Year	2010 U.S. Dollars
1990-01-01	1796.936431659510
1991-01-01	1601.593822549670
1992-01-01	949.033221278773
1993-01-01	886.032785925221
1994-01-01	956.470885506279
1995-01-01	1043.543140933920
1996-01-01	1121.881628693490
1997-01-01	1172.136802427100
1998-01-01	1267.575282646480
1999-01-01	1317.741923438140
2000-01-01	1404.321462046310
2001-01-01	1548.075851245300
2002-01-01	1761.888272047930
2003-01-01	2019.984867364830
2004-01-01	2244.220170702390
2005-01-01	2571.985755520460
2006-01-01	2933.833478425520
2007-01-01	3366.162187329120
2008-01-01	3629.157702141060
2009-01-01	3136.811727205580
2010-01-01	3218.381654884650
2011-01-01	3371.672830550200
2012-01-01	3606.480553535570
2013-01-01	3710.575742614600
2014-01-01	3827.343195481410
2015-01-01	3935.288772429690
2016-01-01	3932.554617334010
2017-01-01	4219.368549358910