Year	US Dollars
2000	-7838221.28391
2001	1547489.41429
2002	4087239.42237
2003	5146731.98186
2004	4820469.37858
2005	9951220.95894
2006	9607036.50302
2007	11842013.20105
2008	15934062.93972
2009	14027250.91623
2010	21423349.34594
2011	-861687.22062
2012	366883198.88644
2013	415522247.38614
2014	-1360062909.16479
2015	-3438999637.10157
2016	-3085469205.11674