1901,30.1,31,33.2,34.8,33.3,28.9,26.8,26.8,28.7,29.4,29.9,28.9
1902,30,31.1,34,34.7,33.8,29.7,27.3,27.6,27.7,29.5,29.7,29.4
1903,29.8,31,33.3,34.4,33,29.1,26.8,26.7,27.8,28.9,28.4,28.1
1904,29.4,31,33.3,34.5,32.9,28.2,26.5,26.7,28.2,29.6,28.9,28.5
1905,29.3,30.6,32.7,33.2,33.3,29.9,27.2,27.2,28.2,29.5,29.8,28.6
1906,30,31.3,32.8,34.9,34.2,29.1,26.7,26.7,27.4,29.2,30,29.2
1907,30,31.4,33.4,33.8,33.1,28.9,26.8,26.1,28.3,29.6,29.8,29
1908,29.9,30.9,32.6,35,33.1,29.5,26.3,26.4,28.2,29.5,28.9,28.3
1909,29.3,31.1,33.7,34.2,33.2,29.2,26.3,26.9,27.3,29.2,29.7,29.2
1910,29.8,31.5,33.8,34.8,33.7,28.9,27.2,26.3,27.1,28.8,28.2,27.8
1911,29.9,30.3,33.2,34.2,33.2,29,26.8,26.5,28.5,29.4,29.8,29.7
1912,29.8,32.2,33.8,35.2,34.2,29.3,26.8,26.8,28.2,29.2,29.1,28.5
1913,29.2,31.4,33.3,34.8,33.8,29,26.5,26.9,28.5,29.1,29.2,29.1
1914,29.6,31.5,33.5,34.2,34,29.9,26.9,26.7,28.5,29.7,30,29.5
1915,30.2,31.4,33.5,34.9,33.9,29.7,27.5,27.4,28.3,29.5,29.9,28.5
1916,29.5,31,34,35,33.4,28.4,27.1,26.6,27.8,29,29.3,28.4
1917,29.4,30.8,33,34.4,32.6,28.2,27.3,26.7,27.6,28.3,29,28.4
1918,29.4,30.5,33,34,32.3,28.7,27.7,27.2,28.2,30,30.5,28.9
1919,30.4,31.5,33.3,34.9,33.3,29,27,26.8,28.3,29.6,29.8,29
1920,30.1,31.6,34,34.5,33.8,29.4,26.9,27,28.3,29.8,29.8,28.7
1921,30.3,31.2,34,34.5,34.1,29.2,26.9,26.7,27.4,29.4,28.9,28.7
1922,30,31.2,33.9,34.9,33.4,28.9,26.5,26.6,27.8,29.2,29.6,28.3
1923,29.7,30.9,33.5,34.5,33.4,29.9,26.1,26.6,27.8,29.6,29.7,29.8
1924,30.1,31.8,34.2,35.6,34.3,29.4,26.8,27.1,28,29.3,29.3,29
1925,29.7,30.6,33.9,35.4,32.8,28.8,27,27,28.6,30,30.2,29.6
1926,30.5,31.9,34.2,34.3,34,30.2,27.7,27.1,28.2,29.5,29.5,29.3
1927,30.2,31.8,34.2,35.1,33.8,29.1,26.5,26.9,28.4,29.4,28.8,29.5
1928,30.6,31.2,33.6,35.2,34.3,29.4,26.9,26.6,28.2,29.4,30,29.2
1929,30.1,31.3,33.9,34.7,33.7,28.8,27.3,27.5,28.6,29.3,30,29.2
1930,29.8,31.2,33.5,34.7,33.2,29.3,27,27,28.3,29.7,29.5,29.6
1931,30.4,32.3,33.8,35.8,34.3,30.4,27,27.1,27.9,29.5,30,29.1
1932,29.4,31,33.5,34.6,33.4,29.1,26.6,27.4,28.3,30.2,30.1,29.3
1933,30,31.9,33.5,34.4,32.3,28.1,26.7,26.5,27.7,29.3,30.4,29.2
1934,29.6,31.4,33.2,34.7,33.4,28.9,26.7,26.6,28.1,30.1,27.9,28.7
1935,29.6,31.7,33.2,33.7,34,29.4,26.6,26.8,27.5,30.2,29.2,29.8
1936,30.3,31.4,33.7,34.5,34.1,28.1,26.6,26.9,28.6,30,30.7,29.8
1937,29.9,32.2,33.8,33.8,33.6,29,26.3,27.1,28.4,29.6,29.8,29.5
