1901,20.6,24.7,31.2,37.5,39.2,39.7,34.7,32.9,33,33.4,29,24
1902,24,26.8,33,36.9,39.3,38.1,33.3,33,33,31.2,28,23.8
1903,22.5,24.6,30.1,37.1,40.1,38.5,35.3,32.9,33.5,31.9,28.2,24.1
1904,22.9,26.7,31.5,38.6,38.2,37.5,33.1,32.3,32.7,32.1,27.2,23.6
1905,20.3,23.5,27.9,34.2,38.6,39,33.7,32.6,33,32.4,28.6,23.5
1906,21.5,23.5,29.6,37.9,40.6,37.8,33.9,32.4,33.3,32.2,29.4,24.8
1907,24.6,23.5,27.7,34.9,38,38.3,34.7,33,33.9,33.4,29.2,23.5
1908,22.3,25.9,31.9,39.9,39.8,39,33.5,32.6,33.4,32.7,27.7,23.2
1909,22.9,24.7,33.3,35.6,39.7,36.3,33.6,32.9,33.8,33.2,30.4,24.4
1910,23.1,25.4,31.9,37.3,38.8,36.6,32.8,32.5,32.8,31.4,27.6,23.4
1911,23.4,25.8,29,36.9,40.3,36.7,34.9,32.8,32.2,31.8,27.5,23.2
1912,22.6,26.6,30.9,35.8,38.2,37.9,33.3,32.3,32.2,32.1,26.8,23.3
1913,22.8,24.5,28.9,37.8,37.3,35.4,33.4,32.9,33.4,31.9,26.9,22.6
1914,24.1,25.1,29.9,35.6,37.9,37,33.2,32.4,32.5,30.5,28.2,23.9
1915,23.5,24.7,30.3,36.8,39.7,37.2,34.2,32.7,32.9,34.5,29.7,24.1
1916,22.9,25.2,34.4,38,40.4,36,33,32.4,32.6,32.2,28.7,22.9
1917,22.5,25.1,29.9,34.1,35.3,36.2,33.3,32.6,31.8,31.4,28.5,23.5
1918,21.7,26.2,31.8,35.5,39.2,35.8,34.8,32.4,33.2,32.4,27.9,22.4
1919,22,24.3,31.2,35.2,37.9,37.3,33.2,32.6,32.4,31.8,28.2,23.3
1920,23.9,24.5,29.7,36.9,36.7,37.3,33.2,32.6,32.8,32.5,28.9,25.3
1921,22.8,24.8,34,38.6,41.8,37.1,33.5,31.8,31.7,29.9,27.7,24
1922,22,26.8,33.2,37.7,40.9,36.8,33.5,32,32.3,31.1,28.3,22.7
1923,23.3,24.4,32,38.6,39.7,39.7,33.5,32.9,32.8,31.3,28.5,24
1924,22,25.7,33.4,38.5,37.9,40.7,33.6,32.4,32,32.5,28.2,24.4
1925,21,25,31.6,37.9,38.9,36.2,33,32.7,32.7,31.8,27.5,23.9
1926,22.4,26.5,29.3,34.1,37.8,40.3,34.1,32.7,32.9,31.9,26.6,24
1927,21.8,24.2,30.3,37,38,38.3,33.8,32.3,33.3,32.2,28.1,24.9
1928,22.1,25.8,31.9,36.5,40.2,37.2,33.6,33.6,34.1,33.3,28.5,24.1
1929,22.5,24.9,32.7,37.4,40.7,37.9,33.5,32.1,33,31.5,28.7,23.3
1930,21.5,25.1,32.7,37,39.3,37.5,33.3,32.7,33.4,32,28,24.1
1931,24.1,24.1,31,39,39.4,39.6,33.7,33.5,32.6,32,28.3,24.6
1932,24.5,24.5,32.2,37.1,39.2,39.1,34,32.6,33.1,32.5,29.5,23.8
1933,21.4,26,32.1,35,36.9,37,33.3,32.7,32.8,32,28.9,24.6
1934,22,26.8,30.9,37.9,39.6,37.1,33.4,32.3,33.4,32,28.6,23.4
1935,20.8,25.8,31.9,34.5,40.6,39.4,33.3,32,32.8,32,28.7,22.9
1936,21.6,24.5,31.6,36.3,39.5,35.4,32.7,32,32.5,31.5,28.9,22.5
1937,21.6,24.9,30.6,35.3,38.7,37.7,33.8,32.2,33.1,31.3,27,23.2
