Year	current US$
1998	115680232.996267
1999	153086894.348437
2000	-122907198.059143
2001	155682632.644997
2002	184789639.968626
2003	94342567.4517802
2004	412800336.54166
2005	411317582.980616
2006	-78550819.2550321
2007	-170757039.823934
2008	-1170841221.77669
2009	-1360142937.7442
2010	-417847208.02773
2011	-593392684.807295
2012	90964221.0979313
2013	255591010.800049
2014	258435728.657704
2015	-166691866.559931
2016	220014134.496621
2017	583608197.035893
2018	1085047365.66933
2019	704489003.554025
2020	-503644082.905077
2021	-977664431.414706