Year current US$ 1960 -490000.009536743 1961 400000.00596046395 1962 1429999.94754791 1963 1490000.0095367401 1964 7460000.03814697 1965 4670000.07629395 1967 2869999.8855590797 1968 1519999.98092651 1969 949999.988079071 1970 7199999.80926514 1971 2829999.92370605 1972 -1990000.0095367401 1973 -1720000.02861023 1974 -1870000.00476837 1975 270000.010728836 1976 349999.99403953605 1977 -769999.980926514 1978 -230000.004172325 1979 59999.9986588955 1980 1159999.9666214 1981 850000.023841858 1982 1360000.01430511 1983 850000.023841858 1984 6619999.88555908 1985 2140000.10490417 1986 4619999.88555908 1987 3019999.98092651 1988 400000.00596046395 1989 1129999.99523163 1990 1470000.02861023 1991 2059999.94277954 1992 400000.00596046395 1994 449999.988079071 1995 -230000.004172325 1996 -129999.995231628 1997 330000.013113022 1998 29999.999329447703 1999 289999.99165535 2000 180000.00715255702 2001 500000 2002 490000.009536743 2003 289999.99165535 2004 1330000.04291534 2005 140000.000596046 2006 19999.9995529652 2007 389999.98569488496 2008 5590000.15258789 2009 620000.004768372 2010 1049999.95231628 2011 980000.019073486 2012 689999.997615814 2013 1419999.95708466 2014 1570000.05245209 2015 930000.007152557 2016 349999.99403953605 2017 469999.998807907 2018 409999.99642372096 2019 529999.971389771 2020 689999.997615814 2021 439999.997615814 2022 620000.004768372