1901,30.7,31.2,30.7,31.3,31.6,31.6,32.8,33.7,34,33.4,31.4,30.7
1902,30.6,30.7,30.5,31.4,31.8,31.8,32.8,33,33.9,33.2,31.6,31
1903,30.9,31.4,30.6,31.1,31,31.4,32.6,33,33.7,32.8,30.9,30.4
1904,30.2,30.4,30.2,31.1,30.8,31.4,32.4,33.2,33.3,32.8,31.4,30.7
1905,30.5,31,30.3,31.2,31.6,31.9,32.6,33.2,33.4,33.5,31.5,30.9
1906,30.5,30.9,30.5,31.4,31.5,31,32.5,33.3,33.5,32.9,31.5,30.7
1907,30.4,30.5,30.7,31.1,31.1,31.3,32.1,33,33.6,33,31.4,31
1908,30.8,30.8,30.7,31.4,31.4,31.5,32.5,32.6,33.5,32.4,31.1,30.8
1909,30.7,30.8,30.5,31.2,31,31,32.2,32.9,33.6,33,31.2,30.7
1910,30.1,30.4,29.6,30.9,30.8,31.6,32.3,32.9,33.5,32.5,31.3,30.4
1911,30.1,31.3,30.1,31.4,31,31,32.4,33.2,33.8,33.4,31.6,31.4
1912,31,31.1,31.4,31.9,31.5,31.9,31.9,33.3,33,33,31.2,30.3
1913,30.4,31.3,30.5,31.1,30.6,31.2,32.4,32.5,32.9,32.7,31.5,31.1
1914,31.3,31.5,31.1,31.3,31.5,31.6,32.9,33.2,33.7,32.7,31.3,31.4
1915,31.5,31.5,31.8,32.3,32.2,31.3,32.4,33.2,33,33,30.7,30.7
1916,30.5,30.5,30.3,30.8,30.7,30.4,31.6,32.6,33.3,32.3,30.1,29.8
1917,29.8,29.7,29.9,30.3,29.9,30.5,31.7,32.5,32.2,32.2,30.6,29.3
1918,30,30.4,31.1,30.6,30.9,31.7,32.3,33.4,33.8,33.3,32,31.6
1919,31.8,32.6,31.4,31.2,32,31.7,32.6,32.7,34,33.3,31.9,31.2
1920,31.2,31.5,31,31.4,31.2,30.9,32.4,32.7,34,34.1,32.2,31.5
1921,31,30.7,30.8,31,31.2,30.3,31.8,32.7,33.5,33.2,31.5,31.9
1922,31.4,31.5,30.8,31.5,30.7,31.3,32.1,32.9,33.5,32.6,31.3,31
1923,30,30.9,30.5,30.6,30.9,31.3,32.1,33.1,33.7,33.3,31.7,30.8
1924,31.9,31.7,30.9,31.5,30.9,30.9,32.2,32.7,33,32.3,31.3,30.3
1925,30.2,30.1,30,31.2,31.7,31.5,32.1,33.6,33.3,33.9,31.9,31.9
1926,32,32,30.9,31.4,31.1,31.6,32,33.5,34.1,33.8,32.6,31.5
1927,31.2,31.1,30.8,31,30.9,31.1,31.6,32.8,33.7,33.7,32.2,32
1928,31.5,31.7,30.4,31.3,31.7,31.6,31.8,32.9,33.5,33.2,32.4,31.6
1929,31.6,31.5,30.8,30.9,31.2,31.6,32,32.8,33.5,33.4,32,31.1
1930,30.7,30.9,30.4,31.2,31,31.5,31.9,32.6,32.7,33.4,32,31.9
1931,32,31.9,30.5,31.4,31.6,31.6,31.8,33.3,33.3,33.7,32.4,31.1
1932,30.9,31.4,30.6,31.3,30.3,30.6,32.5,33.1,33.6,33.7,32.4,31.5
1933,31.4,31.2,30.9,30.9,31.2,31,31.3,33,34,32.5,31.4,31.4
1934,30.4,30,30.8,30.9,31.2,31.6,32.3,32.5,33.1,33.1,31.7,31.4
1935,31.2,31.3,31,31,30.8,31.3,32.4,32.8,33.6,34.3,32.1,31.9
1936,31.1,31.9,30.7,31.3,32.1,31.5,32.4,33.1,33.9,33.7,31.9,31.7
