Year	current US$
2005	-2873639937.99669
2006	-2373602598.84038
2007	-3072087510.58678
2008	-5841287924.90683
2009	-4665567231.62483
2010	-1900524422.59316
2011	-2789370679.02152
2012	-6091318648.74916
2013	-3967122826.72958
2014	-4398057544.2911
2015	-4843596914.58621
2016	-5225425280.72594
2017	-1148701728.40227
2018	-2171002091.14423
2019	254879737.216896
2020	1935402013.97235
2021	-5816540450.21192