Year	current US$
1971	793769.9556
1972	607909.739
1973	2062166.452
1974	4513935.089
1975	6694577.217
1976	5374445.915
1977	11541872.978
1978	18057362.556
1979	24727344.990000002
1980	32572617.889
1981	37859680.057
1982	47096185.923
1983	53856820.82
1984	54739126.209
1985	86315581.324
1986	91753145.224
1987	99964464.195
1988	89330696.109
1989	90366199.012
1990	102259079.453
1991	88060342.313
1992	104135476.11500001
1993	97246846.19999999
1994	91660984.036
1995	79360834.72186536
1996	113194178.13397929
1997	96752378.8800347
1998	75653152.31045239
1999	79849861.22474934
2000	106131171.71987936
2001	202603962.77074158
2002	220468421.28565082
2003	240216176.0533703
2004	257477547.0171925
2005	396286611.5263655
2006	429589372.1527257
2007	426056303.977964
2008	422449086.25465757
2009	458086086.7892302
2010	475962943.43181556
2011	509557889.27881134
2012	578568967.2164708
2013	615760624.4721181
2014	621794593.8812535
2015	651088534.3762455
2016	664218290.9358846
2017	756175767.497059
2018	801602027.218652
2019	877719489.197278
2020	937564798.4292583
2021	1189218766.0908995
2022	1307500413.0979326