1901,21.6,25.4,31.3,35.2,33.6,33.8,32,31.7,31.2,31.6,27.2,23.8
1902,24.1,26.2,32.3,33.3,32.9,33.5,31.2,32,31.2,30.4,27.2,23.7
1903,22.8,24.9,30.5,34.7,34.8,33,32.8,31.5,31.6,31.2,27.1,24
1904,23.4,25.8,31.6,34.7,32.8,32.6,31.3,31.6,32,31,26.9,24.4
1905,22.2,23.5,28.8,32.1,32.7,34.4,31.7,30.8,31.4,30.9,28.1,24.2
1906,22.5,25,29.2,34.8,34.4,33.5,32.4,31.1,32.5,30.8,28.1,24.6
1907,24.3,24.6,28.6,32.3,33.4,33.1,31.8,32.5,31.9,31.7,27.7,24
1908,21.8,25.1,31.7,36.7,34.3,33.6,32,32.4,32,31.8,27.3,23.8
1909,23.8,25.5,33.5,33.3,34.3,32.2,32.1,31.1,32.7,31.5,28.9,24.3
1910,22.5,25.7,31.1,34.6,33.7,32.4,31,31.9,32.1,30.6,27.3,23.9
1911,24.3,24.9,29.9,34.1,34.1,32.5,32.1,31.6,31,30.1,26.9,23.3
1912,23.6,26.2,30.5,32.4,33.1,33.5,31.2,31.7,31.8,31,26.7,23.8
1913,23,24.9,29.2,35,32.7,31.3,32.1,31.6,32,30.5,26.6,23.4
1914,23.6,26.1,30.4,32.4,33,32.9,31.9,31.2,31.6,29.9,27.7,24.8
1915,23.9,25.6,30.4,34,33.3,32.6,32.1,32,31.7,32.8,29.2,24.4
1916,23,25.5,33,34.4,35.4,32.4,31.3,31.5,31.6,30.6,27.6,23.4
1917,22.6,25.5,30.1,33.4,32.4,32.4,31.7,31.9,31.2,30.4,27.4,24
1918,22,25.3,31.3,33.3,33.5,31.5,32.2,30.8,32,31,27.4,23.4
1919,23.7,24.4,32.2,33.7,33.7,33,31.8,32.5,31.4,30.9,27.8,24
1920,23.5,25.6,29.6,33.8,33.2,33.7,32.3,32,31.4,31.4,28.2,25
1921,23.6,25.4,32,34.7,35.2,33,31.8,31.8,31.6,29.5,27.3,23.7
1922,23.7,26.6,32.5,35.8,35.5,32.1,31.7,31.5,31.4,30.3,27.7,24.2
1923,23.6,25.5,32,35.1,34.1,34,31.9,32.5,31.9,30.7,27.6,24.3
1924,23.5,25.5,33.5,35.7,33.8,34.6,31.5,31.7,30.8,31.6,27.6,25
1925,22.1,23.6,31.1,33.8,33,33,31.6,31.6,31.3,30,27.2,23.4
1926,23.2,25.9,29.7,33.1,33.8,35.1,31.7,31.7,31.6,30.9,26.7,24.7
1927,22.5,25.1,29.7,34.3,33.1,33.5,32.3,31.9,31.6,31.4,27.8,24.6
1928,22.6,26,32.3,34.6,34,32.6,31.9,32.1,32.4,31.3,27.5,24.7
1929,22.8,24.7,31.8,34,34.5,33.6,31.8,31.9,31.9,30.5,27.5,23.7
1930,22.3,25.2,31.5,34.1,34.2,32.7,32.2,32,32.1,31.1,27,23.8
1931,24.2,25.4,30.7,35.1,33.4,34.3,31.5,32.5,31.1,31.1,27.2,24.8
1932,24,24.4,32,34.7,33.5,33.6,31.9,32,32,31.7,28.3,24.2
1933,22,26.2,32.5,33,33.5,32.8,31.9,31.6,32.2,31.5,27.8,24.5
1934,23.1,25.4,31.3,34.7,33.9,32.5,31.9,32.1,32.5,30.5,27.2,24.7
1935,22.5,25.7,32.5,34.1,36,35.2,32.4,31.2,32.1,31.6,28.3,24.6
1936,22.4,25.3,32.3,35.1,33.1,31.8,31.7,32.2,31.6,30.5,28.5,24.3
1937,22,25.8,30.8,34.7,32.9,33.1,32.7,31.4,32.3,31,27.2,24.2
