1901,18.1,18.9,19.6,20.8,21,23.2,24.7,26.1,25.2,22.4,21.3,17.9
1902,18.2,19.1,19.2,20,20.5,22.2,25.4,27,25.5,23.4,20.9,18.7
1903,17.3,18.9,19.2,20.2,20.8,22.9,25,25.4,24.7,23.3,21.3,17.5
1904,17.1,17.6,18.2,18.8,20,22.6,25.5,27.8,25.4,23.3,21,18.6
1905,17.7,17.6,19,20,20.6,23.5,25.8,26.6,24.8,23.3,20,18.8
1906,17.7,17,19,18.9,20.4,23.2,25.1,26.3,25.5,24.1,21,18.5
1907,17.2,17.2,18.6,19.3,20.5,22.7,24.3,26.5,26,23.2,19.9,18.2
1908,17.4,17.5,18.2,18.7,21,22.6,24.7,26,25.8,23.8,21.4,18.8
1909,17.6,17.9,19,20,22.1,22.3,25.1,25.6,25.2,24.1,20.6,19.3
1910,17.9,18.1,18.5,19.9,20.5,21.9,24.6,25.6,26,23.5,21.7,19
1911,17.2,18.2,18.8,19.6,20.2,22.5,24.6,26,26.4,23.9,20.8,19.5
1912,17.9,19.6,19.6,19.7,21.7,22.7,24.6,25.5,25.2,22.9,21.3,18.2
1913,18,18.9,19.3,19.3,19.5,22.6,25.3,25.9,25.1,23.9,22,19.6
1914,17.6,17.7,18.5,19.6,20.9,22.4,25.5,26.4,25.7,24.1,20.8,18.4
1915,17.5,17,18.3,18.6,20.6,23.7,26.4,26.6,26.1,22.7,20.1,18.9
1916,16,16.2,16.5,18.2,20.6,22.6,24.8,27.5,25.4,24,22.6,18.6
1917,15.9,15,18,19.1,20.4,22.1,26.3,26.5,27.3,20.4,20.2,19.8
1918,18.6,15,16.1,17.3,20,22.5,23.1,25.3,26.2,20.7,20.1,20
1919,18.6,21.2,19.5,18.1,21.2,21.9,24.2,27.6,25.3,22.7,21.2,16.7
1920,16.4,13.9,16.4,21.7,18.1,22,24.4,24.6,24,23.3,19.7,19.2
1921,18.5,16.2,16.3,18.5,21,21.9,25.1,25.8,24.3,22.1,18.2,16
1922,15.9,15.3,16.1,22.3,21.4,21.4,26.7,25.9,24.8,23.3,20.2,16.4
1923,13.6,18.5,19,15.6,21.2,21.1,24.5,26.8,23.7,23.7,19.3,18.3
1924,17.4,14.3,19.7,19.9,19.5,21.8,25.2,24.8,25.2,23,18.8,18
1925,15.9,15.2,15.6,20.8,20.6,21.2,22.9,26.8,24.5,23.1,20,21.9
1926,19.1,20,18.7,21.9,19.7,23.5,24.8,26.5,27.8,23.1,19.2,16.7
1927,17.5,17.9,22.1,18.5,20.8,21.8,24,26.3,23.9,24.3,19.7,19.2
1928,17.5,17.7,20.5,19.7,19.9,22.1,25,27.1,26.5,24.5,21,17.8
1929,18.4,18.6,17.8,18.3,18.6,23.4,25.2,25.8,24,23.7,21.3,19.9
1930,15.4,17.9,20.2,17.5,22.6,20.6,23.6,26.9,25.7,24.7,20.9,17.4
1931,18.2,17.8,20.1,18,21.7,23.6,25.3,26,25,24.4,22.2,17.1
1932,17.4,17.2,18.7,19.1,20.8,21.8,23.8,25.5,24.9,22.7,20.4,17.6
1933,17.5,18.3,20.2,21.3,20.7,22.2,25.9,27.2,24.7,24,17.6,15.9
1934,16.6,17.5,19.4,19.3,19.5,23.1,24.9,26.3,25.9,23.9,19.1,21.8
1935,17.1,15.6,20,21.4,19.1,23.5,25.1,25.4,26.7,21.7,20.9,20.6
1936,19.7,17.8,18.1,19.6,17.8,21.7,25.3,26.7,26.3,21.3,18.4,15.8
