Year	current US$
1970	4721525271.235777
1971	5435559532.9882145
1972	6887181379.844039
1973	9219043502.705742
1974	10827239399.293283
1975	10648729556.767006
1976	11041396026.693256
1977	12887083506.785446
1978	16267940869.894817
1979	19747541945.445187
1980	21345098915.12444
1981	17458107827.8901
1982	17108735177.865618
1983	16432623716.868395
1984	16205075992.022558
1985	16467279196.59484
1986	24084175754.844524
1987	30376170004.353508
1988	33619936476.09495
1989	34430014560.58242
1990	43520925813.86906
1991	45975130229.81732
1992	49598955672.42675
1993	46977934461.138054
1994	50599903626.06915
1995	61396915517.947296
1996	59137704704.96493
1997	54552813169.46668
1998	57059404179.6354
1999	57626830954.08507
2000	53097691136.345215
2001	53154895957.00794
2002	59218852302.97658
2003	70648601822.84299
2004	82137196062.58322
2005	84851808527.9377
2006	92565997271.54105
2007	113795793840.92194
2008	124874213630.67966
2009	103791241506.63664
2010	102013247898.83353
2011	115362230818.9691
2012	109226334635.2266
2013	113661590227.03561
2014	118615843492.83488
2015	105253973654.52728
2016	111179009008.36603
2017	116839806162.30609
2018	130704962853.82736
2019	128858501599.37234
2020	126618206767.39339
2021	136229566477.1296
2022	132826184665.95383
2023	144220744861.47314