Year	Millions of 2000 Dollars
2004-01-01	5798.95
2005-01-01	6921.21
2006-01-01	9612.53
2007-01-01	11769.80
2008-01-01	11823.80
2009-01-01	11964.70
2010-01-01	11204.00
2011-01-01	13893.80
2012-01-01	14799.20
2013-01-01	16197.20
2014-01-01	15696.90
2015-01-01	15462.80
2016-01-01	15907.30