1938,22.1,23.8,33,38.2,39.4,35.9,32.8,32.5,33.5,32.5,27,24.7
1939,23.3,25,29.1,36.7,40.6,36.9,33.3,32.7,32.8,32,28.8,24.7
1940,22.8,24.9,28.7,36.3,39.5,38.3,33.6,32.8,32.5,32.7,29.6,23.1
1941,22,26.3,33.7,39.4,39.7,36.8,34.6,33.1,33.5,33.1,28.7,25.6
1942,22.3,26.4,33.1,37.6,40.2,39.1,33.5,32.5,32.7,32.8,29.9,23.7
1943,23.2,26,32.4,35.3,40.5,38.3,33.8,32.2,33.7,32.8,30.6,25
1944,21.7,24.6,30.6,35.4,41.1,37.8,33.7,33.1,33.4,32.6,29.5,25.9
1945,21,24.5,32.2,35.6,39.4,38.9,34.1,33.3,33.1,31.4,28.9,23
1946,24.8,27.7,31.6,36.8,38.1,37.4,33.4,33.4,34,32.1,29.3,24.9
1947,22,26.4,32.5,38.9,39.9,39.4,33.8,33.2,33.5,32.1,29.6,24.8
1948,23.4,25.4,31,38.8,40.6,39.4,33.5,32.5,33,32.2,28.6,23.6
1949,24.6,25.5,32.1,37,37.9,38.9,33.5,32.8,33.2,33.1,28.2,22.7
1950,23.6,25,30.5,37.2,39.7,37.3,33.2,32.4,32.8,32.3,29,24.2
1951,21.6,26.1,31.6,35.8,39.6,38.2,34.3,33.2,33,34.3,29.9,24.5
1952,24.4,27.5,30.5,37.8,39.7,37.4,33.6,32.5,33.6,33.3,29.3,24.7
1953,21.5,27.9,34.8,38.3,40.3,38.6,33.1,32.7,33.3,32.4,28.9,25.7
1954,21.6,26.8,32.8,38.8,41.3,38,33.7,32.6,33.2,31.3,28.6,23.2
1955,22.1,26.8,33.6,35.8,38.8,37.9,33.1,31.8,32.4,31,29.6,23.3
1956,22.3,27.9,32.2,39,40.8,35.9,33.5,32.7,33.2,31.4,28.9,22.5
1957,21.2,25.2,29.6,36.7,40.2,38.2,33.8,33.1,33.4,32.5,30.4,24.4
1958,23.7,25.8,32.2,38.6,40.1,39.9,33.5,32.2,32.8,32.4,30.3,24.7
1959,23.1,25.7,33.6,38,40,38.5,33.3,32.6,32.5,31.5,29.1,25.5
1960,22.7,30.3,30.7,36.9,40.8,39,33.4,32.6,33,32,29.3,25.2
1961,22.8,23.5,32.4,37.8,39.7,37.7,34.1,32.6,32.6,31.2,26.5,22.1
1962,22.1,25.5,31.8,37.6,39.5,39.7,34.8,32.5,32,32.3,29.2,24
1963,24.5,28.8,30.5,35.5,37.8,37.4,34.3,32.5,32.9,33.1,28.5,25.6
1964,23.2,26.2,34.3,37.7,38.3,39.6,32.8,32.8,32,34.8,29.5,24.8
1965,24.9,25.7,30.3,35.2,39.4,40.6,33.7,33.3,33.6,32.5,29.6,25.6
1966,24.9,28.7,32.8,38.3,40.9,38.3,35.4,32.7,33.5,33.5,29.5,24.7
1967,23.6,29,29.6,36.1,39.9,39.4,33.9,31.6,32.8,32.7,27.4,24.2
1968,21.2,24.7,31.5,36.8,39.9,36.4,33.5,33.3,35.1,32.1,29.4,24.1
1969,22.5,27.5,35.2,37.2,38.3,39.3,33.6,32.6,32.1,33.4,30.7,26.1
1970,23,25.2,31.4,39.8,39.7,36.6,34.2,32.8,32.6,33.2,29.3,25.6
1971,22.1,26.1,32.1,35.9,36,34.6,32.2,31.4,33.5,31.6,28.5,25.5
1972,24.1,23.9,32.8,36,41.3,39.9,35,32.5,33.1,31.4,28.8,24.7
1973,22.7,26.2,31.6,39.8,39.3,36.2,34.5,31.9,32.7,31.1,28.5,23.2