1937,31.1,31.3,30.8,31.6,31.6,31.9,33.2,34.1,34.2,33.5,32.9,32
1938,31.5,31.5,31.2,31.8,31.3,31.4,33.1,33.5,34,33.6,32,31.6
1939,31,31.5,31.2,32.2,31.3,32.2,33,33.1,34,34,32.6,31.9
1940,31.4,32.2,31.6,31.9,32,32.1,33.7,33.3,34.2,34.1,32.9,31.8
1941,32.1,31.2,31.7,32.4,32,32.2,33.3,34.4,34.7,34.8,32.6,32
1942,32.4,31.9,31.2,32.6,32.6,32.1,33,34.5,34.9,34.5,33.1,32.2
1943,32.4,32,30.9,32.3,32.3,32.2,33.6,33.9,34.3,35,33,31.9
1944,31.4,31.5,30.4,32.4,32.5,33,33.2,35,34.3,34.6,32.9,32.3
1945,31.2,31,30.7,31.6,31.4,31.4,33.1,34.3,34.3,33.6,31.8,30.7
1946,31,31.1,30.8,31.1,30.8,32.4,32.1,31.7,34.3,34.2,30.9,29.9
1947,30.6,30.6,31.1,31.4,31.2,31,31.7,32,34.4,34.2,32.1,30.3
1948,32,30.1,29.2,30.6,31.9,32.2,32.1,34.3,34.3,33.7,32.1,31.2
1949,30.2,30.3,30.3,30.7,31.9,32.3,31.2,33.5,34.2,33.8,32.4,32.1
1950,30.1,30.7,29.7,31.1,31.9,32.2,32.8,34.3,34.6,33.7,32.8,30.3
1951,29.8,30.3,30.1,30.5,31.5,31.3,32.5,32.7,33.8,32.8,30.7,31.3
1952,30.6,31,30.6,30.4,30.6,29.3,31.2,33.7,32.8,33.2,30.1,30.4
1953,29.7,30.4,29.8,30.9,30.8,31.5,30.6,34.2,33.8,33,31.4,30.3
1954,30.1,30.5,29.7,31.5,30.6,31.8,31.9,33.1,34.3,32.4,31.2,30.6
1955,30.2,30.1,29.8,30.8,30.4,31.8,30.8,33.2,34.5,33.8,32,30.3
1956,29.8,30.3,30.3,30.3,29.7,30.2,31.8,32.2,33.3,32.2,31.2,30.7
1957,29.9,30.3,30.2,30,31.3,31,30.2,32.9,33.1,32.6,31.4,31.2
1958,30.5,31.2,30.7,29.9,29.3,31.5,32.4,32,34.3,32.2,30.2,30.6
1959,29.9,30.3,30.2,29.5,30,30.4,31.3,33,33.9,33.9,31.5,31
1960,31.2,31.2,31.1,29.9,29,30.3,30.8,32.6,34.1,32.1,30.9,30.7
1961,31.5,31.6,31.7,32.4,31.8,30.8,34.8,37.4,36.4,35,32.2,31.5
1962,31.6,31.1,31.3,32.2,31.9,32.6,32.7,34.4,35.7,34,33.5,30.8
1963,30.8,30.8,30.3,32.4,32.4,32.8,34.6,35.4,36.2,36.2,33,31.7
1964,32.2,32.7,31.3,32.6,31.1,32,33.4,34.6,33.4,32.6,30.8,31.6
1965,31.5,32.2,30.1,31.4,32,33.1,33.6,34.3,34.6,34.2,32,31.2
1966,31.8,31.7,31.4,32.3,32.2,33,33.4,32.5,33.8,33.6,31.8,31.1
1967,30.6,30.7,30.1,32,33,32.2,34.1,34.8,35.4,33.9,31.6,31.5
1968,30.8,30.8,30.2,31.1,31.2,33.3,34.4,32.9,33.7,33.4,32.2,31.5
1969,31.3,31.7,32,32.6,33.6,32.5,33.9,34.2,34.8,33.9,32.5,30.8
1970,31.5,31.8,30.7,32.1,32.2,32.1,32.8,34.6,34.5,33.6,32.9,30.8
1971,30,29.8,30.2,31.3,30.6,30.5,32.9,33.1,33.7,31.9,31.1,32
1972,30.4,30.6,31.2,31,31.3,32.8,31.3,31.6,32.6,32.7,31.3,31.6
1973,31.7,31,31.3,31.2,30.8,31.2,29.5,31.3,32.4,33.2,29.6,30.4
