1901,22.7,23.2,27.6,29,31.1,30.5,28.2,28.4,28.7,28.9,25.5,22.2
1902,22.5,22.8,27.5,31.2,32.7,31.7,29.1,29.7,28.2,28.2,26.8,22.6
1903,22.6,22.5,24,29.6,29.9,29.3,28.1,27.5,26.5,26.6,25.2,21.2
1904,21.6,25.3,28.6,30.5,29.9,30.4,27.5,27.9,26.9,25.4,23.3,21.9
1905,21.7,20.6,25.6,28.9,32.1,31.2,29.4,30,27.5,27,25.4,19.2
1906,22.7,21.3,25.6,28.6,30.8,32.2,28.8,27.8,26.9,26.5,24.6,21.5
1907,25.7,24.4,28.5,29.2,30.1,29.6,26.9,27.7,28.8,27.5,22.4,22.7
1908,23.9,25,28.8,30.4,33.4,33.1,29.2,29.2,27.5,28.1,24.7,22.8
1909,24,24.9,29.4,27.8,29.9,32.2,29.7,27.7,25.8,27.3,26.9,20.4
1910,21.7,22.8,26.2,30.3,28.9,28.8,29.8,29.2,26.2,27,26.2,22.9
1911,25.2,24.8,26.6,28.7,28.1,31.1,27.9,29.7,28,27.1,21.8,19.8
1912,22.1,23.7,25.2,29.2,31.9,28.9,28.9,30.1,28.8,27.1,22.9,19.3
1913,21.7,22.6,25.3,28.1,31.1,28.3,28.5,29.9,26.5,26.6,25,20.1
1914,24.9,22.6,24,28.3,30,29.2,28.6,28,27.5,27.9,23.1,17.4
1915,20.9,23.9,23.7,28,32.4,32.4,29.3,29.4,26.3,27.8,25.7,23.1
1916,24.1,26.2,29.5,30,31.8,32.4,27.2,26.7,25.6,26.8,24.1,22.6
1917,22.3,26.3,25.9,29.7,30.6,31.3,28.9,30.1,26.6,27.8,25.1,22
1918,22.7,24.8,27.4,29.4,30.9,30.2,29.1,29.1,27.1,28,22.3,20.3
1919,19.3,23,24.8,28.1,31.1,29.5,26.7,28.9,26.4,27.1,24.2,20.2
1920,19.9,23.6,25.7,30.5,30.7,29.9,29.2,29.7,28.7,27.4,23.5,22.4
1921,24,23.5,27,29.4,30.2,31.4,28.6,30,28.6,28.9,26.5,23.7
1922,22.5,26.5,26.4,31.8,32.3,30.3,29.5,30.3,26.3,27.6,23.8,23.3
1923,24.2,20.5,24.8,28.9,32.6,30.2,28.8,29.6,28.4,25.5,21.5,19.6
1924,19.3,22.4,25.8,28.9,29.7,30.5,29.3,30.2,26.6,27.3,26.1,20.4
1925,20.4,26.4,27.1,29.9,30.7,30.1,29.8,29.7,26.6,25.6,23.7,17
1926,19.5,25.6,25,28.1,30.7,30.5,28.7,29.9,29.6,29.4,23.9,22
1927,23.8,25.3,26.6,31.8,35.1,31.5,30.6,30.5,29.5,27.8,28.4,20.1
1928,21.5,20.9,27.6,29.5,30.9,34.5,30.4,30.9,27.4,29.2,24.4,19.8
1929,25.1,25.3,27.5,32.6,32.3,33.4,29.5,30.4,29,28.1,22.7,20.3
1930,21.2,24.5,25,30.1,31.5,30.2,29.4,32,31.6,25.9,22.9,18.9
1931,18.7,21.4,24.7,27,29.1,30.8,28,29.1,28.7,28.1,25.4,21
1932,22.8,25.1,25.6,31.3,32.7,34.6,29.8,30.7,27.4,28.3,24.6,22.2
1933,22.6,23.1,27.5,30.8,34.2,30.9,30.4,29,27,27,25.2,25.4
1934,22.3,23.9,26.9,27.4,29,30.7,27.7,28.7,27.1,26.2,25.8,22.2
1935,24.6,22.4,27.6,31.7,32.1,31.6,29.1,30.2,27,27.2,28,21
1936,24.1,25.3,26.1,28.1,29.1,32,28.2,28.8,26.3,26.6,23.7,21.6
