Year	2005 U.S. Dollars
1989-01-01	7090.25083941265
1990-01-01	7119.60973820658
1991-01-01	7175.35742661378
1992-01-01	6989.07904044462
1993-01-01	6918.71156745977
1994-01-01	6783.52338990230
1995-01-01	6748.83414811449
1996-01-01	6846.47171109114
1997-01-01	7114.21615949846
1998-01-01	7080.10899448093
1999-01-01	7212.98170924697
2000-01-01	7632.80003679671
2001-01-01	7729.38372031989
2002-01-01	7811.07756551768
2003-01-01	8208.75036057236
2004-01-01	8833.90564781440
2005-01-01	9354.42780126587
2006-01-01	9979.21114559780
2007-01-01	10582.72705319370
2008-01-01	10907.77798440610
2009-01-01	10453.78529141480
2010-01-01	10956.71438226250
2011-01-01	11475.22471238130
2012-01-01	11759.20035833280
2013-01-01	11933.26002346090
2014-01-01	12055.37863516540