1938,24,24.1,32.9,36.4,32.2,32.6,31.5,31.9,33,31.8,26.6,24.5
1939,24.1,26.2,30.7,35.8,34.6,33.2,31.4,32.1,31.7,30.8,27.7,24.8
1940,23.4,25.6,28.6,34.7,34,33.8,32,32.3,32.1,32,29,25
1941,23.2,26.1,33,35.4,33.8,31.9,32.2,32.2,32.3,30.1,27.6,25.9
1942,23.6,26,31.8,34.3,34.8,34.7,32.1,32.1,31.4,31.7,28.9,24.8
1943,25.1,24.9,30.9,32.4,34.9,33,31.7,31.8,32.4,32.2,29.7,26
1944,23.3,26.2,31.2,32.3,36.1,35,31.9,32.7,32.2,31.7,28.7,26.3
1945,23.2,24.3,32.2,33.5,33.3,34,32.4,32.2,32.4,30.3,27.9,23.8
1946,24.5,27.4,32.1,31.8,33.1,33,31.6,32.6,32.5,30.6,29.4,25.9
1947,23.8,26.8,32.3,36.4,34.1,34.4,32.6,32.3,32.5,31.2,28.9,25.8
1948,24.6,25.9,30.3,35.5,33.4,33.9,31.2,32,32.1,30.6,29.1,24.4
1949,24.6,25.8,32,31.8,31.7,33.5,31.6,31.9,32.1,31.9,28.2,24.6
1950,25.1,26.3,31.9,35.6,34.9,32.3,31.8,31.5,32.6,30.8,28.3,25.7
1951,24.1,26.7,31.7,35.1,34,33.7,32.2,33,31.7,32.6,29.4,26
1952,25.9,28.3,31.7,33.2,33,33.8,31.5,31.5,31,31.1,28.9,25.7
1953,23.3,27.4,33.5,35.8,34.9,33,31.2,32.3,31.5,30.5,27.9,26.8
1954,23,27.8,32.9,37.6,36.2,32,31.2,31.6,31.6,30.1,27.6,24.6
1955,23.4,26.4,33.2,34.2,35.5,32.9,31.1,31.2,31.9,31.2,28.4,23.8
1956,23.4,26.7,32.3,36.5,35,30.9,31.3,31.7,31.3,30.4,27.7,24.1
1957,22.4,25.2,30.6,36.4,36.9,34,31.6,31.9,32.3,31.7,28.9,25.4
1958,25.1,26.2,32.8,35.7,35.5,35.4,32.6,31.4,32.1,32.8,29.8,26.1
1959,23.3,26.8,32.5,35.5,34.5,33.3,31.4,32.1,31.1,30.9,28.4,26
1960,24.6,29.5,30.4,35.9,34.7,33.5,31,32.5,31.1,31.1,27.8,26.5
1961,24.3,24.2,32.2,35.6,34.9,32.7,31.6,32.2,31.6,30.4,26.2,23
1962,23.3,26.4,32.6,35.2,33.3,33,32.5,31.2,31.8,30.7,28.8,25.5
1963,24.9,29,31,33,32,32.7,32,31.8,32.3,31.2,28.5,26.9
1964,24,26.7,32.9,34.5,32.6,34.6,31,32.1,31.8,32.5,28.3,26
1965,25.4,26.8,30,34,34.9,35.1,31.5,31.9,32.2,30.9,28.5,25
1966,24.2,28.3,32.5,35.7,36,33.9,32.6,31.4,31.9,31,29.8,25.4
1967,24.1,28.2,29.7,33.1,34,34.3,32.2,31.6,31.6,30.9,27.4,25.9
1968,23.2,25.4,31.7,34.2,35,30.9,31,32.3,33,29.2,28.3,24.2
1969,24.3,27.1,33.2,34.5,32.9,33.7,31.6,31.2,31.2,31.2,29.1,26.4
1970,23.5,25.4,31.9,37.5,35,32.7,31.9,32.2,31.3,30.9,27.1,25.4
1971,22.9,24.3,30.8,31.6,31.3,31.4,30.4,30.3,32,30.4,26.9,25.3
1972,24.4,23.9,31.6,34.2,36.4,33.8,32.7,32.2,32.4,30.6,26.5,24.9
1973,23.5,25.8,30.3,35.2,33,31.2,32.1,31.9,31.1,29.8,27.2,24.7
