Year	current US$
1980	40565195.35619288
1981	46992333.4499429
1982	52421711.29921824
1983	63782256.24221573
1984	63377473.238259286
1985	74995880.74785244
1986	83886988.27428767
1987	93289495.81452765
1988	109103322.87304747
1989	89513420.23358294
1990	80162784.94586797
1991	77920678.05586149
1992	96058281.00789708
1993	92845377.27182752
1994	126667622.2428297
1995	129898609.11607917
1996	113655869.88215818
1997	95853035.71811156
1998	113800830.42964911
1999	140746857.74811018
2000	248989772.3946441
2001	304558002.6488133
2002	383539964.0146365
2003	435885971.4570574
2004	498075015.4243048
2005	526689640.9805221
2006	450769117.2191286
2007	538955033.7856001
2008	581861705.9948926
2009	668191748.6376017
2010	1075453837.7579823
2011	1349204412.2892535
2012	1370505093.330712
2013	1244226643.48834
2014	1180592721.0890129
2015	1234615742.899389
2016	1329616546.3207233
2017	1403680706.771669
2018	1395402439.296683
2019	1260749344.7951353
2020	960200045.7573525
2021	1229032780.6836474
2022	1603875534.2872205