.2,31,31.4,32.2,33,31.9,31.8
1960,30.5,30,29.9,29.5,29.9,29.9,30.3,31.4,32.1,32.4,32.1,30.8
1961,30.8,29.9,30.8,30.7,30.5,30.3,31.2,32.6,33.3,32.7,32.8,31.1
1962,30.6,30,30.6,30.1,30.5,30.4,30.9,32.1,33.6,33.6,32.7,32.1
1963,31.3,29.7,30.3,30.4,30.8,30.8,31.5,32.7,33.8,34.3,32.5,31.7
1964,31.2,30.7,30.7,30.6,29.9,30.6,31.1,32,33,33.1,32.9,31.1
1965,30.4,30.1,30.1,30,30.3,30.1,31.3,32.3,33.6,33.9,33,31.9
1966,31.2,30.8,30.9,30.8,30.5,31,31.2,32.2,32.3,34.1,32.7,31.9
1967,30.3,30,30.2,30.3,30.2,30.7,31.3,32.4,33.8,33.7,33,32.4
1968,30.7,30.4,30.1,30.6,29.7,30.6,31,32,32.1,33.4,32.3,31.9
1969,31,31.1,31.3,31.2,31.1,31.8,30.9,32.2,33.6,32.7,34,31.7
1970,30.8,30.4,30.4,30.4,30.8,30.9,30.9,32,32.5,33.9,32.6,32.1
1971,29.6,29.1,29.5,29.6,29.6,29.9,30.6,31.2,32.4,32.3,32,31.9
1972,29.8,29.3,30,29.8,30.3,30.4,30.8,31.4,32.9,33.2,33,31.8
1973,31,30.2,30.8,30.4,29.9,30.5,30.6,31.4,31.8,32.8,32.5,30.9
1974,30.3,29.5,29.7,30,30,30,30.2,31.7,31.6,32.9,32.4,30.6
1975,30.2,29.4,29.7,29.9,30,29.9,29.5,31,32.2,32.9,32.6,31.1
1976,29.6,29.5,29.4,29.7,29.5,30.1,30.5,31.8,33.4,33.2,32.8,31.7
1977,30.8,29.2,29.8,29.7,29.5,29.8,30.6,31.9,33.2,32.4,32.8,31.9
1978,30.2,30.1,30.1,30.3,30,30.2,30.3,30.9,31.8,31.8,32.8,31
1979,30.2,30.7,29.7,30.5,30.7,30.1,31,32.3,32.3,33,32.8,31.4
1980,30.3,31.1,30.4,30.1,30.7,30.6,30.9,31.3,32.4,32.5,32.2,32
1981,30.2,29.7,30.7,30.7,30.3,30.6,30,31,31.7,33.5,32.5,32.3
1982,30.1,29.9,30.1,30,30.2,30.8,30.9,31.7,32.7,33.4,33.2,31.2
1983,31.3,30.3,31.4,30.8,31.4,31,31.5,31.3,32.4,32,32.3,30.5
1984,29.8,29.4,30.1,30.1,29.8,30.6,30.6,31.4,31.6,32.5,32.7,31.3
1985,30.5,30,30.5,30.9,30.4,30,30.3,31,32.4,32.7,32,30.9
1986,30.3,30,29.8,30.5,30.6,30,30.3,32.4,32.2,32.2,31.9,31.8
1987,30.5,30.5,30.8,30.8,30.9,30.7,31.7,32,33.3,34.1,33.5,32.5
1988,30.7,30.6,30.9,30.8,30.3,30.3,30.6,32.1,32.8,33.2,32.2,31.5
1989,30.1,29.3,29.5,30,29.5,30.2,30.3,31.8,32.6,32.5,32.6,31.9
1990,30.5,30.1,30.3,30,30.6,30.7,30.5,31.9,33,34.1,33.1,31.7
1991,30.5,30.7,30.2,30.6,30.6,31,30.6,31.2,32,33.1,33.6,32.2
1992,30.8,30.5,30.6,30.9,31.4,31.3,30.9,30.8,32.6,32.8,33,31
1993,30.2,29.8,30.1,30,30.9,30.8,30.8,31.6,32.8,32.6,32.1,31.4
1994,30.2,29.7,30.3,30.3,30.4,30.2,30.9,31.8,32.5,33.3,32.8,31.6
1995,31.3,30.8,30.8,30.6,30.4,30.6,31.2,32.5,33,33.6,32.2,31.7
1996,31.4,30.2,30.4,30.3,30.6,30.2,30.6,31.5,32.9,33.1,32.8,31.8
1997,30.2,29.8,29.8,30.5,30.5,31.6,32.6,32.3,32.1,35.1,33.5,32
1998,31.5,31.8,31.9,31.3,30.8,31.1,31.2,32.5,32.7,33.8,32.8,32.1
1999,30.1,29.8,30,29.8,29.7,30.2,30.7,31.5,32.7,33.3,33.5,31.7
2000,30.1,30.1,30.3,29.7,30.7,30.6,30.8,31.5,32.6,33.3,33,31.9
2001,29.9,30.2,30.9,30.5,31.3,30,31,32.6,33.1,34.3,33.8,32
2002,30.9,30.4,30.8,30.1,30.8,30.4,31.9,32.5,33.6,33.4,33.1,31.6
2003,31.6,30.8,30.8,30.8,30.6,31,31.3,32.1,32.9,33.6,33.5,32.5
2004,31.1,30.7,30.6,30.9,30.7,31,31.1,31.8,33.4,33.7,34.2,32.7
2005,31.9,31,31.3,30.9,31.5,32,31.8,33.1,32.7,34.4,34.2,31.6
2006,31.1,30.7,31,30.7,30.4,30.4,31.5,32.5,33.7,34.3,32.7,32.2
2007,31.1,31.2,30.4,30.5,30.8,31.1,31.5,31.7,32.7,33.6,33.6,31.3
2008,30.4,30,30.1,30.6,30.1,30.5,31.2,32.5,32.8,33.1,32.8,31.7
2009,30.3,30,30.6,30.7,30.7,30.7,31.6,33.2,34.3,34.5,34.2,32.2
