1901,30,32.3,33.8,34.8,32.1,30.7,30.1,29.6,29.5,29.8,29.3,28.8
1902,28.8,31.8,33.8,34.2,32.6,31.1,30.1,29.5,29.3,29.6,29.2,29.6
1903,29.8,31.1,34.5,35.4,32.8,29.9,29.8,28.8,29,29.5,28,25.9
1904,27.2,30.3,33,33.5,32.2,30.6,29.8,29.6,29.8,30.1,28.3,27.3
1905,30.5,33,33.5,34.9,32.5,30.7,30.1,29.8,30,30.2,29.6,31.3
1906,31.2,33,33.9,35.6,33.6,31.2,30.4,29.8,30.4,29.7,28.4,28.8
1907,29.4,31.8,32.6,34,31.9,30.2,29.7,29.2,29.5,29.8,29.3,26.9
1908,29.3,31.4,33.2,34.6,32.2,30.6,29.8,29.2,29.6,29.8,27.9,28.2
1909,29.3,31.8,33.6,34.3,31.8,30.6,29.7,29.5,30,30.3,28.5,27.7
1910,30.1,30.9,32.6,34.2,32.5,30.2,29.8,29.5,29.1,29.5,28.9,27.1
1911,28.8,31,33.2,34.7,32.4,30.7,29.8,29.8,29.9,29.9,30.3,29.6
1912,29.7,31.8,34.1,34.7,33.3,31.1,29.5,28.8,29.3,29.3,27.7,28.1
1913,29.1,31.9,33,34.6,31.6,30.4,29.1,28.9,29.4,29.4,28.1,27.9
1914,28.6,32,33.5,34.9,33,30.3,29.6,28.7,29.3,29.1,29,29.1
1915,29.5,32.7,33.6,34.4,31.8,30.7,29.5,29.4,29.1,29.8,28.3,26.5
1916,27.9,31.3,33.9,34.4,32.6,30.4,30,29.3,29.5,29.1,27.8,27.3
1917,28.8,31.1,32.3,34.5,32.6,29.9,29.6,28.9,29.1,29,28.5,27.2
1918,28.4,30.1,32.7,33.4,31.7,30.4,30.4,29.3,30.1,30,29.6,29.9
1919,30.1,32,34.7,34.6,32.6,30.4,29.7,29.6,29.2,29.5,28.8,28.8
1920,28.1,31.5,33.7,34.2,32.7,30.6,29.9,29.5,29.7,29.2,29.4,28.8
1921,29.3,30.9,33.6,34.8,32,30.8,29.2,29.5,29.1,29.1,28,28.5
1922,30.3,32.5,33,34.4,33,30.5,29.2,29.3,29.7,29.5,27.9,27.6
1923,29.4,30.3,33.4,33.4,31.2,29.9,28.9,28.6,29.4,29.3,29.5,29.3
1924,30,31.7,34.2,34,32.6,30.4,29,29.2,29.4,28.8,29.5,26.9
1925,29.2,30.2,33.5,33,32.2,30.6,29.8,29.5,29.6,28.8,29,27.1
1926,29.8,31.6,32.9,35,33.2,31.2,29.9,29.1,30,29.3,28.9,28.9
1927,29.3,31.5,33.9,33.3,31.3,30.4,29.7,29.3,29.4,29,28.9,28.9
1928,31.3,31.3,33.7,34,32.4,29.9,29.6,29.3,29.5,28.5,28.1,29.1
1929,30.3,31.1,32.2,33.4,32.3,30,29.3,29.3,29.3,29.3,28.3,29.8
1930,29.4,31.2,32.2,33.7,31.8,30.4,29.5,28.7,29.6,29.5,28.8,29.1
1931,30.2,31.3,34.4,35.5,33.7,31.1,30.1,29.3,29.3,28.4,27.8,28.3
1932,27.9,31.1,33,34.4,33.5,31.2,29.8,29.9,29.5,29.3,29.5,27.3
1933,29.6,32,33.7,34.8,32.5,30.8,29.6,29.4,29.5,29.7,27.8,28.2
1934,28.9,30.9,33,34,33.4,31.1,29.4,29.3,29.8,29.4,29.2,26.5
1935,30.8,32.3,34,34.7,32.8,30.9,29.5,29.2,29.6,30.3,30,29.8
1936,28.9,30.9,32.9,35,33,30.4,29.4,29.4,29.5,28.6,29.9,31.4
