Year	current US$
1970	78570001.1532754
1971	93860000.00312917
1972	88960000.06608666
1973	137370001.19686127
1974	217319998.5176325
1975	220530001.07407573
1976	181460002.23793086
1977	167840000.89764592
1978	232109999.835491
1979	268160000.0578909
1980	314990001.0228157
1981	338310000.1513958
1982	290449999.8986721
1983	335109999.3288517
1984	345980000.4065036
1985	398099996.9411645
1986	425559992.8200245
1987	469060003.3216177
1988	665550007.8499322
1989	726560003.7276745
1990	825900004.6178699
1991	926220000.574365
1992	1167460001.198575
1993	851609991.1928183
1994	1107149991.497397
1995	1122470005.9890747
1996	903639992.1774868
1997	789279993.8917158
1998	969490001.7864997
1999	597420004.5987964
2000	680739998.281002
2001	971970006.0784822
2002	1214340002.0003319
2003	1799519991.3978574
2004	2138730001.6880047
2005	2449860005.795955
2006	3077669992.372392
2007	3549769998.610019
2008	4083069952.309133
2009	3852039988.9051914
2010	4080190000.161531
2011	3781569992.035627
2012	3737929985.463619
2013	4287290007.114411
2014	5083700009.822845
2015	3907240019.496532
2016	4770749991.113319
2017	4865999973.028898
2018	5400959987.163543
2019	4609729981.303214
2020	6299939988.873899
2021	5604450066.596271
2022	14514430199.846626