Year	current US$
1970	29880000.313743938
1971	47679999.468848094
1972	60520000.90852379
1973	67849999.98100105
1974	122030000.26568773
1975	154349999.8357147
1976	128750000.16018759
1977	116679999.81902537
1978	177700000.52638358
1979	181530000.437051
1980	172090001.2459606
1981	178349999.25643218
1982	222209999.4644523
1983	220640001.5875697
1984	308129998.28159803
1985	294979999.12314105
1986	232039999.83146793
1987	327549999.4903803
1988	351430001.1955199
1989	382600000.9365381
1990	369640001.1759251
1991	423160003.1182169
1992	392479999.8104575
1993	300689997.37501144
1994	256909998.82668254
1995	272509999.9532105
1996	282189999.49097645
1997	249199999.42928544
1998	289490001.97648984
1999	261720000.2260507
2000	189629997.521639
2001	191689998.2541799
2002	379590007.16917217
2003	512249998.6011537
2004	603379999.3395804
2005	801129996.8361855
2006	971240006.5809493
2007	1219000008.6128714
2008	1229530021.7308114
2009	1299040012.3894212
2010	1816309994.5429723
2011	1407669986.7844574
2012	1436870005.8739638
2013	1156779988.3205447
2014	994010005.9509277
2015	928500000.7301577
2016	767070005.8806688
2017	824069998.4915556
2018	992959996.9610572
2019	830489999.2384017
2020	834320005.6627392
2021	1055229994.6397547
2022	1203749992.6835299