1937,18.3,21.6,20.8,23.4,21.7,22.7,25.3,26,25.4,21.9,22.8,18.7
1938,17.5,16.7,17.3,18.6,19.9,24.3,25.9,25.7,24.2,23.6,19.5,17.1
1939,18.6,16.6,16.2,19.3,21,20.8,24.6,24.3,25.4,21.3,20.7,18.5
1940,17.7,18,20.7,20.3,20.4,21.3,24.1,26.9,24.2,21.7,20.8,18.5
1941,19.2,19.6,20,20.3,21.4,22.3,23.3,25.1,25.3,22.9,21.2,15.8
1942,17.3,17,20.3,21.5,23.7,22.3,25.8,26.1,25,22.6,18.8,18.7
1943,18.8,16.2,17.2,19.8,21.6,25.5,24.1,26.6,24.5,22.6,19.8,16.3
1944,17.2,15.5,19.6,21.3,19.5,21.4,25.1,24.7,24.9,22.8,19.5,15.4
1945,16,17.9,20.8,22.9,19,22.4,24.4,25.1,27.4,24.9,20.9,19.4
1946,15.7,18.2,18.1,16.3,18.1,22.7,26.4,25.2,25.6,24,20.2,19
1947,17.4,18,22.3,23,20,23.1,23.2,25.4,25.9,24.4,22.2,20.2
1948,19.1,18.7,18.2,16.3,19.7,23.7,26.2,27.9,26.8,22.4,22.9,18.7
1949,16.1,16.8,14.3,18.1,19.5,22.7,24.2,26.6,23.9,25.6,21.4,16
1950,16.1,16.9,21.1,19.1,19.6,24.3,25.8,24.8,24,22.1,21.4,19.1
1951,17.6,15.5,20.2,19.9,18.8,23.5,24.8,26.2,25.6,21.7,20.5,17.2
1952,14.6,17.4,20.3,18.6,21.3,23.8,24.5,25.1,25.4,26,20.8,20.6
1953,16.3,13.9,15.2,19.4,23,21.2,24.9,26.5,24.6,21.1,21.6,17.8
1954,15.6,15,17.9,16.8,22.5,22.4,25.7,25.8,26.9,25.9,19.6,15.7
1955,20,18.5,17,21.8,23.1,23.1,24.6,25.7,26.3,21.3,21.3,19.3
1956,16.2,14.7,16.4,17.8,20.4,23.5,24.7,24.4,25.9,24.2,19.8,16.8
1957,14.8,19.6,21.1,18.4,20.3,22.8,25.8,25.7,25.8,20.7,21.1,14.6
1958,17.2,19,21.7,19.5,22,22.1,24.6,26.2,27.1,24.1,19.1,18.3
1959,18.7,16.4,19.2,21.3,19.7,23.2,23.7,25.5,24.2,24.1,20.9,21
1960,19.2,20.3,19.5,19.3,18.7,20,25,26.6,26,24,23.2,16.5
1961,17.5,20,19.4,22.1,21.4,21.8,27,26.2,24.6,22.2,18.6,20.6
1962,16.4,16.5,19,19.9,22.3,22,25.6,27,25.2,22.3,19.6,17.6
1963,17.4,18,22.3,20.5,18.9,21.4,26.2,25.8,25.2,24.8,22.2,17
1964,15.8,20.5,21.7,18.5,24.9,22.8,26.2,26.3,26.8,24.7,21.7,15.6
1965,15.4,17.5,21.8,20,22.7,24.1,24.8,25.8,24.3,21.3,20.9,20.5
1966,21.7,22.6,18.8,23.9,23,23,25,27.6,26.2,23.6,19.3,18.9
1967,20.2,15.6,20.2,16.9,19.3,22.9,27.4,26.8,25.4,21.8,18.8,18.2
1968,16.7,17.2,16.2,20.7,21.1,24,26.2,25.1,27.2,25.3,21.4,18.6
1969,20.2,18.3,21.2,17.4,21,21.8,26.4,27.1,25,22.1,21.4,16.2
1970,18.7,18.6,17.6,22.2,22.6,22,26.5,27.2,27.4,23.7,20,15.6
1971,19.8,15.9,15.7,16.5,17.2,22.3,24.6,25.9,25.1,26,17.7,16.9
1972,16.5,16.8,16.9,19.7,20.2,21.8,24,25.6,23.1,23.2,20.4,17.2
1973,19.3,16.2,20,20.9,22.6,23.4,24.4,26.8,26.7,23,20.5,17.5
