Year	current US$
1980	78368336.3120952
1981	97712343.745072
1982	107058506.462031
1983	116011953.274642
1984	127852784.783571
1985	137923096.494412
1986	147302618.683333
1987	165824874.862473
1988	183519612.549676
1989	201186110.594751
1990	221159517.024938
1991	235547823.007449
1992	261685844.914241
1993	269222887.857354
1994	269306774.986988
1995	294881929.48258
1996	312008398.26082
1997	323461879.097306
1998	346070302.182289
1999	355414375.719799
2000	394365515.539407
2001	425625413.115006
2002	448394821.882432
2003	461263384.700282
2004	491509740.315858
2005	517412969.012875
2006	578543704.533764
2007	638262676.995999
2008	646141094.653508
2009	622946881.837714
2010	605542890.102726
2011	581076000.060496
2012	595188341.26813
2013	624998655.928898
2014	607281265.706589
2015	647038947.434155
2016	676574176.915899
2017	704672569.690351
2018	738951949.090529
2019	752856023.938336
2020	723205785.248062
2021	749251352.166321