1901,21.9,23.1,26.6,26.8,30.8,34.1,36.9,36.9,36,31.6,26.3,22.6
1902,21.9,24,23,28,31.5,35.6,36.9,36.1,35.2,31.4,23.9,21.6
1903,22.2,21.2,24.8,27.6,30.9,35.1,37.7,37.1,34.4,31.3,27.7,23.2
1904,24.3,25.3,28.1,30.1,34.2,36.7,39.2,37.1,36.9,31.7,28.2,22.3
1905,21.7,22.2,24.8,27.8,31.7,38,39,37.5,36.1,32.4,23.3,19
1906,19.7,22,24.6,27.3,32.5,38.8,39.1,35.9,36.8,32.6,24.8,20.7
1907,19.1,24.7,25.4,29.3,31.8,37,39,36,36.1,29.9,24.5,23.8
1908,22,22.3,26.5,29.1,32.1,37.7,37.4,37,36.7,31.4,26.2,20.7
1909,23.7,23.2,23.5,30.2,32.6,39.2,40.1,37.8,36.9,34,26.8,19.1
1910,20.3,23.6,29.2,31,36.6,39,40.6,39.7,39.3,33.1,27.1,23.8
1911,22.2,21,27,29.9,33.7,38.2,39.3,38.6,37.4,31.7,25.4,19.5
1912,23,24.8,21.9,26.9,32.1,38.5,38.1,38,37,30,27,20.2
1913,19.5,20.7,23.7,29.4,33.4,37,38.9,38.7,38,33.1,25.7,20.2
1914,22.4,23.7,26.9,30.2,33.5,37.3,38.5,39.6,37.9,31.7,27.9,18.8
1915,19.9,21,25,28.3,31.1,38.5,39.4,40.2,36.4,34.1,26.6,21.5
1916,18.5,24.7,28.6,30.7,33.9,38.8,38,38,36.1,29.9,26.4,20.1
1917,18,21.9,24.6,28.4,30.6,38.6,39.4,39,37.3,34.7,28.7,25.6
1918,20.7,20.5,26.1,29.8,32.3,39.6,39.3,36.6,38,32.8,24.6,20
1919,20.9,20.1,23.9,30.4,33.1,39.1,38,38.8,36.4,29.3,24.9,22.4
1920,20.2,22.9,24.4,27.8,33.7,37.2,41.3,38.3,36.5,29.3,25.3,21.4
1921,19.6,23,26.7,29,30.1,36.1,39.3,39.1,37.5,33.4,28.2,23.1
1922,18.6,21.7,23.6,27.3,34.8,39,39.4,38.2,38.9,33.1,24.2,23.4
1923,23.9,22.3,25.5,28.5,35.2,35.7,38.1,37.8,35.8,31.6,25.4,20.4
1924,21.4,25.6,24,27.9,35.3,39.8,39.9,39.9,38.7,32.4,28.2,20.5
1925,21.7,26.6,28.6,30.7,35.2,36.5,40.1,38.4,37.3,29.7,25.2,22.6
1926,20.8,25.1,27.5,30.2,33.9,39.4,40.3,39.4,37.5,34.1,28.7,19.6
1927,23.2,24.1,25.6,30.4,35.2,37.6,40,38,36.7,33.3,27.8,20
1928,22.8,23.5,29.1,31.1,34.7,38,41,39.1,39.9,33.5,26.1,22
1929,21.2,22.1,26.6,28.6,35.2,38.5,39.5,38.8,37.1,34.1,25.7,25.8
1930,18.9,26.6,25.5,31.7,31,38.3,39.3,39.6,37.1,32,26.2,21.4
1931,22.4,22.2,27.7,31.3,35.8,37.8,40.7,37.6,37.6,32.3,23.7,20.1
1932,18.6,21.8,27.3,31.3,34.1,38.1,39.6,40,39.7,31.4,29.8,21.1
1933,20.3,21,27.7,27.7,31.8,38.2,41.2,39.7,38.6,34.9,28.4,24
1934,23.7,26.7,30.9,33.7,37,36,40.4,38.6,38.1,34.4,27.2,23.3
1935,21.4,23.6,24.9,30.2,32.4,39.7,39.5,37,37.7,32.2,24.9,22.7
1936,22.2,23.8,28.8,32.6,36.7,39.2,40.2,39.1,37.2,32.3,26.6,22.5
1937,17.1,22.6,25.7,30.1,35,37.9,41.1,40.4,38.5,34.2,28.7,24.7
