Year	current US$
1970	16169999.856501812
1971	16710000.157356268
1972	18860000.63456596
1973	19149999.843910344
1974	28659999.9181926
1975	31579999.89390376
1976	37500000.29429795
1977	37329999.26060439
1978	54239999.42839146
1979	49089999.496936806
1980	39789999.95067716
1981	67120000.44807796
1982	70699999.89494678
1983	90279999.68081708
1984	118760000.3965199
1985	100660000.18827614
1986	108700000.088662
1987	118699998.37875363
1988	169479999.79183072
1989	153210000.26166442
1990	151410000.5701184
1991	146479999.2963673
1992	154809999.07106164
1993	135549999.66546896
1994	115299999.75301321
1995	110799999.42146246
1996	110330000.33721323
1997	120169999.39642845
1998	106210000.09030102
1999	116099999.30672354
2000	87179998.61761934
2001	102480000.45865776
2002	112610000.05528328
2003	135239999.00743365
2004	165219997.37620354
2005	246039997.9352951
2006	218829997.13718888
2007	313649999.2609022
2008	291950007.57649577
2009	297690002.50101066
2010	591969994.468615
2011	420789994.48008865
2012	361499996.43862224
2013	252219995.22112286
2014	229539996.23656288
2015	214440001.1543185
2016	209350002.05039978
2017	226410005.2788854
2018	232209998.81625178
2019	210789999.909699
2020	205700001.20997423
2021	235840000.94234955
2022	310250000.98347664