1938,31.1,31.5,34.6,35,33.4,27.9,26.4,26.8,27.8,28.7,29.4,29.3
1939,30.3,32.1,33.3,34.1,33.5,29.1,26.3,26.9,28.1,30.2,29.4,28.8
1940,29.1,31.8,32.5,34.4,33.3,29.1,26.6,26.6,28.5,29.9,30.5,29.5
1941,30.2,32.6,35,34.8,33.8,28.8,27.3,27.7,28.7,29.9,30.6,30.8
1942,30.4,32.3,34.8,32.9,33.4,28.3,26.4,26.7,28,29.4,29.1,29.8
1943,30.7,31.8,34.3,33.2,31.6,27.3,26.4,26.6,27.7,28,29.4,28.7
1944,30.4,31.3,32.8,32.9,33.2,28.6,26.6,27.1,28.4,28.6,29.3,30.3
1945,29.9,31.9,34.2,32.8,32.5,28.4,26.8,27.1,28.1,28.5,28.8,29
1946,29.5,31.9,34.3,32.8,31.8,27.6,26.6,26.6,28.1,29.1,29.1,30.8
1947,30.7,32.1,34.4,33.8,32.6,28.7,27,27.5,27.7,28.8,28.5,29.9
1948,31.2,32.3,34.2,33.1,32.5,28.6,27.1,27.2,28.1,28.7,30.1,29.2
1949,30.6,31.7,34.7,33,31.8,28.2,27.1,27.2,27.8,28.6,28.3,29.3
1950,30.3,31.6,33.7,33.4,32.5,28.5,26.5,27.3,28.1,29.1,28.5,29.7
1951,30.2,31.7,33.9,33.9,32.7,27.7,27.1,27.2,28.8,29.2,30.4,29.1
1952,30.5,32.4,33.3,35.1,33.7,29.2,27.1,26.7,28.4,30.1,29.7,30.7
1953,30.4,32.5,34.6,34.6,33.1,29.1,26.9,27,28.5,28.8,28.7,29.4
1954,30.2,32.7,33.9,33.4,32.5,28.6,26.5,26.7,27.4,28,28.2,29.9
1955,30.5,32.7,34.2,33.8,31.7,27.4,26.9,26.5,28.4,29.2,28.8,29.3
1956,30.2,31.6,34.5,34.7,32.5,27.1,25.5,26.3,27.3,29,29.4,29.8
1957,30.6,31.8,33.1,34.1,33.3,29,26.6,26.7,28.6,30.2,30.3,30.8
1958,30.9,31.8,34.3,34.9,33.5,30,26.6,26.9,28.1,29.1,30.7,30.2
1959,31.1,32.5,35.1,34.1,33.7,28.6,26,26.8,27.8,28.9,30.1,30.6
1960,30.8,33,33.8,34.2,32.7,28.9,26.9,26.6,27.8,29.5,30.5,30.5
1961,30.1,30.4,33.7,34.5,32,28.1,25.6,26.9,27.7,28.6,30,29.4
1962,29.4,32,32.9,33.9,32.9,29.5,26.7,26.3,27.7,30.1,29.7,28.2
1963,29.9,32.1,33.7,33.9,33.6,28.6,27.2,26.5,28.5,29.3,30.1,30
1964,29.5,32,33.9,35,33.6,29.6,26.7,26.3,27.3,29.1,29.2,28.8
1965,29.7,30.7,33,34,33.4,29.3,27,27.1,28.5,31.4,31.5,29.9
1966,29.8,32.2,33.8,34.7,32.7,29.6,27.1,27.6,28.3,30.3,29.7,29.1
1967,30,32.3,33.3,35.4,34.2,29.8,26.5,27.1,27.8,29.5,30.4,29.3
1968,29.2,30.9,33.6,34.2,33.6,29.5,26.6,27.2,28.4,30,30.6,29.9
1969,29.8,31.6,34.4,35.4,34.4,29.7,27.1,27.3,27.4,29.8,30.6,29.9
1970,30,31.3,33.1,34.5,32.9,28.6,27.2,26.5,27.7,29.6,30.3,29.4
1971,29.3,31.1,33.5,34.9,33.1,28,27.1,26.7,28,28.8,29.3,28.8
1972,30.3,30.6,34.2,34.8,33,30.6,27.4,27.6,28.9,30.6,30.1,30.3
1973,29.8,32.2,33.8,36.2,34.4,29.4,27,26.1,27.7,29.6,29.9,29.2
