Year	current US$
1970	82209999.75502494
1971	92590000.81755224
1972	109760000.42073427
1973	210120000.25995082
1974	265120000.39592385
1975	377679993.8101322
1976	300940003.0188262
1977	328350003.29278404
1978	530330003.44596815
1979	752819997.5080788
1980	811860002.1414458
1981	746129996.9535321
1982	793049997.3818661
1983	722609998.8725036
1984	594960000.1350046
1985	672839999.0219623
1986	858619995.5232443
1987	956319999.2515146
1988	1083389997.186139
1989	1115499997.5971878
1990	1345159989.9381402
1991	1468980010.4945896
1992	1284730014.8177888
1993	1297660000.8085372
1994	1246419989.293442
1995	1431070002.0715597
1996	1622280016.5563822
1997	942440003.5496798
1998	1052920000.0651182
1999	941289995.033294
2000	782860002.0073359
2001	807119996.1230158
2002	928769999.5189903
2003	1814119998.0471287
2004	1379659987.0622163
2005	1263430013.6994567
2006	1396810006.8978972
2007	1444019999.2042034
2008	1969959994.256497
2009	1864759994.799271
2010	2072339998.5264986
2011	2238759984.433652
2012	2669219963.913785
2013	2364379999.7065215
2014	2714130016.263575
2015	2089130013.8533125
2016	3076639983.510599
2017	3500229964.6995974
2018	3681640009.7329164
2019	3757660010.246562
2020	4702750029.332937
2021	4726710024.751724
2022	4085129960.3823576