Year	current US$
1968	39146325680.589554
1969	44394237998.44451
1970	49102180220.914604
1971	53484934195.5572
1972	58476067963.21726
1973	72719710667.87312
1974	97508387780.61713
1975	108061747945.33423
1976	116641984558.62411
1977	125942524239.90111
1978	144048530085.08066
1979	181486725394.30524
1980	214348402574.16388
1981	246314375700.15146
1982	221876153692.48468
1983	226499684880.2643
1984	232973638351.79614
1985	229051991274.27875
1986	234040473500.36194
1987	245498178779.21777
1988	275767267782.2765
1989	276083838044.3415
1990	330483609148.9021
1991	349838919080.82544
1992	379417426414.2986
1993	430342332406.65063
1994	452490198390.6646
1995	469134992664.2438
1996	512291399908.06647
1997	560701485490.2126
1998	544803750533.4145
1999	556476097619.0095
2000	606700497694.9673
2001	581571775540.9253
2002	568911134025.0372
2003	621142999523.1906
2004	712031211502.3141
2005	808886990102.1833
2006	942008811195.8993
2007	1086637692469.1401
2008	1205989382991.6633
2009	1142508613892.6853
2010	1359420001470.8652
2011	1517926362536.7458
2012	1587419498924.9478
2013	1583682718219.5637
2014	1649221933814.4514
2015	1727969371527.4846
2016	1764020360156.7153
2017	1903312125704.2493
2018	1941721345519.325
2019	1935988718641.0493
2020	1843070147024.949
2021	2204158431551.927
2022	2423145808486.2793
2023	2502717779989.48