1901,30.7,31.2,32.4,33.3,32.5,31.2,30.6,30.4,30.3,30.2,29.9,29.7
1902,29.8,31.1,32.4,33.2,32.7,31.8,30.9,30.5,30.2,30.3,29.9,30.5
1903,30.9,30.5,33.2,34,33.1,30.7,30.6,30.1,29.9,29.9,28.9,27.5
1904,28.6,29.6,32,32.6,32.6,31.2,30.6,30.7,30.6,30.5,29.3,28.8
1905,31.3,31.8,32.8,34,32.7,31.2,30.8,31,30.7,30.6,30.2,31.9
1906,31.9,32.1,32.9,34.5,33.7,31.7,31,30.9,30.9,30.2,29.3,29.9
1907,30.3,31.1,31.8,33.1,32.3,31,30.6,30.2,30.5,30.2,29.9,28.3
1908,30.3,30.7,32.1,33.2,32.5,31.2,30.6,30.3,30.4,30.3,28.9,29.5
1909,30.4,31,32.2,33.1,32.4,31.2,30.4,30.6,30.5,30.5,29.1,28.8
1910,30.9,30.2,31.7,33.1,32.5,31,30.7,30.6,30,30.1,29.7,28.5
1911,30,30.6,32.2,33.5,32.8,31.4,30.9,30.9,30.8,30.5,31.1,30.9
1912,31.1,31.3,33.6,33.7,33.9,31.9,30.5,30.1,30.4,30.1,28.9,29.6
1913,30.1,31.2,32.8,33.8,32,30.9,30.1,30.2,30.4,30.2,29.3,29.6
1914,29.7,31.3,32.6,33.9,33.9,31.1,30.4,30.4,30.4,30,30.2,30.4
1915,30.6,31.9,32.8,33.7,32.9,31.6,30.6,30.9,30.2,30.1,29.3,28.1
1916,29.3,30.7,32.8,33.5,32.6,30.8,30.4,30.3,30.1,29.8,28.7,28.7
1917,30.2,30.5,31.5,33.7,32.6,30.7,30.3,29.8,29.9,29.5,29.2,28.7
1918,29.1,29,31.6,32.5,32.1,31,31,30.5,30.6,30.3,30.5,30.4
1919,31,31.4,33.4,33.7,33,31,30.4,30.3,30.3,30.1,29.5,29.9
1920,29.2,31,32.6,33.4,33.1,31.4,30.5,30.7,30.5,29.8,30.3,29.7
1921,29.8,30.3,32.4,33,32.1,31,29.9,30.2,29.9,29.8,28.9,29.4
1922,30.9,31.2,31.5,33.2,32.7,31,29.9,30.1,30.7,29.9,29.3,29.2
1923,29.8,30,31.8,32.6,31.8,30.7,29.7,29.6,29.8,29.8,30,30
1924,30.8,31,32.3,32.9,32.6,30.9,29.8,30.3,30,29.4,30.1,28.1
1925,30.5,29.9,32,32.3,32.7,31,30.4,30.4,30.4,29.7,29.7,28.4
1926,30.4,31.1,32.2,34.1,33.5,31.5,30.6,30.1,30.4,29.8,29.7,29.9
1927,30.3,30.9,32.9,32.6,32,30.8,30.2,30.2,30.3,29.7,29.9,29.8
1928,31.8,30.6,32.8,32.9,32.7,30.9,30.5,30.4,30.2,29.4,29.4,30.4
1929,31.1,30.7,31.4,32.8,33.2,31,30.3,30.3,30.3,29.9,29.4,30.5
1930,30.1,30.9,31.5,33.5,32.8,31.3,30.5,30.8,30.6,30,30.1,30.4
1931,31.5,31.4,33.6,34.5,33.3,31.7,30.7,30.8,30.4,29.2,29.4,29.6
1932,29.7,30.9,31.6,33.5,33.4,31.4,30.3,30.9,30.1,30,29.9,29.3
1933,29.7,31.9,32.2,33.5,33.3,31.8,30.5,31,30.6,30.1,28.8,29.7
1934,29.3,29.7,31.5,32.8,33.3,31.5,30.4,30.6,30.6,29.4,30.2,29.4
1935,31.6,32,33.4,33.9,32.7,31.5,30.7,30.7,30.4,30.6,30.6,30.1
1936,30.2,31.4,31.5,33.9,33,31.3,30.8,30.3,30.6,29.3,30,31.2
