Year	current US$
1970	336637239.52
1971	2662875262.8900003
1972	3288680658.65
1973	4495286789.26
1974	4992641178.02
1975	8249324672.794001
1976	8484638766.646898
1977	10338855133.003002
1978	13103263151.512
1979	14975340411.549
1980	16565484043.758001
1981	14921258969.154
1982	14622817716.744
1983	13934491189.426998
1984	13026125275.084
1985	13221756887.01
1986	17305176022.842003
1987	23005218261.701
1988	25556162057.277
1989	25960519295.538002
1990	30915321191.73073
1991	30976366132.778343
1992	34811957949.6241
1993	33718831428.613106
1994	33004308185.400623
1995	40603681806.70824
1996	39622451586.55951
1997	36588041592.787476
1998	37857920758.01834
1999	44057878567.23859
2000	42078063670.77347
2001	45767864134.62344
2002	48922138890.555145
2003	60269524298.23529
2004	73938599830.50351
2005	83063255453.37729
2006	97370153629.34306
2007	125247729631.30676
2008	162771354713.35635
2009	145904886460.1873
2010	143403728443.53983
2011	163013715549.58557
2012	163951721888.36548
2013	180740274350.4682
2014	177004444336.65463
2015	152866820732.5677
2016	150484798547.925
2017	166260575553.21082
2018	181129420622.49365
2019	184578172087.46646
2020	180458850906.00406
2021	201773384661.0915
2022	197755639314.51904
