Year	current US$
1970	100909999.66859818
1971	133110000.49486752
1972	114190001.15990633
1973	168160001.3263524
1974	209719997.63697386
1975	390290003.21961945
1976	268289998.17557636
1977	340889998.0932474
1978	381859996.4939057
1979	499569999.9332427
1980	504060000.4736334
1981	533329999.7020513
1982	559929997.0269203
1983	622830001.9688907
1984	678349999.6326864
1985	767069997.3925947
1986	636599996.2631612
1987	698609999.200329
1988	860909997.4427373
1989	748719999.0712105
1990	936540000.1313535
1991	1319199996.0783868
1992	1543269987.7172704
1993	1265829995.7141283
1994	1151720001.8409643
1995	988300006.8254766
1996	321029998.4831363
1997	314729997.15618783
1998	261649998.65740553
1999	349500003.38442653
2000	350240000.4081429
2001	344829999.241978
2002	333170000.7710606
2003	312100000.5975364
2004	240779999.04379258
2005	451490000.1399218
2006	363949999.043718
2007	227370000.62502915
2008	293839999.8918177
2009	268379999.12910157
2010	222949997.31332067
2011	300630000.85204834
2012	325915039.9818244
2013	328455877.82980883
2014	273805822.1340179
2015	260250530.78774357
2016	276494036.43235546
2017	251303139.04793015
2018	175478870.9529239
2019	247836016.94134998
2020	266318313.80445525
2021	339036159.946816
2022	347716729.3205856