Year	current US$
1969	13079999.839887
1970	19610000.172629997
1971	31040000.099688802
1972	19139999.803155698
1973	40180000.0723451
1974	64219999.9131262
1975	106050000.149757
1976	72200000.5543232
1977	74839999.8471141
1978	122440000.623465
1979	136319999.419153
1980	174140001.20758998
1981	198440001.616254
1982	178309999.92787802
1983	222190002.977848
1984	278749998.178333
1985	349730002.313852
1986	222100000.794977
1987	257860002.350062
1988	312489998.370409
1989	310229996.800423
1990	433050002.217293
1991	767409994.482994
1992	994119987.18977
1993	871089996.606112
1994	757630002.163351
1995	613140006.102622
1996	214139999.92609
1997	86259996.3936955
1998	117279999.047518
1999	175750002.89082497
2000	190549999.322742
2001	214429999.321699
2002	213770000.44845
2003	202860000.08136
2004	149899999.812245
2005	342379999.477416
2006	217399998.962879
2007	132409999.921918
2008	180130000.092089
2009	166829999.61637
2010	123909998.28279
2011	164209999.56876
2012	229608959.63013202
2013	229550103.657879
2014	171622298.33612198
2015	162660347.748548
2016	158228002.782911
2017	163794958.975166
2018	105260346.084833
2019	139806534.74666202
2020	151064419.666305
2021	232601519.36113802
2022	186185373.18706504