Year	Millions of 2000 Dollars
1993-01-01	2293.72
1994-01-01	4546.22
1995-01-01	6591.57
1996-01-01	9136.50
1997-01-01	10928.10
1998-01-01	12259.80
1999-01-01	9574.07
2000-01-01	11210.90
2001-01-01	15730.10
2002-01-01	19675.90
2003-01-01	25023.30
2004-01-01	28755.80
2005-01-01	27801.80
2006-01-01	35738.30
2007-01-01	45403.30
2008-01-01	45787.20
2009-01-01	45011.70
2010-01-01	45652.70
2011-01-01	43079.50
2012-01-01	38496.40
2013-01-01	38571.00
2014-01-01	34007.00
2015-01-01	31858.80
2016-01-01	31831.90