Year	current US$
2004	-121302340.178361
2005	39708865.294751
2006	718440942.447628
2007	365928050.674626
2008	815287495.231567
2009	442204411.682808
2010	-249927294.94669
2011	-189332408.320869
2012	-317589634.525227
2013	-600581086.480157
2014	289275551.443638
2015	2733121068.00518
2016	1720798552.40287
2017	1850601662.28058
2018	1867358910.06425
2019	1849917104.90599
2020	1615718913.83978