Year US Dollars 1994 64804469.27374 1995 -21229050.27933 1996 -28491620.11173 1997 -56983240.22346 1998 -66480446.92737 1999 -80849162.01117 2000 69301675.97765 2001 37519553.07263 2002 -86687150.83799 2003 -156597765.36313 2004 -77821229.05028 2005 -218770949.72067 2006 -302256983.24022 2007 -276474860.3352 2008 -241949720.67039 2009 -312122905.02793 2010 -328547486.03352 2011 -404837988.82682