1974,23.6,26.4,30.4,34.4,32.8,32.9,30.9,31.3,31.8,32.4,27.9,23
1975,23.1,25.6,31.5,35.8,34.4,33.2,30.9,31.9,30.6,31.8,29.4,24.7
1976,23.9,26.7,32.2,34.9,32.8,33.3,32.2,31,31,32.6,31.2,25.3
1977,23.7,27.3,34,34.2,31.3,32,31.4,32.1,32.1,30.2,28.9,24.5
1978,22.1,24.8,29.7,33.7,32.8,31.9,31.5,32.1,30.7,30.9,29.5,24.8
1979,24.6,24.4,31.6,35,36.4,34.3,32.4,33.3,32.4,32.1,30.3,24.8
1980,23.4,26.1,31,36.4,32.2,32.5,31.7,32.3,32.4,31,29.3,26
1981,22.3,26.2,30.4,32.5,31.4,32.9,31.1,32.4,31.9,33,29.1,24.6
1982,24.2,24.7,29.6,34.2,35.6,33.1,33.6,32.4,33.5,31.2,28.8,24.4
1983,22.6,24.6,31.9,33.4,33.1,35,33.3,33.2,32.2,31.5,28.8,24.8
1984,23.4,25.5,33.5,35.4,35.6,31.4,31.1,31.8,31.5,32.6,28.2,25.2
1985,23,26.8,33.7,35.2,33.3,33.7,30.4,32.3,31.1,31.4,29,26.5
1986,24.4,26.9,31.5,33.1,32.1,34.5,31.5,31.8,31.8,30.6,29,24.4
1987,23.2,28,31.9,34.2,34.1,34.8,32.2,31,31.9,31.1,28.4,25.7
1988,25.8,27.1,32,35.7,34.5,32.1,31.5,32.1,32.8,32.3,29.3,26.1
1989,22.6,26.7,32,36.7,34.7,32.2,32.4,31.9,32.1,32.4,29.4,24.6
1990,25.9,25.2,29.5,33.6,32.9,33.5,31.5,32.5,32.2,30.7,30.2,25.8
1991,21.8,26.8,32.1,34.7,35.1,32.1,32.5,31.6,31.7,32.9,30.2,24.1
1992,22.3,23.3,32.3,36,32.8,33.4,31.6,31.8,32.6,31.2,28.5,24.5
1993,22.9,27,29.9,32.6,32.2,32.5,32.4,31.5,31.6,31.8,29.6,25.6
1994,23.5,24.4,32,33.7,34.6,32.8,32.6,31.8,33.2,31.7,27.6,24.9
1995,22.9,28.4,31.8,35.7,35.2,33.5,32,31.6,32.7,32.1,27.2,24.9
1996,24.6,26.9,33.4,34.8,34.7,33.1,31.9,31.6,30.6,31.4,30.2,24.9
1997,24.4,24.9,31.4,33.6,33.8,33.5,32.1,31.7,31,29.8,28.6,23.4
1998,24.5,27.7,31.7,34.4,35.3,33.9,31.9,31.4,32.8,33.2,29.6,24.8
1999,24.5,27.6,33.5,36.8,33.9,33.1,31.7,31.5,31.4,31.3,29.6,26.4
2000,23.7,24,30.6,33.7,33.4,32.5,32.1,32.5,30.8,31.7,29.8,25.7
2001,24.9,27.2,31.7,34.7,33.5,33,32.3,32.1,32.8,31.9,30.4,26.6
2002,24.2,27.5,32.5,34.4,33.6,33.2,31,31.9,31.7,31.9,29.9,26.5
2003,24.1,26.8,30.8,35.1,33.6,32.9,32.2,33,32.4,32.4,29.6,24.9
2004,23.9,27.2,34.2,34.6,34.4,32.9,31.2,32.8,33.2,30.9,28.5,26.5
2005,23.7,27.5,32.6,34.5,33.4,34.2,32.2,32.5,32.3,31,29.3,25.6
2006,25.9,29.8,32.6,33.8,34.3,33.3,32.1,32.7,32,31.9,29.6,26.4
2007,24.3,26.2,32,35.4,34.7,33.9,32.2,32.7,32.3,32.7,29.8,26.2
2008,24.2,25,32.9,35.1,34.1,32.9,31.4,32.4,31.8,32.1,29.9,26.6
2009,25.7,28.3,32.7,36.6,34.3,34.2,32.8,32.9,32.7,32.7,29.9,26.2
