1901,30.5,31.8,34.6,37.6,38,36,32.2,31.3,32.9,32.1,29.8,28.6
1902,29.7,31.5,35.7,37.7,40.4,36.9,33.6,32.7,31.8,32.1,28.8,29.1
1903,29.6,31.9,35.5,37.9,38,37.2,31.8,31.1,31.7,31.1,28.6,27.8
1904,29,30.6,34.5,38.2,38.4,35.5,32.7,32.4,32,31.7,28.8,27.8
1905,28.9,31,35.1,36.8,38.9,37.3,33.8,31.7,32.1,31.8,30.2,28
1906,30.2,32.3,34.5,38.7,40.4,35.5,33,31.5,31.9,31.7,29.7,28.9
1907,29.1,32,34.7,36.2,38.7,35.8,32.8,30.7,32.4,32.3,30.7,28.3
1908,28.8,31.6,34.5,38.7,39.9,37.3,32.5,31.2,31.2,31.5,28.4,27
1909,29.9,32.1,35.1,36.2,39.1,34.9,31.5,31.6,31.6,32.1,30.3,29.8
1910,29.6,31.5,35.1,38.4,39.6,35.8,33.1,31.9,31.4,31.6,27.8,27.2
1911,29.5,30.6,35,38.3,40,36,33.2,31.1,32.8,32.6,30.6,28.8
1912,29.5,32.5,35.8,37.5,39.8,38.3,32.6,31.4,32.3,32.1,29.3,27.6
1913,28.2,32.4,35.2,38.4,38.8,35.9,32.3,32.3,32.8,31.8,29.6,29.5
1914,28.7,32.3,35.2,36.9,39,35.8,32.1,30.9,31.1,31.5,29.8,29.1
1915,29,31.6,34,37.4,39.2,37.2,32.9,31.7,31.7,32.1,30.7,27.5
1916,29.6,32.2,35,37.6,38.9,34.7,32.3,31.8,32,31.5,29.4,27.2
1917,28.2,30.5,33.3,36.2,39.1,34.2,32.4,31.5,31.2,31.4,29,27.7
1918,28,30.7,34.1,37.3,37.2,35.6,34.2,31.9,32.7,32.2,30.4,28.9
1919,30.7,33,35.5,38,39.1,34.9,33,32.3,32.4,31.3,29.7,28.1
1920,29.1,31.5,35.5,37.2,38.9,36.8,33.5,33.1,32.9,32.8,30.3,28.5
1921,29.9,31.5,36.1,37.9,41.5,36.1,32.4,31.7,32,30.8,27.7,27.8
1922,28.9,31.1,35.4,38.3,39.2,36.3,32.8,32.6,31.7,31.2,29.6,27.4
1923,28.4,31.2,34.1,38.2,39.5,38.6,32.5,32.2,31.6,31,29.5,28.6
1924,29.5,32.6,35.2,39,40,37.2,33.2,32.4,31.5,31.3,28.5,27.5
1925,28.6,31,34.7,38.2,37.9,36.1,32.9,31.2,32.3,31,29.5,27.5
1926,29.6,31.7,35.4,36.8,38.6,38.7,33.3,31.9,32.2,32,29.2,28.5
1927,30.8,32.7,36.4,38.8,39.8,36.2,32.3,32,32.7,31.9,28.6,28.8
1928,30,32.2,35,37.5,40.5,36.4,32.7,32.2,32.2,31.8,30.2,29.1
1929,30.5,31.3,35.1,37.1,40.5,36.3,33.5,32.4,32.1,31.9,30,30.1
1930,30.1,31.1,35.3,37.3,39.3,36.9,33.4,32.5,32.2,31.6,29,29.4
1931,28.8,32.6,35.2,38.3,39.6,36.3,32.1,31.9,31.8,31.5,28.8,28.3
1932,28.1,30.9,33.3,37,38.1,36.3,32.2,32,31.9,32.3,30.2,28.2
1933,29.3,32.5,34,36.7,38.5,34.8,31.8,31,31.8,30.7,29.4,27.9
1934,28.4,31.1,34.5,37.8,40,36.6,32.3,31.3,32,31.7,28.4,27.6
1935,29.5,32,34.7,36.6,40.6,36.7,32.5,31.9,31.5,31.9,28.9,29.1
1936,31.1,31.8,34.2,37.5,38.8,35,33.1,31.6,32.7,32,29.6,28.8
