1901,21.7,26.8,28.1,31.3,32.6,36.4,38.5,37.7,35.9,32.9,27.5,23.7
1902,20.2,26.6,27.1,31,33.8,37.3,37.4,38,36.7,32.2,25.5,21
1903,19.5,21.1,24.5,30.1,33.3,36,36.7,37.1,34.5,30.9,26.4,23.5
1904,22.7,24.3,26.5,29.8,32.4,35.9,36.8,38.6,34.7,33,24.4,21.3
1905,21.3,21,24.6,29.8,34.1,38.2,38,37.2,35.6,33.7,29,22.1
1906,21.9,24.4,27.7,32.2,35,38.7,38.3,38.7,35,33.4,28.2,25.2
1907,24.5,24.9,25.8,30.1,33.9,36.5,36.5,36.9,35.5,32.4,27,23.9
1908,23.4,25.1,27.9,32.7,33.3,37.2,37,37,35.6,34.2,27.9,22.6
1909,23,25.5,29.7,30.8,35.8,38.3,37.8,37.7,36,33.7,28.7,24.7
1910,22.6,24.5,25.2,32.9,34.1,37.2,37.9,37.5,36,32,27.1,22.2
1911,23.3,23,26.7,31.2,34.3,36.9,38.2,37.4,35.2,33.3,27.9,22.8
1912,22.3,25.6,26.9,31.5,33.8,35.5,36.7,34.8,35.4,33.2,27.8,22.7
1913,22.2,23.4,25.5,32.1,31.9,35.3,36.6,36.2,35.9,32.4,26.2,22
1914,23.8,24.3,28.3,29.4,34,37.2,37.2,38.3,35.4,32.2,29.2,24.1
1915,24.9,26.5,28.1,31.9,34.1,38.9,38.4,38.7,36.7,34.9,29.6,25.6
1916,22.3,26.1,30.2,32.8,35.4,39.1,38.6,37.9,35.7,32.5,30.4,25.4
1917,24.2,25.9,28.8,32.5,33,37,37.6,37.6,35.5,32.7,31.5,23.8
1918,21.1,23.2,26.6,30.7,34.4,37.9,39.1,37.2,35.6,34.8,29.8,23.8
1919,24.7,26.4,29.3,31.8,34.1,37,37.6,37.3,36.6,35.2,29.2,22.8
1920,21.9,22.4,26.7,31.7,32.9,37.1,37.2,38.5,35,33.5,28,22.7
1921,22.3,23.6,26.2,34.2,33.7,38.1,39.6,39.8,34.7,33.1,28,24.1
1922,23.2,25,27.9,32.8,34,37.6,37.6,37.5,36.5,35.4,30.7,22.4
1923,24.3,24.6,28.1,31,33.6,38.8,37.3,38,36.2,33.2,28.8,23.3
1924,22.2,26.4,29,32.9,32.9,38.2,37.4,37.7,35.7,32.6,26.9,23
1925,20.1,22.9,29.3,31.1,34.6,37.5,38.3,37.5,36.7,34.2,29.3,24.9
1926,22.3,23.8,26.9,31.5,35.8,37.8,36.8,36.6,34.1,33.2,27.6,23.3
1927,23.1,23,28.1,30,35.5,36.9,37.9,37.6,35.5,35.5,29.2,25.4
1928,25,24.2,29.4,32.7,36.8,37.5,37.6,38.1,36.8,33.1,27.7,24.9
1929,22.2,24.8,26.8,32.1,37.5,37.8,37.4,38.6,37.3,32.1,30.2,22.2
1930,22.1,24.6,27.9,32.1,35.2,38.5,38.2,39,36.6,33.8,27.3,26.5
1931,24.3,24.5,29.1,32,33.8,37,37.9,38.8,37.1,34.9,27.9,23.8
1932,22.3,25.2,28.4,31.7,32.3,39.1,38.3,38.9,35.9,35.3,29,23.5
1933,23.4,25.8,28.3,29.8,34.8,39.3,37.1,37.4,34.9,32.1,31.4,25.4
1934,23.5,22.4,28.8,32.6,35.8,38.5,37.9,38.4,35.9,34.4,30.3,22.9
1935,23.6,25,29.4,30.5,36,38.8,37.2,38.6,35.3,34.7,26.3,23
1936,23.9,27,29.8,33.2,35.7,37.8,38.1,38.7,34.9,35.7,31,23.5
