Year	Millions of 2000 Dollars
1992-01-01	3637.16
1993-01-01	3903.78
1994-01-01	3903.78
1995-01-01	5805.63
1996-01-01	6983.41
1997-01-01	7803.21
1998-01-01	8414.00
1999-01-01	13504.90
2000-01-01	17096.80
2001-01-01	20627.80
2002-01-01	22350.80
2003-01-01	28736.30
2004-01-01	36168.70
2005-01-01	45383.60
2006-01-01	56897.90
2007-01-01	80949.00
2008-01-01	92730.90
2009-01-01	108052.00
2010-01-01	130995.00
2011-01-01	129168.00
2012-01-01	158582.00
2013-01-01	187328.00
2014-01-01	220549.00
2015-01-01	244260.00
2016-01-01	278588.00