Year current USD 1970 68739972.504011 1971 73434840.970744 1972 90743549.9119924 1973 136560430.519402 1974 426401410.876988 1977 748518665.85708 1978 738039577.8268191 1979 881077990.780342 1980 950805965.290033 1981 1042021629.57117 1982 1285119359.80216 1983 1425498409.82307 1984 1465909167.67434 1985 1379869859.98477 1986 1295617612.14061 1987 1336740076.7235 1988 1704123944.10617 1989 2076390756.31682 1990 8961536461.49313 1991 12924377965.940699 1992 6316012045.43982 1993 2980065531.6244802 1994 3296055512.51389 1995 3692435533.1582103 1996 3241385529.4931 1997 2454268845.4552298 1998 2282153591.72584 1999 2286352512.19552 2000 2697075596.3558 2001 2685735278.45347 2002 2821521877.89967 2003 3130746412.89612 2004 3450118764.8456097 2005 3509417808.21918 2006 3597816497.57389 2007 4115736733.58807 2008 4430342077.46217 2009 4208871205.93499 2010 4335204653.06151 2011 5393526319.03152 2012 5941536636.94559 2013 5697937802.28007 2014 5832103419.5298395 2015 5735132890.36545 2016 6446742131.36237 2017 6764636913.87805 2018 7165279059.53645 2019 7373519736.842111 2020 6941042345.27687 2021 9024335548.17276 2022 8244121401.26598