Year	current US$
1991	-286808295.9791263
1992	-82107413.37641145
1993	-2879967248.314555
1994	-2442687865.5881705
1995	-3595385.497710328
1996	220869497.9976639
1997	455053075.8737657
1998	-764466886.2233834
1999	-1343856817.1985335
2000	-1742747162.087071
2001	-693604433.0031852
2002	-1383388019.931491
2003	-3360777899.188923
2004	-4499881131.939601
2005	-3150326306.1641173
2006	-1674937021.7215648
2007	197494034.06275153
2008	57851426.93795308
2009	4520066797.896825
2010	6277925564.955326
2011	8122235209.271094
2012	7870725034.706143
2013	8786284896.846153
2014	8253775768.302021
2015	9679038421.952333
2016	10810361485.726477
2017	9460592736.54805
2018	6824231620.889789
2019	3785818482.075277
2020	3031734109.6765084
2021	353297834.61482465
2022	-7859733625.577319
2023	10857608813.658537