Year	2011 U.S. Dollars
1995-01-01	34639
1996-01-01	36023
1997-01-01	35973
1998-01-01	36533
1999-01-01	37975
2000-01-01	39888
2001-01-01	41247
2002-01-01	41871
2003-01-01	43797
2004-01-01	46021
2005-01-01	48124
2006-01-01	50825
2007-01-01	52625
2008-01-01	53032
2009-01-01	51157
2010-01-01	53459
2011-01-01	54226