Year	current US$
1970	165799996.51759863
1971	163199997.66349795
1972	179049995.54157245
1973	199279996.2013959
1974	202339998.69227406
1975	308089996.9935423
1976	277440003.5738944
1977	247799993.69382858
1978	296610001.2362006
1979	331269997.27264047
1980	432870000.6008144
1981	424509991.2732836
1982	354539998.9783764
1983	337750000.2533198
1984	360869997.888804
1985	407710000.678897
1986	486219993.7403199
1987	585310002.3418659
1988	535390002.2208692
1989	519990005.37395513
1990	774170002.2816657
1991	898880001.0085113
1992	1033660019.8447713
1993	1006679991.6028974
1994	1085129989.83264
1995	1126309998.6314788
1996	1113550005.1975248
1997	825620012.4919413
1998	905700000.8821492
1999	841539997.816086
2000	700890002.548694
2001	646999992.9666524
2002	576239997.2081183
2003	742889997.7803226
2004	861579992.5625328
2005	1552519975.7814412
2006	1795520013.1535523
2007	1702359984.1594694
2008	1466250037.6105306
2009	1029510000.4673007
2010	883409997.9996686
2011	1341929960.0124373
2012	1430299993.7534335
2013	1241269983.5300446
2014	998750019.3119045
2015	653840000.9274476
2016	1113300015.5985358
2017	1487309981.8229687
2018	686320004.7016141
2019	784309996.6049197
2020	1532040003.7765498
2021	1122019985.1989756
2022	1395329986.0954278