1937,26.4,25.1,24.9,30.1,31.2,32.5,29.2,30.3,27.6,27.9,25.5,20.3
1938,22.2,23.8,28.3,29.2,32.3,31,30,30,27.7,28.7,25,22.6
1939,23.3,23.8,27.6,30.1,32.2,31.6,31,29.3,27.1,25.5,23.3,20.6
1940,18.9,23.6,26.8,30.2,30.6,30.7,29.3,29.9,29.3,29.1,25.6,22.4
1941,22.1,22.6,23.5,30.1,31.9,31.6,30.3,31.2,29.5,30.4,25.1,21.6
1942,23.8,22.5,26.1,30.9,33.2,33,29.2,30.9,27.3,29.4,27.5,26
1943,22,26.3,28,30.5,33.9,31.4,31.9,33.4,28,27.9,24,21.1
1944,22.1,24.4,26.2,31.2,31.4,31.8,30.9,30.1,26.8,27.4,23.7,21.3
1945,22.5,25.8,29.4,30.8,32.7,34.3,31.1,31.4,31,28.6,28.8,23.7
1946,23.2,23.8,29.3,30.8,33,32,31.5,31.9,29.7,28.9,25,23.2
1947,20.8,23.7,28.2,31.9,32.5,34.1,31.6,29.1,29.8,30.9,26.7,20.9
1948,20.9,26.8,28.4,32.8,33.5,33.1,30.2,32,27.9,26.7,25.3,25.3
1949,22.7,24.9,28.2,28.8,31.7,31.3,30,30.7,28.7,28.1,25.4,21.9
1950,26.1,24.6,27.2,30.1,32.1,31,29.4,30.6,29.7,29.4,26.7,23.8
1951,23.9,26.8,26,29.6,30.9,32,30.4,30.6,27.9,27.8,25.7,24.5
1952,27.1,25.3,25.9,27.8,30.4,28.5,30.1,31.5,27.7,26.9,25.9,21.6
1953,24.7,25.7,28.3,31,33.2,32.4,31.6,31,28.2,26.8,23.9,20.2
1954,24.4,24.5,29.5,31.2,31,31.5,29.4,30.6,29.6,27.4,24.9,22.7
1955,21.9,24.2,29,32.5,31.8,31.4,28.4,29.3,26.2,27.3,26.8,24
1956,23.5,26.8,28.3,30.3,29.4,30.2,29.8,31,28.4,29.6,24,21.8
1957,26.3,26.1,25.4,29.6,30.6,31.7,31.3,31.3,28.5,26,24.8,23.3
1958,18.2,22.9,24.9,30.6,29.3,29.7,29,30.4,27.1,24,23.4,18.4
1959,21.3,23.1,24.8,27.6,30.1,29.7,28.5,29.3,28.9,25.8,22.4,21.4
1960,22.8,23.2,27.3,29.3,31.3,32.6,30.3,29.2,27.8,29,26.5,19.7
1961,21,25,27.8,32.3,33.9,30.3,28.9,29.7,28.9,28.9,25.9,23.2
1962,23.3,27.5,24.8,28.8,32.4,33,33.2,32.1,29.5,30.8,24.9,22.5
1963,22.8,24.3,29.9,31.7,28.7,31.6,31.1,31.2,28.2,27.5,26.7,20.4
1964,20.6,23.2,27.6,31.1,29.7,32.2,29.5,31.5,26.6,25.2,24,20.4
1965,22.6,20.8,25.8,29.8,31.5,30.2,28.5,28,27.4,25.5,26.4,20.3
1966,17.9,20.2,24,28.1,29.4,29.5,29.4,28.7,27.8,25.4,24.5,21.7
1967,21.4,23.6,26.2,31.3,31.1,30.5,30.2,28.6,24.3,25.3,24.7,21.2
1968,22.6,21.5,22.7,29,31.6,29.3,26.2,28.7,24.7,27.1,23.5,21.1
1969,23.2,22.8,23.8,31,30.4,33.6,31.6,30.7,27.6,28.7,24.7,22.7
1970,21.9,21.5,24.7,32.7,31.1,30.9,29.1,31.1,26.5,29.8,24.2,24.6
1971,25.4,26.3,28.1,30.6,31.6,28.7,29.8,27.1,27.4,26.8,25.1,23.9
1972,23,23.9,27.6,31.7,30.6,30.2,28.6,29.8,29.4,29.4,26.2,23.1
1973,23.2,22.6,27.9,29.2,32,29.9,29.4,27,27.1,25.6,28.4,20.4
