1901,29.3,30.9,33.1,34.5,35.4,34.7,33.6,34.1,32.5,31.2,28.9,28.2
1902,27.9,30.4,34.2,35,36,34.3,34,32.7,34.2,32.1,31.1,29
1903,29.6,32.5,33.7,34.6,35,35.5,34.2,34.2,33.9,31.3,29.4,27.4
1904,28.9,31.7,33.4,35,35.3,34.5,33.2,33.6,32.7,31.3,29.4,28.7
1905,28.2,30.5,33.4,35.1,36.4,34.8,33.4,34,33.3,31.7,30.5,28.5
1906,27.8,29.5,32.4,34.3,35.6,34,33.9,33.8,33.5,31.6,30.5,28.3
1907,29.7,30.5,33.1,35.1,35.6,34.3,32.8,33,32.3,31.4,30.7,28.4
1908,28.2,29.9,33.2,36.2,36.4,34.7,33.5,33.6,32.6,30.6,29.2,28.8
1909,28.6,30.6,33.9,35.6,36.8,34.1,34.1,34,32.5,31.1,29.2,28.6
1910,27.5,29.6,30.6,33.3,34.9,33.7,33.1,33.7,32.5,31,28.8,26.7
1911,28.9,30.8,33.3,35.8,33.5,33,33.3,33.6,32.8,32.1,31,29.2
1912,29.2,28.7,33.8,36.8,35.8,33.9,33.3,33.7,32.5,31.7,29,29.3
1913,30,32.5,33.4,32.7,33.6,32.6,33,33.6,32.1,30.8,29.3,28.3
1914,28.3,30.7,30.8,34.5,34.3,33.2,33.9,34.3,32.3,31,29.5,29.5
1915,28.6,29.8,30.3,32.8,36.4,35.1,34.3,34.3,33,31.4,30.2,29.1
1916,30.6,29.6,31.9,33.9,35.1,33.6,34.3,33.3,32.2,30.8,29.1,29
1917,29.3,30.2,33.1,34.3,35.7,33.6,33.7,33.6,32.5,31,29,27.2
1918,28.4,31.7,33.4,35.3,35.2,33.7,34,33.9,32.9,32.5,30.4,28.7
1919,27.9,31.1,33.3,34.2,34.9,33.4,33.3,33.8,32.7,31.8,31.4,29
1920,29.6,30.3,33.1,36.7,35.9,33.3,33.2,33.4,32.7,31.1,29.5,28.5
1921,28.6,30.5,33.4,34.9,33.4,33.6,33.3,33.6,32.6,31,30.3,29.1
1922,29.7,31.4,33.8,36.3,35.6,34.1,33.6,34.3,33.1,31.4,30.4,29.2
1923,29.2,30.9,33.4,35.6,36,34.2,33.8,34,32.7,31,29.3,29.4
1924,29.1,28.7,32.8,35.4,36.2,34.9,34.1,34.1,32.8,31,28.9,29.5
1925,30,30.7,32.4,33.8,34.2,33.4,33.5,34.1,32.7,32.5,30.5,28.9
1926,28.8,30.4,33.4,35.1,34.4,34.3,34.4,34,33.4,32,29.3,29.7
1927,28.5,32.3,33.2,35.6,36.6,35.2,33.4,34.6,33.3,31.5,30,29.1
1928,28.2,31.6,33.4,34.6,34.6,35.6,34.1,34.5,33.7,32.2,30,28.6
1929,30,32.7,34.5,36.8,35.7,33.7,33.1,33.8,32.7,31.6,31.1,28.1
1930,29.6,30.7,32.8,33.9,35.3,33.6,33,34.2,33,31.8,29.5,27.7
1931,28,30.6,31,33.1,34.3,33.9,33.8,34.1,33,31.2,29.3,30.3
1932,30.9,32.7,32.5,34.1,34.3,33.9,33.6,34.4,33.9,31.9,28.3,28.9
1933,29.6,32.4,33.6,36.4,35.4,33.8,33.6,33.7,32.6,31.7,29.6,28.8
1934,29.5,30.4,31.5,34.6,34.1,33.1,33.1,33.8,32.8,31.6,30,29.1
1935,28.7,29.5,33.4,35.4,36.6,35.2,33.3,33.5,33.4,31.2,29.6,29.3
1936,30.3,32.3,33.1,34.6,34.3,33.9,33.2,33.9,32.8,32,30,28.1