1937,28.6,32.4,34.7,36.7,39.6,37.3,32.4,32.4,32.6,31.2,29.7,28.3
1938,30.5,32.2,35.8,37.8,39.5,33.8,31.9,31.5,31.4,31,28.3,27.5
1939,28.6,31.1,34.1,37.2,40.2,36.9,32.6,32.2,32.1,31.8,28.1,27.6
1940,27.5,31.5,34.7,37,38.5,36.1,31.6,31.3,32.2,31.5,30.4,29.2
1941,30.3,32.4,36.7,39.3,40.3,36.6,34.3,32.6,32.3,32.4,29.9,30.1
1942,29.9,32.3,35.5,38.1,40.3,36.8,32.9,31.7,31.9,31.3,29.4,29.3
1943,30.6,30.3,35,37.4,38,35,32.4,32,31.3,31.2,29.9,27.4
1944,29.8,32.1,33.4,37,39.8,36.9,32.4,32.5,32.2,31.7,29.5,28.5
1945,29.3,31.8,35.4,37.3,40.4,36.5,32.4,31.4,31.5,31.4,28.3,27.1
1946,27.6,30.9,35.7,37.6,39.7,35.4,32.9,31.9,32.4,32.7,30.4,29.6
1947,30.5,32,36,38.6,40.1,37.4,32.2,31.7,31.5,30.7,29.2,28.3
1948,29.8,32.5,34.8,37.7,40.5,37.3,33.2,31.9,31.7,32.1,30.9,27
1949,28.7,31.1,35.3,38,38.6,35.6,32.1,31.9,31.7,32.2,28.7,28.2
1950,28.7,31.5,34.2,37.8,39.4,36.1,32.5,32.7,31.5,31.3,29,27.7
1951,29.2,31.2,35.4,37.9,39.2,36.1,32.7,32.1,32.6,32.9,30.7,28.2
1952,29.4,32.4,35.2,38.6,39.7,37.3,33.9,32,32.6,31.8,28.6,29.5
1953,29.7,32.6,37,38.7,42,37.8,33.2,31.8,31.9,31.9,29.4,27.8
1954,29.2,32.7,35.4,39,40.9,36.9,32.2,32.1,31.6,30.8,28.3,29
1955,29.3,32.7,35.7,38.5,38.5,35.9,32.4,30.7,31.9,31.3,28.6,27.9
1956,29.2,31.2,35.8,38.7,39.3,35.4,30.9,31.3,31.4,30.7,29.6,28.6
1957,29.7,32.4,34,37.3,39.5,36.9,32.4,30.8,32.5,32.6,30.2,29.4
1958,29.9,32.5,36.1,38.2,39.8,38.9,31.8,31.4,32,31.7,30.7,28.9
1959,29.8,33.3,35.9,38.3,40.1,35.9,32.2,31.5,32.2,31.8,30.2,29
1960,30.2,32.3,35.1,38,39.6,36.3,33.1,33.3,32.1,31.8,30,29.3
1961,30,32.1,36.8,39.1,39,35.9,32,31.8,31.8,31.1,29.3,28.3
1962,28.7,32,35,37.3,38.9,36.5,32.6,31.7,31.6,32,29.4,27.9
1963,28.3,31.2,35.4,36.7,39.4,35.6,32.9,31.2,32.5,31.6,29.9,29.2
1964,30,33.3,36.8,38.7,40.7,36.7,32.8,31.3,31.2,31.9,29.2,28.2
1965,29.4,32.2,35.2,37.2,39.4,36.9,32.3,32.3,32.5,33.1,31.4,30.3
1966,30.5,33.2,36.9,38.7,40.5,37.1,33.6,32.7,32,32.1,30.7,28.5
1967,30,32.5,34.7,38.6,40.1,36.9,32.3,31.7,31.8,31.6,29.9,29.2
1968,28.7,32.6,35.2,37.6,39.5,36.8,32.9,32.5,31.9,31.5,30.2,29.9
1969,29.4,33,37,39.5,39,37.4,32.8,32.6,31.5,31.6,30.6,28
1970,29.9,32.9,36.7,38.4,39.7,35,33,31.1,31.9,31.6,29.7,27.6
1971,29.4,33,35.1,38.6,38.9,34.5,33.9,32.7,32.5,31.6,28.7,27.5
1972,29.1,32.2,36.1,39,40.6,38.7,33.9,33.7,33.8,32.1,30.4,30.2
1973,31.2,33.9,36.9,40.1,41.4,36.9,33.4,32,32.5,31.7,29.5,28.7