1974,30,30,30.3,29.8,30.9,30.8,31.4,32.3,33.1,31.7,31.8,30.1
1975,29.6,30,30.3,31.7,30.9,31.1,33.6,32.2,32.7,33.2,31,31.1
1976,30.4,30.3,29.7,30.6,30.3,30,31.3,33.9,32.7,33.8,31.2,31.5
1977,30.9,31.3,30.5,31.3,29.5,30.7,32.3,32.2,32.1,31.5,30.6,30
1978,30,30.8,30.4,31.3,30.6,30.7,32,31.7,32.7,32.8,31.8,30.4
1979,30.1,30.1,30.1,31.1,31.2,30,32.5,33.6,32.7,33.1,31.7,31.1
1980,31.5,31.2,30.8,31.1,31.2,30.4,31.5,32.4,32.5,32.1,30.6,31
1981,30,30.4,30.3,31.6,31.6,30.4,31.2,32.5,32.7,33,31.6,31.2
1982,30.6,30.5,30.2,30.9,30.3,30.8,31.8,32.6,32.2,32.9,31.3,30.8
1983,31.3,32.1,31.4,31.7,31.1,29.3,31.6,32.3,33.2,33.2,31.5,31.2
1984,30.5,31.4,29.8,30.5,31.1,30.7,31.8,31.6,33.6,33.8,31.8,31.1
1985,31.7,31.2,31.3,30.7,31.3,31,32.5,32,32.4,33.5,31.4,31.4
1986,31,30.3,30.6,31.3,30.9,31,31.4,32.9,32,32.4,31.6,31.3
1987,31.2,31.6,30.9,31.5,30.3,30.5,33.2,32.8,33.7,35,32,32
1988,31.4,31,31.8,30.6,29.9,29.9,30.9,35,34.1,34.1,32.2,30.9
1989,30,30.2,30,30.9,30.2,31.2,30.7,33.3,32.7,32.8,31.8,31
1990,30.3,30.1,30.8,31.3,30.4,30.4,30.1,32.2,32.4,33.4,31.4,30.9
1991,30.7,31.2,30.5,31.3,31.1,31,31.5,31.5,33,33,31.2,30.8
1992,31,30.9,29.7,31.2,31.8,32.8,30.4,31.6,32.7,32.8,30.7,30.5
1993,30.2,30,30.2,30.9,31.4,31.7,31.2,32,32.6,33,31.4,30.9
1994,31,31.2,31.4,31.8,31.5,31.6,31.8,33.2,33.6,33.5,32.2,31
1995,31.4,31.1,31,30.9,29.9,32,32.4,32.8,33.9,34.2,32,31.4
1996,31.6,31.1,30.4,31.3,31.1,30.5,32.3,33.1,32.9,33.3,30.9,31.6
1997,30.4,30.8,30.5,31.6,31.6,31.2,32.5,31.6,33.5,34,32.4,30.9
1998,32.2,32.7,31.6,31.9,31.5,30.7,33.1,33.8,33.2,33.8,31.4,31.5
1999,31,30.8,30.4,30.6,30.3,30.9,31.7,31.2,33,32.6,32.4,30.9
2000,30.8,30.9,30.3,31.8,31.4,31.2,30.8,32.6,33.7,33.3,31.9,31.3
2001,30.9,30.9,30.8,32,30.7,30.3,32.6,33.6,33.5,34,31.8,30.9
2002,31.4,31.2,30.9,32.1,31.8,31.2,32.5,33.2,33.3,33.9,32.2,31.2
2003,31.5,31.4,30.6,32,31.7,32.3,31.7,30.8,32.1,33.4,31.7,31.5
2004,30.9,31.2,31.5,32.1,30.5,31.3,32.4,33.2,33.1,33.7,32.3,31
2005,32.2,31.3,31,31.7,32,31.5,32.2,33.3,32.2,32.1,31.7,31.8
2006,31.2,31,31.3,31.9,30.6,32.3,33.8,33.7,33.3,32.9,31.7,30.9
2007,30.9,31,30.7,31.9,30.1,31.8,32.5,32.3,34.3,33.4,31.9,30.7
2008,30.5,30.5,29.9,31.1,30.7,30.3,34.1,33.9,33.1,33.8,32.3,31.2
2009,31,30.9,31.7,31.6,31.4,30.5,32.6,33.6,33.7,34.2,32.4,30.5