1974,22.6,25.5,33.1,38.8,38.9,37.4,33.3,32.4,33.3,33.6,29.1,22.9
1975,20.7,25,31.2,38.1,40.2,37.4,32.2,32.2,30.7,32.8,28.9,24.5
1976,22.8,25.1,30.7,36,38.5,36.8,33.9,31.5,32.3,32.7,31,24.8
1977,22.3,25.7,33.7,35.9,36,36.8,32.6,32.6,32.1,31.9,30,23.5
1978,21.5,23.7,28.3,36.3,40.6,37.1,32.9,32.4,31.8,32.4,28.7,24.7
1979,23,23.5,29.8,37.8,39.5,37.3,33.7,33.2,34.2,32.8,30,22.8
1980,22.8,26.4,30.1,38.9,39.5,35.8,32.3,32.7,33.1,31.5,29.1,24.6
1981,20.6,26.5,29.9,37,37.6,37.9,32.2,32.6,32.9,33.2,27.8,23.6
1982,22.8,23.6,28.2,35.7,36.5,36.9,35.8,33.1,33.9,31.5,27.9,24.6
1983,21.3,24.5,30.3,34,37.1,37.6,34.6,33.5,32.4,31.2,29,23.9
1984,21.3,25.1,34.2,37.2,41.1,36.6,32.7,32.8,32.3,33.6,28.2,24.5
1985,21.3,26.8,35,38.3,39.5,37.7,32.1,32.5,32.1,31.1,29,24.2
1986,22.8,25.2,30.7,36.2,36.5,37.7,32.7,32.8,32.8,30.9,29.5,23.5
1987,22.7,26.6,32.1,37.6,37.9,39.5,34.8,33.1,33.4,32.4,30.1,25.5
1988,24.5,26.9,31.8,38.2,39.9,36.8,32.1,32,33.5,33.5,28.7,24.5
1989,21.3,24.6,30.7,37.4,39.9,36.4,34.2,32.7,32.9,32.7,28.5,22.6
1990,25.3,23.3,29.2,36.6,36.7,37.8,31.9,32.4,31.8,31.8,29.5,23.4
1991,20.9,26.2,31.4,35.6,38.7,36.5,34.8,31.7,32.4,32.7,27.7,23
1992,21.7,23.4,31.8,36.9,37.1,37.3,33.4,31.6,32.3,31.3,28.4,23.4
1993,21.4,26.9,27.8,34.6,38.1,38.5,33.2,32.7,32.2,32.6,30.1,25.3
1994,23.3,24.9,34.2,36.2,39.6,37.8,33.2,32.5,33.7,32.9,29,25.2
1995,20.4,24.9,30.4,37,40.8,38.7,34.5,31.9,33.2,33.6,29.5,24.9
1996,22.3,26.7,32.2,37.1,39.6,38.2,33.6,32.1,33.5,31.7,30.2,25.3
1997,22.5,24.7,31,35.6,37,36.4,34.2,32.6,32.3,30.3,26.9,23
1998,22.3,26.3,29.4,36.9,40,39.2,33,32.6,32.9,33.2,30.6,26.7
1999,23,27.5,34,38.9,38.9,36.7,34.2,32.9,32.5,32.4,31.3,25.7
2000,24,24.5,30.8,38.6,38.2,35.7,33.6,33.2,32.7,34.1,30.8,26.1
2001,23,26.7,31.2,36.3,38.3,36.4,33.7,33.6,34.4,33.8,31.2,25
2002,23.4,26.8,33,37.8,40.4,38.1,35.3,32.9,31.7,32.8,30.1,25.1
2003,24.5,25.8,31,38.3,38.5,38.6,33.7,33.1,33.1,33.6,30.3,25.3
2004,22.7,26.6,34.7,39.2,40.1,36.4,34,33.6,34.7,32.2,29.6,26.7
2005,24.1,26.3,33.2,37.1,37.9,39.8,33,34,33.1,32.5,29.8,24.1
2006,24.5,30,31.8,36.9,38.9,37.4,33.3,32.7,33.3,33.4,30.3,25.4
2007,23.6,25.1,31.6,38.2,37.4,37.4,34,33.4,34,33.9,31,23.9
2008,23.3,25.7,33.7,36.4,37.9,35.2,31.8,32.5,33.3,33.8,31.3,26.9
2009,23.8,28.2,33.3,38.7,39.3,38.4,34.2,34.1,32.4,33,30.6,25.8
