Year current US$ 1970 849000000 1971 798000000 1972 823000000 1973 638000000 1974 763000000 1975 385000000 1976 152000000 1977 171000000 1978 128000000 1979 69000000 1980 90000000 1981 108000000 1982 224000000 1983 440000000 1984 466000000 1985 506000000 1986 430000000 1987 423000000 1988 371000000 1989 399000000 1990 696000000 1991 1873300000.011921 1992 142000000 1993 1293000000 1994 1413000000 1995 421000000 1996 739000000 1997 446000000 1998 691399994.0678475 1999 1886209990.2741613 2000 1567030019.5533774 2001 1567359998.5558543 2002 2468210032.960401 2003 2085549970.1239173 2004 1872389980.6812406 2005 1168300006.6671515 2006 1465849999.2154543 2007 1289479995.5822523 2008 2252840044.9361663 2009 1806050017.638133 2010 1297639998.5942988 2011 1534379989.9965525 2012 1676840002.3430595 2013 1553720007.1308765 2014 1206760004.4123824 2015 1278989993.4697895 2016 1027849997.2559513 2017 1167649996.3104725 2018 1238990003.7851176 2019 1440960005.842149 2020 1592400012.8395855 2021 1978570006.944239 2022 1780869978.3980842