Year	current US$
2002	-56851912.9090648
2003	5869938107.86829
2004	4531496995.32859
2005	14812053307.0047
2006	22922918305.2905
2007	25518984039.6931
2008	31624974706.0793
2009	10459212558.8676
2010	19119933460.7527
2011	3338363301.9822
2012	17118531961.8098
2013	5310557943.76668
2014	-1736479896.15373
2015	-4457238105.99998
2016	-6038237741.51192
2017	4161261596.1632
2018	10050378756.3228
2019	2460420225.34918
2020	-13471652534.9138