1974,24.9,26.3,28.5,29.6,31.5,32.3,29.6,31.2,26.9,25.8,23.4,21.6
1975,22.8,25.1,27.1,33,32.3,31.8,28.5,27.7,26.4,28.5,26.5,21.1
1976,21.6,27.5,28.5,29.5,30.3,31.3,25.9,28.5,27.3,24.7,20.7,17
1977,21.4,23.6,28.7,27.1,31.5,30.1,30,31.4,30.5,28,26.7,24.7
1978,23.8,21.4,26.9,31.5,32.5,31.6,30.7,28.7,27.6,25.6,25.7,23.4
1979,23.1,23.8,28.1,30.8,31.7,30.7,30.8,28.4,29,31.6,24.7,21.8
1980,23.3,23.6,28,28.5,31.9,33.2,29.8,28.3,28.6,26.7,24.4,21.9
1981,17.9,22.6,25.4,28.1,30.6,30.7,29.5,30,28.7,29.1,27,23.1
1982,24.6,25.3,30,31.7,29.9,33.7,28.9,30.7,28.6,27.4,24.7,19.9
1983,18.9,22.6,26.3,30.7,32.9,32.5,28.4,28.6,27.4,28.2,26.9,23.7
1984,19.1,23.2,28.1,32.3,30.9,30.6,26.5,29.4,24.7,28.4,25.5,24.9
1985,19.7,23.1,27.6,27.3,31,29.4,27.8,29.5,28.8,27.8,26.9,22.7
1986,22.8,25.2,25.8,30.6,30.4,28,28,30.3,27.8,25.7,25,19.9
1987,21,21.7,23.7,27.3,29.3,30.3,27.4,30.5,27.9,27.3,24.3,22.6
1988,20.7,22.8,25.7,28.8,31.9,29.8,27.5,28.3,26.6,27.3,28.1,22.8
1989,24.7,24.8,28.1,30.3,32.7,32.3,30,27.7,27.2,28.8,25.5,18.1
1990,22.1,21.7,26.3,30.3,31.7,31.5,28.1,28.1,24.8,26,25.6,23.6
1991,23.2,24.1,29.4,31.1,32.3,31.2,26.8,30.3,24.9,26.8,24,19.5
1992,17,19.3,26.6,27.6,28.5,31.1,30.1,29.5,27.6,27.1,23.8,23
1993,23,26,26.1,31,30.9,29.2,29,30.4,26.5,27.3,23.7,24
1994,22.1,24.6,26.4,29.3,32.1,29.3,30.6,30.1,26.8,28.2,26.9,22.9
1995,23.2,24.6,26.8,31.5,32.8,31.1,29.2,27.5,27.2,27.2,25.7,21.2
1996,24.2,26.1,25.9,30.1,34.2,30.9,30.4,29.4,27.6,26.4,25.5,21.4
1997,21.9,24.8,26.1,27.2,31.3,31.8,30.7,31,29.1,27.9,24.5,23.1
1998,22.2,23,28.5,33.3,35,33.6,32.1,29.8,28.1,25.6,25.5,23.9
1999,22.8,26,27.1,31.6,30.8,30.3,27.6,29.9,27.7,26.9,25.9,20.1
2000,22.9,27.4,27.2,31,33.3,28.2,31.1,27.6,29.8,26.5,23.4,19.8
2001,21.6,23.7,24.2,29.7,30.3,29.5,29.1,29.7,26.7,27.1,23.8,21.3
2002,23.5,22.3,27.1,31.2,33.6,31,27.7,29.2,26,27.4,24.3,21.5
2003,21.2,23.7,26.1,31.7,32.8,32.8,27.5,27.6,24.9,25.7,25.5,22
2004,20.4,24.4,28.5,28.5,29.8,30.5,27.7,27.5,26.8,29,25.8,21
2005,23.4,21.7,25.6,30.3,30.4,32.7,29.8,28.8,28.1,27,25.7,22
2006,24.6,27.3,28.9,32.1,31.5,30.5,29.1,29.7,26.9,26.1,25.2,19.4
2007,19.9,23.7,26.9,29.6,30.7,29.9,28.1,30.4,26.3,29.5,25.3,23.9
2008,21.3,27,26.2,32.6,31.1,32.6,27.9,27.7,24.2,26,23.3,22.1
2009,23.6,26.3,27,30,30.7,33.1,29.8,31.6,28.1,27.7,24.8,20.9