1938,23.5,23.1,24.7,29.8,34.1,37.7,39.8,39.1,38.9,31.9,24.6,23.2
1939,21.1,19.3,26.9,30.7,35.1,37.8,40.4,39.3,35,32,27.5,25.7
1940,24,23.5,28.5,31,36.8,39.3,40.8,39.9,36.6,32.5,25.5,23.4
1941,20.9,24.3,25.4,27.3,34.9,36.8,40.2,37.6,36,30,27.3,22.6
1942,22.4,22,25.6,28.3,34.2,38.4,41.8,38.8,38.5,32.3,28,24
1943,22.2,25.3,28,32.1,35.9,37,41.4,38.8,39.3,33.3,27.6,21.9
1944,21.3,20.8,25.3,29,33.6,35.6,40.4,40.3,37.8,34,23.1,22.9
1945,20.7,23.5,23.6,29.3,34,36.8,40.8,38.8,37.9,33.3,26.6,22.2
1946,21,23.7,26.6,32.4,33.9,39.7,39.4,38.6,37.5,30.4,23.8,23.2
1947,20.7,26.1,27,30,34.6,37.1,40.9,38.2,38.7,33.4,24.1,20.9
1948,23.3,22,23.3,31.1,34.4,37.1,40.2,39.8,39.2,32.9,25.1,20.2
1949,15.7,20.6,25.8,31.1,33.5,38.5,39.8,39.4,39.7,31.1,30.9,21.4
1950,20.1,25.1,27.5,32.3,33.4,37.3,38.9,40.5,36.7,35.6,29.3,26.4
1951,21.4,22.5,26.3,29.4,33.8,37.5,40.9,38.9,39.2,33.7,26.3,21.9
1952,20.3,23.7,23.2,29.5,36.9,37.7,40.9,40.4,39.5,38.1,25.1,21.5
1953,24.2,23.8,26.5,29.3,31.2,37.9,41.2,39.8,38.9,34.1,28.6,22.2
1954,22.3,27.9,24.9,33.3,34.5,37.5,39.3,38.1,38.9,35.1,29.5,22.7
1955,17.7,21.4,26.5,28.7,32.8,38.2,38.1,37.3,38.8,35.6,26.5,24.4
1956,23.7,21.1,28,29.2,34.6,39.7,39.5,39.5,40.6,33.1,26.8,23.4
1957,20.7,26.3,26.2,29.5,31.9,39.5,41.4,39.1,38.6,30.5,24.3,24.3
1958,23.2,24.5,23.3,29.9,37.3,38.4,40.7,39.4,38.2,34.6,26.7,26.4
1959,24.2,21.9,28.3,32.3,32.7,40,40.4,38,37.1,33.6,26.9,21.1
1960,18.3,21.6,29.1,31.2,34,40.4,41.6,39.2,38.5,32,26.8,21.7
1961,22.4,24.8,26.4,31.1,33.6,39.1,39.8,38.4,35.7,33,24,20.8
1962,20.5,23,23.5,32.7,32.7,37.3,40.5,41,38,33.3,28.7,23.3
1963,19.3,27.4,26.3,28,35.4,35.8,40.3,38.1,39,34.2,26.5,23.4
1964,19.8,21.3,23.7,28.3,33.2,37,40.5,38.3,36.8,34.8,24.3,22.7
1965,21.6,23.3,24.1,29.4,33,34.8,40,39.5,35.7,35.4,28.4,21.3
1966,19.4,20.6,27.3,31.7,35.7,38.9,40.4,41.4,38.2,32.8,28.3,23.3
1967,21.9,25.1,28.1,26.3,34,36.2,40.5,40.2,35.8,34.3,29,19
1968,20.7,25.7,26.4,28.9,34,38.3,39,37.5,37.5,33.5,25.4,20.7
1969,22.9,21.6,25.2,30.7,35.1,36.4,39.6,40.7,38.1,31.4,25.9,22.6
1970,22,24.8,25.3,27.2,34.5,38.5,40.4,39.5,36.8,31.6,28.2,22.1
1971,22.2,23.3,27.7,29,31.6,37.4,40.6,38.3,38.1,29.7,25.7,20.1
1972,21.7,26,31.8,31.7,33.8,37.7,41.3,37.7,36.9,29.2,23.8,21.1
1973,19.9,22.8,22.4,28.5,35.4,39.4,40.4,39.7,38.3,34.3,27.1,23.8
