Year	current US$
1970	26109999.800100915
1971	52449999.76269894
1972	58460000.07726251
1973	69420000.3538281
1974	107880001.42201787
1975	138240000.41745606
1976	126870000.11652707
1977	99359999.71814449
1978	141840000.50462788
1979	151650001.0974705
1980	145270001.49153176
1981	172789999.8687209
1982	213809999.10086393
1983	179340000.37238008
1984	231249999.47659665
1985	233609999.59707254
1986	207050000.92461705
1987	278330000.2813339
1988	296400000.31143415
1989	302820002.35468155
1990	285510000.3313272
1991	290160003.3342837
1992	296610000.9530785
1993	208619998.43269593
1994	175439999.28236
1995	194419999.74101794
1996	178519999.16136268
1997	147480000.77903274
1998	208510001.12295145
1999	172569999.45640564
2000	129189999.90820885
2001	135819999.15838242
2002	342440005.7438761
2003	465600000.1672658
2004	527049998.65591514
2005	965319997.0126154
2006	762280009.7465521
2007	950050013.929606
2008	992960009.5488136
2009	975390007.5256824
2010	1037999996.8539927
2011	1005809990.58485
2012	1104240007.413552
2013	921309999.8459222
2014	851010003.477335
2015	852129997.018725
2016	712330003.9041787
2017	824339997.6566432
2018	901830001.3858824
2019	788500002.2277235
2020	824450002.9161572
2021	1049939994.4245821
2022	1129189991.2655354
