Year	current US$
1992	600000000
1993	1166666666.6666667
1994	-48739495.798319325
1995	7249712.3130034525
1996	360076923.0769231
1997	226926040.0616333
1998	118317797.52872318
1999	-318046530.28479743
2000	25107373.940205265
2001	134892086.33093524
2002	28038103.321198042
2003	214988763.05898297
2004	775230759.2604594
2005	587235702.1478118
2006	932685492.5952176
2007	1229497502.4230225
2008	2635367908.6313424
2009	674889457.7612287
2010	1046932862.4043566
2011	-289227540.54070354
2012	1102316208.6626923
2013	1216885040.0617113
2014	1274439803.9925275
2015	214743322.07919255
2016	495083593.73390037
2017	1024663335.993318
2018	1111597520.2296026
2019	1362474023.3571074
2020	1282190545.4843569
2021	1260893970.2797718
2022	1586306690.5296826
2023	1608658785.9743626