1937,31.8,31.9,33.9,34,32.2,31.1,30.3,30.7,30.1,29.6,29.5,30.2
1938,31.2,31.8,32.2,33.2,32.4,31,30.3,30.5,30.3,29.7,29.7,30.2
1939,30.6,31.8,32.3,33.5,32.7,31,30.9,30.6,30.4,30.7,30.2,27.4
1940,30.4,31.8,32.8,35,33.3,31.7,31.1,30.6,30.9,31.7,30.7,30.7
1941,32.6,32,33.8,34.8,34,31.7,30.6,30.9,31.1,30.5,30.9,31.2
1942,30.1,31.2,33,33.6,32.5,31.1,30.4,30.5,30.4,29.9,29.5,29.7
1943,30.1,31.1,32.6,32.5,32.6,31,30.6,30.8,30.1,29.9,29.4,29.2
1944,31.1,31.6,32.7,33.9,32.8,31.2,30.2,30.3,30.5,30.2,29.7,28.7
1945,30.9,31.6,31.8,33.1,32.7,31.2,30.7,30.9,30.5,29.7,30.6,30.5
1946,31.1,31.2,33.3,33.1,32.5,31.3,30.8,30.2,30.4,30.7,30.1,31.6
1947,32.5,31.9,32.9,33.1,33.5,31.4,30.4,30.8,30.8,30.4,30,30.4
1948,30.5,31.7,33.1,33.4,33.4,31.4,30.8,30.6,30.6,30.3,29,30.3
1949,30.5,31.4,33.1,33.2,33.4,31.6,30.7,30.7,30.4,30.1,29.8,30.9
1950,31,30.9,33.4,33.7,32.6,30.4,29.6,30.7,29.5,29.7,29.1,28.1
1951,30.5,31.2,32.8,33.8,32.7,31.4,30.6,30.6,30.5,29.9,30,29
1952,30.5,31.8,32.2,33.4,32.9,31.1,30.6,30.1,30.6,29.9,29.8,28.6
1953,31.3,31.4,32.4,33.7,32.6,31.1,30.2,30.6,30.4,31.3,29.5,29.4
1954,31.5,32,32.8,33.7,32.4,30.8,30.3,29.8,29.6,30.2,29.5,29.7
1955,30.2,31.3,32.1,32.6,32.7,30.3,30.8,30.7,31,30.4,28.3,29.1
1956,29.5,31.1,32.4,32.9,32,31,30.2,30.3,30,30.6,28.7,28.9
1957,30.7,31.1,31.8,33.2,33.8,31.7,30.5,30.3,29.9,29.7,30.4,30.8
1958,31.5,31.2,32.9,33.9,33.8,31.4,30.6,30.5,30.3,30.2,29.3,29.8
1959,31.5,31.7,31.9,33.1,33.2,31.7,30.2,30.4,30.1,29.9,30.3,31
1960,31.1,31.6,32.9,33.9,32.9,31,30.7,30.7,30.3,29.9,29.9,29.6
1961,30.5,30.8,32.9,33.2,32.2,31,30.3,30.3,30.2,29.7,29.8,30.4
1962,30.2,30.6,32,33.1,33.1,31.2,30.1,30.5,30.1,30.4,30.5,29.6
1963,29.4,30.7,31.6,33.6,33.6,31.7,30.9,30.3,30.6,30.6,30.9,30.2
1964,31.3,32.2,32.8,34.2,31.6,30.8,31.2,30.1,30.1,30.1,28.2,28.9
1965,29.6,31,31.6,32.8,32.4,30.8,30,30.7,29.1,30.6,30.1,30.9
1966,31.7,31.8,32.7,33.4,31.2,31.5,30.1,30,30,30.4,30.1,29.9
1967,28.8,31.1,32,33.3,32.6,31.1,29.9,29.8,29.7,29.3,30.4,29.6
1968,30,30,32.1,33,32.3,31,30.4,29.8,29.7,29.9,30.9,31.4
1969,31.4,30.9,32.7,33.7,33.4,31.2,30,30.9,30.3,30.5,28.9,29.2
1970,30.9,30.8,32.4,32.6,32.8,30.5,30.1,29.6,29.9,29,29.6,29.8
1971,29.4,30.7,31.7,32.9,33.2,30.3,30.5,30.5,30.8,29.1,28,29.7
1972,29.8,30.8,31.6,31.9,32.7,31.1,30.2,30,30.2,31.2,30.7,30
1973,31.1,32.1,32.9,34.2,33.4,30.9,30.4,30.9,30.5,30.1,28.5,28.2
