Year	2010 U.S. Dollars
2000-01-01	60858.1912230348
2001-01-01	60707.1198813964
2002-01-01	62167.5576482970
2003-01-01	60460.4202003675
2004-01-01	65405.7177707633
2005-01-01	61688.8119300477
2006-01-01	66623.1361050890
2007-01-01	66761.6227443087
2008-01-01	67262.4517149952
2009-01-01	65769.0071794388
2010-01-01	70306.2278449301
2011-01-01	72670.9586637702
2012-01-01	70396.8161178956
2013-01-01	68899.4853105472
2014-01-01	67901.2188129755
2015-01-01	67277.2431294600
2016-01-01	66410.7564675877
2017-01-01	65696.3871315716