Year	current US$
1970	621162565.5506252
1971	567461824.1848948
1972	731524149.9404271
1973	1128947422.8938107
1974	1451509942.004971
1975	975068553.2521664
1976	1112478578.8923721
1977	1082418683.1738887
1978	1429733572.4349942
1979	1656995046.7804072
1980	1712626569.181956
1981	1300196653.6288571
1982	1256151333.21561
1983	1294441814.5956607
1984	1350117285.6743927
1985	1342973707.452952
1986	2192402022.7560053
1987	2589630470.0162077
1988	3146733955.0191994
1989	3659380630.6306305
1990	4635120714.630613
1991	5090490253.987005
1992	5873696361.355082
1993	6325914179.104477
1994	7167220882.56571
1995	8312364532.019705
1996	8354431270.358307
1997	8156621560.667568
1998	8291708157.368303
1999	9556617042.13593
2000	9646271344.001589
2001	9378002438.641745
2002	10042217065.67884
2003	12468475589.43919
2004	15269744302.064133
2005	16983235551.726063
2006	20856455736.324677
2007	26403317434.536556
2008	30219880293.901554
2009	26416834559.05428
2010	28012008708.833385
2011	30559766509.465042
2012	29522986729.3336
2013	32848451041.482838
2014	35248647663.422226
2015	30935308603.39803
2016	32161010170.811752
2017	33244273476.712997
2018	35232834217.34664
2019	34363676138.415634
2020	37818422702.46081
2021	44626752882.658195
2022	42281078023.29199
2023	41840524278.59682