1974,29.4,29.9,31.5,32.6,32.6,31.1,30.9,30.3,31.1,29.7,29.7,29.7
1975,30.4,31,32.5,33.1,32.3,30.1,30.6,30.3,30.5,29.5,29.6,27.6
1976,29.7,30.5,31.3,33.2,32.1,31.1,30.4,30.6,29.9,30.2,28.3,29.8
1977,30.9,30.6,32.1,33.2,33.3,32,30.6,30.3,30.3,30.9,29.9,30.5
1978,31.3,31.4,33.5,32.9,32.4,31.3,30.3,29.9,29.6,29.4,30.2,30.7
1979,31.8,31.9,33.4,33.5,32.4,31.6,30.3,30.8,30.8,30.2,30.2,30.5
1980,31.3,31.8,32.7,33.3,32.8,30.9,30.3,30.1,30,29.9,29.8,29.5
1981,29.9,30.6,32.4,32.8,32.6,31.1,30.7,31,31.4,30.1,29.4,28.5
1982,30.5,30.9,32.4,32.2,32.6,30.6,30.1,29.7,30,30.8,30.9,29.5
1983,31,31.7,32.8,34.7,34.4,31.3,31.1,31,31.3,30.1,28.7,29
1984,29.5,30.9,32.1,33.3,31.8,30.6,30.7,30.3,30,29.8,30,29.8
1985,30.7,31.5,32.5,32.3,32.1,30.6,30.2,30.4,30,29.5,30.2,29.6
1986,29.4,30.3,31.7,33.2,31.9,30.7,30.3,29.9,30.1,29.9,29.3,29.7
1987,30.8,30.9,32.3,33.5,33.2,31.8,31.2,30.8,30.3,31.3,30.1,28.4
1988,31.1,31.1,32.6,33.2,32.4,30.8,30.7,30.7,30.7,29.2,28.8,29.3
1989,31,30.4,31.6,33,32.3,30.9,30.8,30.4,30.7,30.3,30,29.7
1990,30.8,31.7,31.9,34.1,33,31.6,31,30.5,30.4,30.2,29.6,30.1
1991,31.9,31.5,33.2,34,34.1,32.3,30.8,30.4,30.4,30,30.5,30.7
1992,30.3,30.9,32.9,34.5,33.8,31.5,31.1,30.5,30.8,29.9,29.7,30.5
1993,30.3,30.7,31.8,32.9,33.6,31.8,30.7,30.6,30.3,30.4,30.5,29.4
1994,31,31.4,32.3,33.7,32.5,30.9,30.4,30.4,30.3,30.1,30.6,31
1995,31.6,30.8,32.2,34.3,33.4,31.9,31.2,31.3,30.7,31,30.4,28.7
1996,30.4,30.9,32.9,33.2,32.5,31.8,31.5,31.5,30.4,30.8,29.7,28.9
1997,30.2,31,32.6,33.3,33.5,32.2,30.8,31,31.4,31.9,30.6,31.7
1998,32.1,31.9,34,34.5,34.3,32.2,31.5,31.6,31.2,31.3,30.2,30.2
1999,30.1,31.4,32,33.2,32.2,30.9,30.5,31.3,31.2,31,29.6,27.7
2000,30.8,30.8,32.2,33.1,33.1,31.1,31.4,31.6,31.6,30.3,29.6,30.7
2001,30.8,31.5,31.9,34.5,33.1,31.9,31.4,31.2,31.7,31.5,29.2,28.3
2002,30.9,31.6,32.8,33.6,32.8,32.1,31.6,30.5,30.7,31.1,31,31.8
2003,31.6,31.9,32.7,34.3,33.5,32.1,30.7,31.4,31.3,31.2,31.4,30.2
2004,30.8,30.7,32.9,34.1,33.9,31.2,30.8,30.7,31.2,31.2,31.5,30.7
2005,30.1,31.4,32.5,33.8,32.3,32,31.1,31.3,31.7,29.1,29.9,28.9
2006,31,32,32.8,33.7,32.8,31.5,31.1,30.9,30.9,30.9,30.9,30.7
2007,30.7,30.3,32.5,33.7,32,30.6,31.2,30.2,31,30.4,29.3,30.6
2008,30.4,31.1,32.2,33.6,31.6,31.3,31.5,31.2,30.9,31.6,29.2,29.7
2009,29.2,31.6,32.1,33.2,32,32.2,31.2,31.7,31,30.9,30.5,31.2