1937,21.5,24.7,28.9,31.7,35,36.9,37.5,38,38.2,35,29.5,25.3
1938,23.7,24.8,25.5,32.7,34.6,35.7,37.6,39.4,36.5,33.5,28,25.4
1939,23.1,24.5,27.5,32.1,37,38.1,37.6,37.6,37.4,35.9,28.2,25.3
1940,23.9,25.6,27.3,32.2,35.9,39.4,38.1,37.1,36.3,35.1,27.9,24
1941,24.6,27.5,28.5,32.5,35.2,38.4,39,37.7,35.8,33,29.2,21.9
1942,22.7,26.5,29.3,33.2,35.3,38.1,37,37.2,34.3,33.6,29,24.8
1943,22.3,23,25.3,28.8,34.2,35.6,38.2,37,36.5,34.5,30.4,25.5
1944,22.3,24.3,28.8,32.5,33.8,38.3,37.6,38.2,36,34.3,27.3,23.7
1945,23.8,22.4,25.5,30.7,34.7,36.5,38.1,39.3,36.1,32.5,28.2,23.1
1946,23.7,23.1,26.8,31.8,33.9,37.2,38,38,37,33.6,29.2,24.5
1947,23,26,28.9,32.4,35.5,37.9,38.3,38.6,36.2,33.8,27.6,26
1948,23.3,24.7,24.7,30.5,34.5,37.8,37.2,37.2,35.3,32.1,28,22
1949,21.7,22.2,27.1,28.5,35.9,37.3,37.3,37.8,34.6,33.3,29.4,22.7
1950,22.5,23.8,27.1,32.5,34,37.1,37.8,38.8,35.8,33,28.3,25.7
1951,22.9,23.8,28.1,30.9,34.2,36.8,37.7,37,35.9,33.6,26.1,21
1952,22.1,24.1,26,31.5,33.9,36.6,36.5,38.6,37,34,27.1,24.9
1953,23.1,24.6,26.4,31.4,34.3,37.5,38.6,37.7,34.9,33.1,25.7,21.3
1954,22.1,23.9,28,30.9,34.3,37.1,38.2,38.1,34.6,32.6,26.8,22.7
1955,22.7,25.6,27.3,31.8,33.3,38.2,36.9,37.1,35.8,33.5,27.4,21.8
1956,22.5,26.5,26.7,31.6,33.4,37.1,38,37.5,35.7,32,27.9,22.3
1957,21.3,22.8,26,30.4,33.3,37.3,37.7,38,35.9,33.9,27.8,23.8
1958,22.5,24.8,28.2,34.3,33.8,37.3,37.7,37.9,34.7,31.4,28,25
1959,22.1,20.9,26.1,31.8,34.6,37.9,36.8,37.2,34.5,31.3,27,22.8
1960,22.9,25.7,27.5,31.6,34,37,37.5,37.5,35.4,34,28,25.8
1961,23.1,21.8,25.1,30.3,33.5,38.8,37.3,36.9,33.3,31.7,26.1,22.2
1962,22.1,24,30,30.8,33,38.2,37.4,38.4,36.3,33.7,29.4,23.3
1963,24.9,26.1,26.4,32.1,33.5,37.9,37.7,38.1,36.1,34.1,27.4,23.7
1964,20.8,22.9,27.4,31.4,32.3,36.5,36.8,37.7,34.2,31.8,26.4,22.6
1965,22.4,24.9,28.2,29.7,31.9,37.1,37.8,37.6,35.4,31.8,26.7,22.5
1966,22.5,23,26.3,31.7,33.8,37.4,36.8,36.7,35,32.7,29.2,23
1967,21.8,23.5,24,30.7,32.8,36.4,36.7,36.4,34,30.8,25.7,22.8
1968,21.7,23.6,26.5,29.3,32.8,37.2,37.6,37,35.1,31.5,26.5,23.1
1969,21.1,26.4,29.4,30.5,33.4,36.9,36.3,38,36.8,33.8,28,24.4
1970,23.6,25.4,27.4,32.3,34.6,36.6,36.8,37.6,35.2,31.7,26.9,21.5
1971,24.1,24.2,28.3,30,34.4,36.4,36.7,37.2,35.3,32.4,26.7,21.4
1972,21.8,23.6,27.1,31.2,33.5,36.5,36.7,37.8,36.3,34.2,26.3,21.8
1973,22.3,26.2,27.2,32.1,33.7,37.4,37.7,37.7,35.4,33.5,25.5,23.4
