Year	current US$
2005	7178385.3717644
2006	-4528187.6179614
2007	-1723.70315185189
2008	-8437607.24769289
2009	-4535942.18824865
2010	-1651102.68547534
2011	-1547722.68772552
2012	-2471429.21126272
2013	-8305267.10898293
2014	-4070390.61410744
2015	6474230.7056307