1937,30.9,32.5,35.3,34.8,30.7,29.8,28.8,29.2,28.9,29.5,29.4,29
1938,28.8,31.3,33.5,33.4,30.8,28.8,28.1,29,28.6,28.7,28.1,29.1
1939,29.6,31.2,33.2,34.1,31.5,29.6,28.9,28.8,28.9,30,29.9,24.9
1940,27.6,31.5,33.3,35.1,32,30.7,30,28.8,29.5,30.6,30.3,29.7
1941,32.7,32.6,35.4,35.5,32.8,30.9,29.6,29.3,30.3,30.2,30.5,30.8
1942,29.5,33.8,34.1,34.4,31.9,30.3,29.4,29.2,29.2,30.2,29.5,28.8
1943,29.4,31.1,34.3,33.5,32.8,30.5,30,29.3,29.1,29.7,28.4,28
1944,30.4,32.6,34.3,35.4,32.1,30.5,29.7,29.5,29.8,30,29.1,28.2
1945,31.5,31.9,33.3,35.2,32.3,31,30.1,29.9,30.2,29.3,30.2,29.3
1946,29.1,29.6,34,33.2,31.5,31.5,30.6,29.9,30.2,30.4,31,31.7
1947,33.2,33.1,33.6,33.8,34.2,31.2,30.8,31.2,30.8,30.7,30,30.2
1948,29.5,32.6,34.5,34,32.1,31.5,30.3,29.8,29.8,30.2,28.9,29.9
1949,29.3,32.1,34.1,32.9,32.2,31.8,30.4,29.6,29.6,30.4,29.4,29.8
1950,30.5,32.4,34.3,34,32,30.1,30.1,30.1,29.5,28.8,30,27.5
1951,29.3,32.5,34.5,35.3,32.6,29.5,30.2,29.6,30.2,29.3,30,28.8
1952,31.3,33.6,32.6,34.8,33.3,30.6,29.1,28.6,29.3,29.9,30.4,28.4
1953,30,30.2,33.8,34.3,32.3,30.6,30.2,29.1,30.1,30.5,28.4,28.6
1954,31.4,32.1,33.3,36.1,32.8,31.3,30.9,29.5,29.2,29.5,29.6,28.1
1955,28.4,31.7,33.7,33.3,32.4,29.2,30.3,29,29.7,30.1,28.3,28.3
1956,29.4,32,34,33.5,30.9,30.4,29.5,28.6,29.4,30,28.5,28.5
1957,30.7,31.1,32.6,34.4,35,31.6,30.4,30.6,29.7,29.8,30.6,30.4
1958,30.1,31.5,35,35.8,34.3,31.1,29.5,30.1,29.5,29.9,28.9,28
1959,30.2,32.6,32.8,35,32.8,32.3,29.8,29.2,28.6,30.6,30.8,31.7
1960,31,32.6,35.1,36.8,33.4,31.3,30.3,29.6,29.6,29.4,30.3,29.2
1961,30.2,30.5,33.3,35.2,31.8,30.5,29.5,29.1,28.5,29.4,28.9,29.8
1962,28,31.6,33.9,35.6,31.2,31.2,29.6,29.5,28.6,29.6,29.6,29.2
1963,27.5,31.1,32.7,34.9,35.3,30.7,28.2,29.8,29.5,29.6,29.8,28.2
1964,31.1,32.2,34.3,35.3,31.2,31,30,29.5,29.3,29.4,27.7,27.3
1965,29.2,31.6,33.6,34.1,32.9,29.2,30.4,30.1,29.6,30.4,30.4,30.6
1966,31.1,33,35,35.9,31.5,30.5,30.2,29.1,29.8,30.8,30.3,30.3
1967,28.9,30.8,33.6,33.7,32.2,31.9,31.2,30.1,28.9,29.8,29.9,28.8
1968,30.3,30.8,34,32.9,32.1,30.7,30.5,29.9,30.2,30.5,31.6,31.9
1969,30.9,33,34.4,35.1,33.8,31.1,29.2,29.8,29.5,30.6,28.8,28.3
1970,30,32.2,34.6,33.7,32.8,30,29.4,28.7,29.3,29.8,29.1,29.2
1971,28.6,30.9,32.5,34.6,32.2,29.9,28.9,29,30,29.2,28.5,28.6
1972,29.1,31.8,32.7,33.5,35,31.7,30.2,29.6,30.6,30.5,29.9,29.8
1973,31.2,34,33.4,36,32.5,31.3,30.4,29.1,29.3,30.1,28.2,27.7