1937,31.1,31.7,33.1,34.6,34.7,34.1,33.1,33.9,32.9,31.2,28.9,27.5
1938,28.8,30.4,34.1,34.5,35.2,33.4,33,33.9,32.4,31.1,30.4,27.7
1939,29.4,32.1,33.1,34.8,34.3,33.5,33.4,33.6,32.2,31.8,29.1,28.7
1940,28.2,28.7,32.6,34.5,34.3,34.1,33.4,34.3,33,30.6,30.1,28.9
1941,28.8,29.7,31.9,35.3,33.6,34.9,33.8,34.4,32.5,31.3,30.6,30.1
1942,29,30.9,32.5,34.5,35.4,34.5,33.4,33.3,32.2,31.1,30.1,29
1943,29.7,30.1,32.4,34.4,35.1,33.8,34.2,34.5,32.9,31.1,27.8,27.9
1944,28.1,33,34.3,36.6,36.1,33.5,33.6,33.6,32.9,31.7,31.8,29.7
1945,31.6,33.7,35.7,37.4,36.2,36.5,34.9,34.3,32.7,32.4,29.8,31.3
1946,31.5,33.9,33.9,34.2,36,32.8,34.8,34.8,33.6,31.9,31,30.4
1947,30.6,29.8,34,37,35.6,36,33.6,33.4,32.4,30.9,30.9,29.1
1948,30.4,33.3,35.2,36,34.4,33.4,34,35.1,34.4,32.4,31.6,29.5
1949,30.6,32.5,34.9,36.7,36,36,35.7,36,34,31.9,30.3,29.8
1950,31.1,32.3,33.8,34.9,34.6,33.1,32.4,33.6,33.3,30.9,31.1,28.4
1951,30.2,29.9,33,35,35.5,36,33.6,34.7,32.9,32.1,30.2,31.3
1952,31.9,32.2,35.7,33.9,34.6,33.6,32.7,33.9,33,29.8,30.4,29
1953,30.1,32.4,35.5,37.6,35.6,34.7,33.8,35.1,33.7,31.4,30.6,29.1
1954,30.6,31.7,33.5,34.7,33.8,33.1,33.8,34.4,32.9,30.8,30.4,29
1955,30.1,30.3,34.1,36.5,35.8,35.2,32.9,35.4,32.2,31.8,31.1,29.5
1956,30.3,31.9,33.4,36.7,35.4,33.2,34.1,34.4,32.5,31.3,29.8,30.3
1957,30.4,32.1,33.3,35.5,35.9,35,34,34.9,33.9,31.7,31.6,28.5
1958,28.1,29.8,34,37.5,35.8,36,34.7,35.5,33.6,32.4,32.5,29.7
1959,29.5,33.1,33.9,34.9,34.7,34.9,34.3,34.9,34.7,32.2,29.7,28.2
1960,29.3,31.8,33.8,34.3,35.3,34.8,33.8,33.7,33.5,32.9,30.4,28.4
1961,29.4,30.9,34,34.6,36.4,35,34.1,34.8,33.3,31.9,30.2,29.4
1962,28.5,31.7,34.4,33.2,34.4,34.7,34.9,35.4,34.1,32.9,30.9,29.8
1963,30.7,31.3,33.9,36.2,35.9,36.9,35.1,34.7,33.1,32.1,30.1,27.5
1964,28.1,31.2,35,37,36,34.3,33.5,34.4,33.9,30.5,30.2,29.3
1965,30,31,32.9,35.8,34.9,34.1,33.4,33.9,32.6,31.3,30.6,28.2
1966,27.5,29.9,31.4,34.7,34.6,33.5,33.7,34.5,32.6,30.8,29.3,28.2
1967,29.3,30.3,33.8,33.8,35.5,35.1,34.5,34.7,33.4,30.9,29.3,29.9
1968,28.9,29.5,31.5,36,35.1,34.3,33.8,34.3,33.9,32.4,30,29
1969,29.9,31.8,31.5,35.8,35.5,35.7,34.7,33.6,32.2,31.7,29.4,29.2
1970,28.2,29.8,34.4,37.1,36.1,34.8,33,33.5,32.6,31.8,28.6,30.6
1971,30.9,32.8,33.9,35.1,36.2,34.7,33.9,34.3,33.8,31.3,31.6,32.2
1972,32.1,32,34.3,37.1,37.4,35.1,33.7,33.7,33.3,32.4,31,29.1
1973,31.2,30.5,33.9,34.8,35.4,34.8,34.1,33.1,33.2,30.8,31.7,28.1