1974,19.7,18.2,16.3,18.1,21.8,23.1,25.1,26.8,25.6,22.6,21.2,17.6
1975,15.6,19.5,21,17.9,17.6,22.1,27.2,27.6,26.4,26.4,21.4,16.8
1976,16.3,16.4,17.7,17.2,18.3,22.8,26.1,25.9,24.4,23.1,23.4,18.6
1977,18.4,21,23.2,20.7,20.5,22.5,22.8,25.6,25.9,22.1,22.7,18
1978,16.3,20.1,20.5,19,19.7,22.7,26,25.4,26.3,23.3,20.1,19.7
1979,14.2,22,17.5,20.9,22.2,23.1,24.4,26.9,24.4,25.8,22.5,21.3
1980,17,18.4,17.7,19.7,21.1,23.5,26.3,26.7,24.1,23.3,21.8,17.2
1981,17.4,15.4,22,17.5,21,23.4,24.7,25.4,26.4,22.6,21.2,21.3
1982,19.5,17.3,17.5,17,19.9,23.1,23.7,25.1,24.8,23.2,22.3,17.9
1983,17.8,17.6,21.4,20.5,20.7,24.9,24.7,25.7,26.9,25.4,22,18.6
1984,16,20.1,16.9,20.3,18.6,24.2,26.8,25.5,24.7,25.6,20.8,18
1985,16.6,18.7,18.4,19.1,19.6,23.3,27.2,27.7,26.2,25.7,21.9,19.1
1986,17.5,18,18.9,19.4,23.8,21.4,26.2,26.9,27,22.2,22.1,19.3
1987,19.8,21.2,21.1,23.6,21.9,23.7,25,25.7,27.5,22,22,20.3
1988,17.9,17.3,20.7,21.3,20.9,20.7,27.2,28.5,28,23.4,20.3,18.3
1989,17,16.2,20.2,19.5,20.6,22.8,25.4,26,26.6,23.4,19.3,20
1990,17.5,19.9,21.1,19.1,21,23.1,25.4,28.3,25.5,23.7,21.3,19
1991,17.2,17.4,19.3,19.4,20.1,22.7,24.9,25.7,26.1,23.5,20.7,19.6
1992,17.7,18,19,20,20.7,22.9,24.8,25.7,25.1,22.8,20.3,18.6
1993,17,17.5,18.7,21.8,20,23.9,26.8,25.6,24.6,22.9,18.9,18.5
1994,16.8,17.8,19.4,21.1,20.3,22.8,27.4,25.8,24.9,23.2,21.1,19
1995,19.1,18.4,18,20.2,24.2,23.1,27.2,27.1,24.3,25.1,22,19.7
1996,17.9,16.4,17.8,21.2,20.7,23.9,26,26.6,24.8,24.1,20.9,18.2
1997,16.8,18.9,19.4,19.7,22.1,22.4,23.9,25.3,25,24.8,23.6,21.7
1998,19,20.9,21.3,21.7,19.4,23.3,27.6,27.5,27.4,25.8,22.9,17.6
1999,18,16.6,16.8,22.3,24.4,25.5,25.7,26.5,26,23.2,20,19.1
2000,14.7,19.7,21.4,19.2,21,26.3,26.1,26.9,25.4,22.7,21.9,20.6
2001,20.9,21.4,21.5,21.9,22.7,25.5,26,26.9,25.9,25.5,20.8,19.7
2002,19,19.3,20.3,20.5,20.9,23.3,25,26,25.9,24.8,21.9,19.2
2003,18.3,18.1,19.8,20.3,23.3,24.6,26.6,26.2,27.2,22.4,20.7,19.1
2004,19.3,17.7,20.6,17.9,18.4,24.2,25.9,25.4,26.4,24.9,20.6,16.1
2005,16.1,12.6,21.4,22.9,24.1,24.8,25.5,27.4,26.9,24.5,20.5,19.4
2006,14.9,17.5,22.4,21.5,21.9,23.4,26.6,26.2,27,24.1,24.1,19
2007,18.2,20.1,19.1,19.7,20.3,22.5,26.9,26.6,26.7,23,22.1,19
2008,19.5,17.8,20.2,22,20.3,25,25.7,28.2,25.1,21.1,20.2,18.5
2009,17.2,16.2,17.8,20.8,21.9,22.9,27.1,27.2,24.7,26.7,22.7,21.1
