Year current US$ 1965 19999.9995529652 1972 90000.0035762787 1973 180000.00715255702 1974 39999.9991059303 1975 330000.013113022 1976 170000.00178813902 1977 119999.997317791 1978 50000.0007450581 1979 90000.0035762787 1980 19999.9995529652 1981 59999.9986588955 1982 7389999.8664856 1983 500000 1984 2109999.89509583 1985 5420000.07629395 1986 35189998.626709 1987 20549999.237060502 1988 31649999.6185303 1989 16129999.160766602 1990 29799999.237060502 1991 8720000.26702881 1992 5300000.19073486 1993 2339999.91416931 1994 24379999.1607666 1995 2720000.02861023 1996 2329999.92370605 1997 3880000.1144409203 1998 2400000.09536743 1999 699999.988079071 2000 8199999.80926514 2001 1139999.98569489 2002 3119999.8855590797 2003 6739999.771118159 2004 2970000.02861023 2005 1500000 2006 980000.019073486 2007 2589999.91416931 2008 2259999.99046326 2009 5349999.90463257 2010 4260000.228881841 2011 4869999.88555908 2012 2869999.8855590797 2013 4360000.1335144 2014 7369999.88555908 2015 8250000 2016 8479999.54223633 2017 10590000.1525879 2018 14090000.1525879 2019 15729999.5422363 2020 11899999.6185303 2021 17719999.3133545 2022 23090000.1525879