Year	Current U.S. Dollars
2001-01-01	505.787181535376
2002-01-01	551.203852227072
2003-01-01	643.949065739559
2004-01-01	687.548404467755
2005-01-01	804.127987385207
2006-01-01	836.795284158117
2007-01-01	886.669589831603
2008-01-01	1126.462102063950
2009-01-01	1099.571045723500
2010-01-01	1129.754961465470
2011-01-01	1304.326189291660
2012-01-01	1380.949959172290
2013-01-01	1619.532677611880
2014-01-01	1824.378911031010
2015-01-01	1613.480207060190
2016-01-01	1771.987941075000
2017-01-01	1912.970721588840