limited to about 1.8 billion

0.544237 1.837433 0.0000% 1879 1.066642 0.937522 5.2689% 1905 0.249992 4.000133 2.6987% 1904 0.881000 1.135073 -1.3372% 1883 0.188450 5.306449 -5.0576% 1882 0.037655 26.557051 -5.9492% 1876 0.048711 20.529356 -1.1800% 1875 0.059972 16.674533 YEAR: 1991 2010 2.106849 0.474642 4% Est. 1993 8.375039 0.119402 4% Est. 2005 9.402326 0.106357 4% Est. 2002 14.272144 0.070067 4% Est. 1989 4.038446 0.247620 3.8744% 1988 0.925674 1.080294 3.3218% 1987 6.670413 0.149916 3.1640% 1986 13.548152 0.073811 2.6144% 1985 0.618391 1.617100 2.9715% 1984 4.223539 0.236768 3.6576% 1983 3.950591 0.253127 3.8998% 1982 0.536163 1.865105 6.3831% 1981 2.685742 0.372337 9.6843% 1980 0.516868 1.934730 9.0330% 1979 13.099832 0.076337 8.8650% 1978 5.553880 0.180054 7.2813% 1977 8.972819 0.111448 6.6558% 1976 0.554481 1.803488 6.4073% 1975 0.271782 3.679422 9.8159% 1974 6.923363 0.144438 9.0909% 1973 0.235939 4.238383 6.4509% 1972 3.661455 0.273115 4.7304% 1971 1.268581 0.788283 5.7132% 1970 5.753620 0.173804 5.5272% 1969 0.182411 5.482121 5.5714% 1968 0.377000 2.652518 5.0148% 1967 2.601477 0.384397 2.5719% 1966 2.692297 0.371430 3.5485% 1965 3.976519 0.251476 2.7360% 1964 4.910705 0.203637 1.5423% 1963 4.319821 0.231491 1.5697% 1962 4.310705 0.231981 2.2421% 1961 3.586305 0.278839 0.9709% 1960 4.233003 0.236239 1.6442% 1959 0.354727 2.819071 2.3579% 1958 0.746221

acoustically