1974,30.3,32.2,34.7,35.2,33.2,29,26.9,27,28.2,28.6,29.6,28.7
1975,30,31.6,33,35.3,33.2,28.4,26.5,26.4,27.5,28.3,28.6,29
1976,29.1,31.2,35.2,33.8,33.1,29.3,27,27.1,28.5,30.8,29.7,29.6
1977,29.8,31.7,34.7,34.5,33,29.5,26.9,27.3,28.2,30.3,29.6,29
1978,29.9,30.2,32.7,34.3,33.5,28.2,25.9,26.4,27.5,30.1,30.2,29.6
1979,30,30.5,33.5,34.7,33.6,29.8,27.1,27,28.4,29.9,29.3,29.4
1980,29.7,32.1,33.4,35,34.8,29,27.3,26.7,28.6,30.2,30.5,29
1981,29.2,32.1,33.9,34.3,33.5,28,27.1,26.6,28.4,29.5,29.5,29.3
1982,29.3,31.2,33.1,33.8,33.6,29.1,27.3,27.1,28.5,30.6,29.1,29.6
1983,30,30.4,32.4,34.1,34.1,30.7,27.7,26.6,27.7,29,29.3,29.6
1984,29.1,32.3,34.4,34.3,34.5,28.9,26.7,27.1,28.1,29.2,30.2,30.3
1985,30.4,31.8,34.9,34.7,33.9,28.4,27,27.1,29,29,30.1,30.3
1986,29.9,30.8,33.9,35.5,34.1,29.9,27.9,26.7,29.2,31,30.6,29.7
1987,30.5,31.9,33.5,35.1,34.3,30.2,28.2,27.8,29.5,30,30.5,30
1988,30.5,32.3,33.2,34.5,34.6,29.8,27.4,27,28.5,30.1,30.1,30.4
1989,31.1,32.9,33.6,35,34,29,27.1,27.1,28.5,29.8,30.3,30.2
1990,31.4,31.9,32.9,34.7,32.8,28.9,27.4,26.9,28.7,29.9,29.8,30
1991,30.4,31.7,33.9,35.1,34.2,29.4,26.4,27.1,29.2,29.8,30.4,29.5
1992,30.1,31,34.3,34.3,33.8,29.4,27.5,26.9,28.7,29.6,30.6,29.7
1993,30.4,32.4,33.6,34.3,34,29.9,27.1,27.8,28.1,29.2,30.2,29.3
1994,30.9,31.5,35.1,34.5,34.2,29,26.7,27.3,28.6,29.7,29.5,29.1
1995,29.7,31.9,33.5,35,33,30.6,26.6,27.9,28.9,29.9,29.8,30.1
1996,30.6,32.7,34.6,34.7,34.3,30.1,27,27.1,28.5,29,30.1,29.8
1997,30.1,31.5,34.7,33.3,34.1,30,27.5,27.2,29.4,31.3,30.3,29.5
1998,31.1,32.5,33.9,35.5,34.8,30.3,27.7,27.9,28.3,29.2,29.5,29.5
1999,30.4,32.8,35,34.5,32.1,28.3,26.5,27.5,28.8,29.8,30.3,30.4
2000,30.9,31.2,33.8,34.6,32.3,28.7,26.5,26.6,28.9,29.7,30.9,29.2
2001,30.7,31.9,33.3,34.8,33.3,29.5,27.1,27.1,29.1,29.4,30.8,30
2002,30.1,32.6,34.5,35.2,34.2,29.5,28.2,27.1,28.8,30.2,30.5,29.9
2003,30.9,32.6,34.4,34.8,34.3,30.3,27.4,27.9,28.8,30.1,31,29.6
2004,30.4,32.1,35.1,35,32.6,28.9,27.3,27.3,28.4,29.3,30.5,29.5
2005,30.2,31.7,33.2,34.3,33.9,29.9,27.2,27.5,28.3,29.3,29.4,29.6
2006,30.9,32.4,33.5,34.4,33.3,29.1,28.1,27.3,28.8,29.9,30.9,29.9
2007,30.9,32,34.3,34.9,33.7,29.6,27.6,27.2,27.9,29.8,29.6,30
2008,30.4,31.1,33.6,33.7,33.4,29.1,27.7,27,28.3,30,30.3,30.7
2009,31.1,32.6,34.7,35,33.8,29.5,27.3,28,28.6,29.3,30.3,30.4
