Year	current US$
1978	931772090.3204384
1979	1364461571.8295486
1980	821121470.2964841
1981	1876261660.3354027
1982	1367636699.6318486
1983	557427740.2839191
1984	485730413.4685918
1985	465256483.0558741
1986	739677220.4392673
1987	938973474.8716311
1988	1252402879.4416845
1989	1148407419.4514294
1990	1309997246.9909809
1991	1789296966.9860625
1992	1884432362.4740975
1993	2091873093.2442076
1994	2386559568.7637205
1995	2725409828.3194203
1996	2886305599.0385146
1997	3251335022.405077
1998	3539539064.6239815
1999	2878765395.571155
2000	2503654967.179934
2001	2391644491.229213
2002	2093305095.4208567
2003	1797893152.5011995
2004	2288816921.3915105
2005	3052138009.241664
2006	3259720080.4622684
2007	4021176330.571534
2008	4969493127.463513
2009	5781797480.240835
2010	7193107820.447999
2011	8835544747.13827
2012	6952070982.453993
2013	8924372701.708864
2014	8140857147.26843
2015	8771321086.01042
2016	10504541881.453398
2017	10446160124.52663
2018	9429127691.970312
2019	9585516393.190458
2020	8352025515.468098
2021	9467158937.021576
2022	10487846948.269691
2023	10630233610.716633