1974,29.7,30.8,32.1,33,32,30.7,30.4,29.5,30.2,29.7,28.5,28.2
1975,27.5,31.9,33.1,35.4,31.7,30.2,29.7,29.4,29.4,29.7,28.9,26.7
1976,29.2,31.3,33.3,34.5,30.8,31.9,30.2,28.8,29.8,30.1,27.2,28.4
1977,29.5,30.5,32,33.5,32.7,33.4,30.6,30.4,29.2,30.4,28.8,28.6
1978,30,30.3,34.8,34.9,32.6,31.4,29.2,29.1,28.9,29.6,29.5,29
1979,31.3,33,35.9,35.2,32.8,30.1,31.2,29.4,30,29.9,29.1,29.4
1980,30.9,32.6,34.9,35.7,33,29.6,29.7,29,28.8,29,29.7,28.6
1981,28.7,31.9,33.5,33,31.4,29.1,28.4,28.7,29.6,28.9,27.9,26.4
1982,28.6,31.8,34.1,32.6,32.8,30.2,29.4,28,28.4,29.3,29.8,26.8
1983,27.4,32.3,34,36.7,33.8,30.9,30.7,29.1,29.1,28.8,26.8,26.8
1984,28.3,31.2,33.3,34.2,32,28.8,29.4,28.6,29,28.2,28.9,29
1985,30,32.3,33.3,34,31.7,29,29.2,28.6,29,29.2,29.1,28.4
1986,28.7,32.1,32.7,33.9,30.5,30.4,29.3,29.7,30.3,29.7,28.7,28.2
1987,29.7,31.8,32.4,34.5,33.7,31.1,30.5,30.3,29.4,29.7,29.1,26.3
1988,30.4,32.2,33.8,33.4,30.6,30.4,30.3,29,30.1,28.2,27,27.8
1989,30,31.7,31.7,34.8,32.2,29.5,30.1,29.5,29.4,28.9,28.9,28.3
1990,30.1,31.9,31.7,33.9,31.8,30.1,29.1,30,29.4,29.1,29.3,29.1
1991,31.7,32.9,35.4,35.4,34.2,30.7,31,29.2,30.2,29.6,29,28.5
1992,27.8,31.4,34.6,36.5,35.6,32.1,29.5,29.7,29.6,27.8,27.7,28.6
1993,28.9,31.1,33.3,34.4,33.6,32.4,31.4,29.6,29.5,29.7,30.4,28.6
1994,31.3,33.6,31.5,34.6,31.9,29.8,29.5,28.8,29.6,29.6,29.4,29.4
1995,29.9,31,33.8,35.1,32.7,31.8,29.6,28.8,29.8,29.5,28.7,27.9
1996,29.9,29.3,33.4,32,31.3,30.2,30.4,29.7,29.2,29.4,28.9,27.6
1997,28.9,31,32.7,33.8,33.6,33.4,29.5,29.9,29.8,30.4,30,31.1
1998,31.7,33.5,35.4,35.3,33.9,32.8,30.6,30.6,29.9,30.5,29.3,28.8
1999,29.5,31.1,34.7,31.4,30.3,29.6,30.1,29.3,28.8,29.2,28.4,25.4
2000,29.8,29.9,33.1,32.1,30.8,30,29.6,29.5,29,29.8,29,29.7
2001,31,32.2,31.6,36.1,31,30.3,29.6,29.2,29.4,29.9,27.5,28.8
2002,29,31.6,32.2,34.3,31.8,31.3,29.9,29.2,28.8,29.8,29.5,29.7
2003,28.5,31.4,31.7,34.7,33.8,30.8,30,30.1,29.8,31,31.5,28.3
2004,30.3,30.4,34.3,35.2,32,30.3,30,29.9,29.6,30.3,30.6,29.3
2005,29.9,33.3,33.1,33.9,33.3,31.1,30.5,29.7,29.5,30.4,29.8,28.2
2006,30.2,31.9,33.9,33.2,30.7,31.9,29.9,28.9,29.8,30.3,30.8,28.7
2007,29.4,31.9,33.3,33.7,31,29.9,30.1,29.2,29.3,29.3,28.3,29.7
2008,29.1,29,32.4,33.4,30.6,29.8,29.8,29.1,29.1,29.7,28.5,27.4
2009,27.8,32.4,32.3,33.6,31.6,30.5,29,30.2,30,30.2,30,29.5