1974,30.5,32,31.9,35.5,35.8,33.3,33.3,33.8,31.8,30.8,29.8,29.3
1975,30.1,32.2,35,37.7,37.2,35.6,34.2,33.7,31.8,30.1,28.8,28.6
1976,28.2,30.1,34.6,34.6,34.4,31.6,32.6,34.1,33.2,31.3,28.8,26.9
1977,28,29.2,34.1,33.6,34.1,33.1,33.2,33.4,33,31.5,29.9,28.5
1978,28.6,29.3,31.6,34.7,35.6,33.3,32.3,33.4,32,31.2,30.8,28.9
1979,28,31.2,33,35.6,35.7,34.5,33.5,32.9,31.8,30.6,28.7,27.3
1980,29,29.2,34.5,33.9,37.5,34.1,34.7,34.2,32.4,30.9,28.4,26.1
1981,27.2,29.6,32.5,36,36.8,33.6,32.6,33.2,32.9,32,30.1,29.6
1982,31.2,32,34,37.1,35.5,34.7,33.8,33.8,32,30.9,29.9,28.6
1983,28.2,29.1,31.6,34.1,37.4,35.1,32.4,33.7,33,31.5,29.9,28.3
1984,27.4,29.8,32.9,36.6,34.4,32.7,32.4,32.7,32.1,32.7,30.4,30.1
1985,29.7,32.6,34.9,34.7,35,35.1,33.4,34.6,33.2,31.6,31.3,29.3
1986,28.1,31.5,32.2,35.2,34.7,34.1,33.2,33.7,33.3,32.5,31.1,30.5
1987,29.6,31.2,32.9,32.8,36.6,33.6,32.5,33.3,33.9,30.9,30.1,29.1
1988,28.9,29.8,32.1,35.7,35.6,33.6,32.8,32.7,31.4,30.4,30.2,27.8
1989,30.1,31.8,32.4,33.8,34.6,34.4,33.3,33.4,30.5,30.4,30.2,27
1990,30,32,31.6,33.7,34.9,34.4,33.6,33.6,32.3,31.5,30.7,28.6
1991,29.9,31.5,34.2,35.5,35.2,34.3,33.5,33.8,32.1,30.9,29,28.4
1992,27.9,30.1,33.3,33.6,33.8,34.7,33,33.3,32.5,30.6,28.7,29.9
1993,29.4,32.7,33.3,33.5,34.3,34,33.8,33.6,33.3,32.4,30,29.1
1994,29.9,32.2,33.3,36,35.3,34.2,34.6,33.7,32.3,32.2,30.8,28.6
1995,31.1,32.5,33.4,36,38.8,36.8,33.6,34.2,33.3,31.2,30.5,28.2
1996,28.5,30.9,31.8,34.3,35,34.2,33.8,33.9,34.5,32.2,30.8,28.5
1997,29.7,32,34.8,35.1,35.8,35.6,34.5,35.2,33.9,31.1,29.6,28.5
1998,28.9,31.6,32.7,36,37.5,36.7,34.3,34.9,33.6,31.7,29.2,28.1
1999,29.9,32.7,34.5,36.7,37,33.5,33.2,34.4,33.4,31,28.8,28.1
2000,30,32.3,35,36.4,37.5,33.5,35.3,33.8,33.1,31.1,31.7,28.9
2001,29.7,33,33.7,35.7,35.2,35,34.7,34.5,33.6,32.6,31.6,30.5
2002,31.2,31,33.8,37.1,36.2,34.5,35.1,34.7,33.8,33,31.2,29.2
2003,30.7,32.1,34.2,35.6,37.5,35.6,34.1,35.1,34.4,33.5,30.8,28.6
2004,29.9,31.5,34,35,35.1,35.7,35,36,34.3,32.8,32.2,30.4
2005,31.1,32.9,34.5,36.1,36.3,34.7,34.5,35.3,34.8,31.8,30.6,29.5
2006,29.8,31.2,33.7,36.4,35.8,34.9,33.9,34.4,34.5,32.9,30,28.7
2007,30,32,33,35.3,35.5,35.4,34.7,34.2,33.3,31.7,30.8,30.6
2008,30.6,32.8,32.8,35.8,37.1,33.2,34.1,35.3,34.3,31.2,30.1,29.8
2009,29.8,32.2,33.8,35.8,37.1,35.2,35,34.7,34.5,33,30.3,29
