Year current US$ 1976 2799999.95231628 1977 50000.0007450581 1978 1840000.0333786 1979 2220000.02861023 1980 1259999.9904632599 1981 1809999.9427795399 1982 6159999.84741211 1983 3099999.90463257 1984 11350000.3814697 1985 4769999.98092651 1986 5289999.96185303 1987 24180000.3051758 1988 29750000 1989 27370000.8392334 1990 34310001.373291 1991 29760000.2288818 1992 28610000.6103516 1993 29180000.3051758 1994 17379999.1607666 1995 5760000.228881841 1996 13390000.3433228 1997 9109999.65667725 1998 12869999.8855591 1999 11659999.8474121 2000 7989999.771118159 2001 13880000.1144409 2002 9020000.45776367 2003 26700000.762939498 2004 27340000.1525879 2005 56189998.626709 2006 49360000.6103516 2007 57340000.1525879 2008 77230003.3569336 2009 75150001.5258789 2010 82000000 2011 129809997.558594 2012 123430000.30517599 2013 107739997.86377 2014 75680000.3051758 2015 42419998.1689453 2016 38610000.6103516 2017 39540000.9155273 2018 50220001.220703095 2019 56290000.9155273 2020 51790000.9155273 2021 82269996.6430664 2022 83370002.746582