1974,29.5,33,36.5,39.2,39,36,34,32.5,32.5,31.4,29.7,27.9
1975,29.1,32.9,35.8,38.9,40.9,36,32.7,32.2,31.4,31.5,28.8,27.7
1976,28.4,31.8,36.8,38.3,40.2,36.6,32.2,31.5,32.2,32.7,30.6,29.1
1977,29.1,32.7,36.3,38.2,39,37.1,33.5,31.9,33,32.4,31,28.8
1978,30.2,32.1,35.7,38.6,40.5,36,32.4,31.1,32.1,32.5,31.1,29.4
1979,30.3,33.1,36,39.1,39.5,37.9,34.3,32.8,32.9,32.5,30.7,29.7
1980,30.5,34,36.4,39,41.6,36.3,32.9,31.6,32.8,32.8,30.7,29.7
1981,29.5,33.3,35.8,39.2,40.4,36.8,33.4,31.6,32.1,32,30.1,29.1
1982,29.9,33.4,36.8,38.2,39,36.7,33.5,32.4,32.6,32.4,30.1,29.3
1983,29.9,33.8,37.1,39.3,40.3,38.1,33.9,31.9,31.7,31.5,29.8,29
1984,30.8,32.5,35.9,38.6,41.3,37.1,32.6,32.7,32.9,32,29.8,30.5
1985,31,33.7,37.3,39.5,40.8,35.6,32.9,32.4,33.4,31.5,30.6,30
1986,29,32.3,36.7,38.9,40.9,36.7,33.8,32.3,34.1,33.8,31.6,30.7
1987,30.5,32.1,35.6,39.5,39.5,38.2,33.7,32.6,34.1,32.7,30.7,29.7
1988,30.5,33.8,36.8,38.1,41.8,37.7,33,32.4,32.6,32.6,30.4,29.6
1989,30.6,33,35.1,39.2,41.2,36.1,32.6,32.1,32.6,33,30.7,29.4
1990,30.9,33.5,36.4,39.6,36.9,35.1,33,32.2,32.9,31.5,31.1,29.8
1991,31.2,33.7,37.2,39,40.9,35.6,32.9,32.4,33.5,33,30,29.3
1992,29.5,32.8,36.9,38.9,40.2,37.2,34.2,31.8,32.6,32.6,31,28.7
1993,30.7,32.6,36.3,38.7,40.6,37.8,33.6,32.5,32.6,32.2,30.5,28.4
1994,30.4,33.3,37.5,38.3,41.1,36.8,32.5,31.9,32.9,32.2,29.5,28.3
1995,28.9,32.9,36.3,38.9,38.3,38.2,33,32.9,33,32.2,31.9,30.3
1996,31.1,33.3,36.9,38,41.2,37.4,33.6,32.1,32.6,31.8,31,29.5
1997,29.5,33,36.6,37.2,40.3,38.2,33.9,32.8,32.9,32.9,31.8,30.9
1998,31.7,34.4,37.4,39.7,41.4,38.7,34.2,32.6,32.7,32.2,31.1,28.9
1999,29.9,33.4,37.3,39.6,38.9,36,33.2,32.3,32.2,32.5,31.2,29.9
2000,30.9,33.4,36.5,39.6,39.6,35,32.4,31.8,32.9,33,31.8,29.2
2001,30.7,34.1,36.9,38.4,41.3,36.1,34.1,32,33.5,32.4,31.8,29.7
2002,30.5,33.2,37.2,39.9,41,36.3,34.4,31.9,33.1,32.7,30.2,30.1
2003,30.4,34,36.8,39.4,41.7,38.9,33.2,32.3,33.3,32.8,30.6,29.4
2004,30.3,32.4,37.3,39.4,38.6,36.7,33.2,32.7,32.9,32.3,30.8,29.4
2005,31.2,33.4,36.5,38.3,40.1,38.3,33.3,32.9,32.6,32.6,29.6,29.5
2006,30.3,33,36.1,37.5,39.8,36.9,34.2,32.6,33.2,33.1,31.3,30.3
2007,30.9,33,36.9,38.8,41.4,36.3,34.2,32.6,32.5,32.6,30.8,31.1
2008,31.1,33.4,36.1,38.2,41.2,37,34.4,32.3,32.8,33.2,31.6,30.9
2009,31,34.7,36.5,39.3,40.5,38,34.3,33.4,33.5,32.8,31.5,30.5