1974,20.7,24.5,27.5,32.5,33.6,36.9,37.2,37.3,35.3,33.5,27.5,21.2
1975,20.8,23.8,28.2,31.8,34,36.6,37.7,36.8,35.2,32.5,27.3,22
1976,21.4,22.9,27.1,32,34.4,37.1,37.3,36.9,36.2,33.9,27.8,24.2
1977,21.9,26.1,26.4,29.8,34.2,37.4,38.1,38.2,35.4,31.2,26.6,21.4
1978,21.8,24.7,27.4,33.1,35.9,37.1,37.4,36.3,34.6,33.4,25.1,23.3
1979,22.7,27,28.1,33.3,34,37.9,37.5,36.8,35.9,33,29,21.5
1980,22.1,22.9,27.6,31.9,35.3,37.8,37.5,37.5,34.8,33.5,28.1,23.4
1981,20.3,23.2,28.9,31.9,34,37.3,37.5,37,35.7,33.6,25.1,23.9
1982,23.8,22.3,25.3,31.8,32.9,36.7,36.7,37.3,35.9,32.5,25.1,21.6
1983,19.3,21.9,24,29.8,33.5,37.1,37.9,37.3,35.4,31.7,28.1,23.6
1984,21.8,25.2,28,32.1,35,36.5,36.6,36.3,35.3,33.4,26.3,22.6
1985,24.8,23.8,29.3,31.7,34.7,37.9,37.5,37.8,35.5,31.3,28.3,23.5
1986,22.3,25.7,28.4,31.1,32.3,36.9,38.1,37.8,36.6,32.2,25.7,21.3
1987,22.6,26,26.7,30.2,34.2,36.9,37.7,37.9,35.5,31.8,27.3,22.9
1988,22,23.5,27.6,32.6,36.1,37.8,38.5,38.6,36.5,31.4,26.2,23.2
1989,19.3,21.8,27.6,32.7,35.7,37.5,38.1,38.1,36.5,31.9,26.9,22.7
1990,21.8,22.7,25.2,32.6,34.8,37.2,37.2,36.9,34.7,33.2,29.1,25.9
1991,22.2,24.7,28.2,34.2,34.4,36.8,37.1,37.3,35.4,33.5,27.9,20.7
1992,19.4,20.3,24.9,30.6,33.4,37.9,37.1,38.1,33.4,33.3,26.6,21.4
1993,21.7,22,27.9,32.1,34,38,35.9,37.9,35.4,34.3,28.6,25.4
1994,23.1,22,25.5,33.5,34.7,36.5,38.1,39.1,35,34.9,26.3,21.3
1995,23.4,23.8,27.5,31.9,34.6,39,39.2,38.8,36.7,34,26.5,22.5
1996,22.8,25.4,27.3,31.1,36.6,37.3,38.4,38.8,38.5,33.3,25.4,23.8
1997,23.9,22,25.7,31.8,35.3,38.5,39.1,38.5,36.2,33.4,27.4,23
1998,21.8,24.4,25.1,33.3,35.4,37.8,39.3,40,35.9,34.9,28.6,25.1
1999,23.2,27,27.3,31.8,36.5,37.6,39,38.1,37,32.8,28.8,24
2000,22.1,23.5,26.3,33.5,34.1,37.1,39.3,39.5,36.3,31.2,27,22.6
2001,22.6,24.4,30,32.5,35.1,37.8,37.4,39.7,36.1,32.2,26.9,22.9
2002,20.2,26,28.9,32.2,34.1,38,39.7,39.4,37.3,34.1,28.7,22.8
2003,24,23.3,27.2,32.8,36.3,39.2,38.9,40.2,35.5,34.4,28.2,22.9
2004,23,25.2,29,32.7,36,38.5,39.2,38.3,36,33.8,27.9,22.5
2005,21.6,25.7,27.9,32.7,33.8,38.8,38.8,39.7,37.1,33.6,26.6,24.8
2006,23.6,25.6,28.7,31.3,34.7,38.3,38.4,39.5,36.2,32.7,26,21.8
2007,21.8,24.6,27.3,32.6,35.8,38.5,37.8,38.5,35.3,33.7,28.6,23.3
2008,20.8,23.9,31.1,33.5,34.7,39.2,38,38.7,37.6,32.3,28.3,24.6
2009,24,26,26.8,33.9,33.6,38.5,39.2,39.1,35.9,33.8,27.7,24.3
