Year	current US$
1990	1000807464.5612776
1991	589350649.3506494
1992	217234304.47271234
1993	149628363.94703117
1994	266139192.44981638
1995	237191344.09740353
1996	285610085.9820307
1997	265666530.7786384
1998	307086223.9841427
1999	303020222.0311741
2000	415076937.90475345
2001	441434619.68075526
2002	590351792.0990669
2003	760341932.0282669
2004	1005308838.6915362
2005	1719780114.9410553
2006	2671936619.9967566
2007	4005158268.7088094
2008	5461720355.04204
2009	3708570836.9198136
2010	3646247650.8118267
2011	3117355034.880159
2012	2506036031.463408
2013	2359141978.645488
2014	2321328836.7964625
2015	2175313196.3618207
2016	1830568762.558309
2017	2034409256.0485942
2018	2085572748.2574217
2019	2153972300.965924
2020	2246925551.0972247
2021	2942875717.093118
2022	3954573415.6586404
2023	5027193232.776192