Year	current US$
1976	-865657752.780783
1977	250476235.472578
1978	-223868715.253397
1979	-71388084.1919568
1980	151033191.82977
1981	2779294485.33175
1982	3025999637.22573
1983	2779585619.23625
1984	1702413868.86718
1985	3162993031.87781
1986	3390044062.79296
1987	3729154823.63394
1988	3914001020.03093
1989	4288973098.51508
1990	4913012518.72316
1991	4680206574.84583
1992	4577017756.77124
1993	4426259200.64465
1994	5007547915.16818
1995	5546652133.70729
1996	7211430301.28153
1997	8127185686.44194
1998	9091735505.69306
1999	9757816546.29271
2000	10817883395.5222
2001	11214312917.4856
2002	12677222985.5135
2003	13607105644.9194
2004	15712134171.2316
2005	17327007131.3941
2006	19489014029.2685
2007	22437843075.2938
2008	26917677132.3733
2009	31676103872.3579
2010	35490597749.5275
2011	38716298656.811
2012	43600108020.443
2013	47660553389.2203
2014	51323393539.2843
2015	55831301202.7936
2016	77161387381.3163
2017	79331308184.8855
2018	87428639915.8422
2019	124787023991.229
2020	135098689467.01
2021	144695225047.49