1974,21.4,23.9,27,30.7,34.8,40.7,38.8,39.6,39.1,32.5,26,20.9
1975,21.9,23.2,25,26,33.1,38.2,39.8,40.4,39.2,32.3,26.7,22.4
1976,22.2,24.4,25.7,28.2,34.2,39.2,39.2,39.1,35.2,32,27.8,22.6
1977,20.9,25.7,24.3,31.2,31.1,39.8,40.6,39.3,38.2,34.5,28.6,24.5
1978,20.8,22.4,26.8,29.5,34.4,40.4,41.5,39.4,37.4,35.1,24.6,19.1
1979,17.5,22.5,24.7,30,33.2,39,40.6,38.1,39.8,33.6,25.7,24.3
1980,22.4,24.8,25.2,29.5,31.3,39.5,41.4,39.1,38.3,33.7,27.5,25.6
1981,24.1,25.2,25.4,31,32.6,40.3,40.6,40.6,38.7,30.9,28.5,24.3
1982,20.6,24.1,24.5,30.5,32.8,36.9,39.7,39,37.2,31.9,24.8,20.7
1983,21.9,22.4,24.7,26.9,34.5,37.6,41,37.8,38.9,31.9,26.1,22.5
1984,22.1,23.8,28,28.8,37.5,37.4,39.1,37.8,38,30.4,25.1,20.4
1985,20.5,22.4,25.1,31.7,34.7,40.2,40.7,39.9,35.6,32.2,24.7,22.7
1986,26.2,25.6,28.9,32,34.8,39.7,39.1,39.6,36,32.5,26.4,22.6
1987,20.4,24,24.2,32.2,33.4,39.4,40.2,39.1,39.2,36.1,26,20.3
1988,21.7,25.9,28.3,29.9,34.5,39.3,40.8,39.4,39.1,36.2,28.3,22.9
1989,20.4,24.9,30.2,34.1,35.4,39.1,42.4,39.5,39.9,34.9,28.7,23.2
1990,22.4,22.7,28.3,30.9,33.2,40.3,39.6,39,37.7,35,26,20.4
1991,21.5,27.6,23.7,30,33.7,36.5,39.9,40.1,37.7,35.4,25.8,21.3
1992,21.2,24.3,25.7,32.4,35.2,39,41,41.3,41.1,35.4,25.3,20.4
1993,21.4,22.5,29.1,33.4,36.4,40.2,39.7,40.1,39.5,34.3,25.8,22.8
1994,22.3,22.4,27.9,30.7,33.2,40.8,41.5,41.4,40.5,32.8,23.9,21.4
1995,20.7,27.2,27.4,29.2,32.8,37.8,41.3,41.9,39.2,35.3,29.7,23.4
1996,25,26.7,28.7,32.6,36.8,40.5,41.9,41.3,37.4,34.4,28.7,22.7
1997,21.1,23.6,29.3,29.1,37.4,38,41.2,38.8,39.4,32.7,27.5,21.1
1998,22.3,21.2,25.9,28.2,33.1,38.2,39.7,39.1,38.1,33.7,27,21.6
1999,22.7,24.4,26.9,27.5,32.8,36.7,38.5,38.2,36.7,35.8,29.1,22.7
2000,23.1,24.9,25.8,30.9,35.5,38.3,39.8,38.9,39,30.7,23.6,23.5
2001,21.6,22.2,26,28.6,34.8,38.8,39.4,38.7,38.1,33.3,27,21
2002,21.3,24.7,26.3,30.3,34,38.6,38.9,38.6,37.7,31.4,28,21
2003,25.5,23,26.4,28.6,34.3,37.5,40.4,39.3,37.7,34.1,26.1,22.3
2004,21,21.9,28.8,29.8,36,38.4,40.4,38.5,38.1,31.6,24.6,22
2005,22,22.7,26,29.9,34.6,38.1,40.9,38.1,37.9,32.9,28.3,23.3
2006,22.8,25.1,24.9,30.1,35,40.3,41.5,38.5,36.6,32.5,28.7,21.9
2007,19.5,23.8,27.9,29.2,34.2,38.3,39.6,39.4,37.6,33.8,27.8,20.2
2008,19.9,23.2,26.6,30.8,33.3,39,39.1,38.8,37.9,35.4,28.7,22
2009,23.6,24.8,27.4,29.8,35,36.8,40.8,40.5,38.9,32.4,28.3,21
