Year US Dollars 2002 -41000000 2003 -58000000 2004 -107000000 2005 -116000000 2006 -139000000 2007 -116000000 2008 -113000000 2009 -26000000 2010 -173000000 2011 -224000000 2012 -161000000 2013 -184000000 2014 -252000000 2015 -230000000 2016 -187000000