Year	2010 U.S. Dollars
1995-01-01	41473.3284370398
1996-01-01	41185.0399212941
1997-01-01	40147.4206231383
1998-01-01	38874.5098297967
1999-01-01	35824.1351032368
2000-01-01	35792.7097863038
2001-01-01	35051.8022559136
2002-01-01	35522.7273695884
2003-01-01	41189.4631833748
2004-01-01	44820.2000238126
2005-01-01	47847.8235910685
2006-01-01	49268.2631186018
2007-01-01	49588.7642751449
2008-01-01	47965.0088277919
2009-01-01	41936.8167711931
2010-01-01	38497.6169579293
2011-01-01	39652.1711776107
2012-01-01	39733.2891914042
2013-01-01	37924.4724387343
2014-01-01	36259.6686830463
2015-01-01	35053.5908361253
2016-01-01	35250.9145753869
2017-01-01	33545.6176294552