Year	2010 U.S. Dollars
1996-01-01	31270.4462608105
1997-01-01	32598.3373228934
1998-01-01	34514.6970404977
1999-01-01	35427.8617215754
2000-01-01	36554.6575201805
2001-01-01	37488.6923688425
2002-01-01	37360.1018342377
2003-01-01	37976.6719391033
2004-01-01	40684.2636901647
2005-01-01	42604.4541982866
2006-01-01	43703.9471922820
2007-01-01	46629.6565347528
2008-01-01	46529.8510243027
2009-01-01	43354.7684522666
2010-01-01	41851.7354772988
2011-01-01	42543.1405522383
2012-01-01	42875.6455524898
2013-01-01	44301.7553155641
2014-01-01	44775.6353686260
2015-01-01	46221.9325708441
2016-01-01	48995.1685496011
2017-01-01	49910.0055207086