Year	Millions of 2000 Dollars
1990-01-01	9507.17
1991-01-01	10263.70
1992-01-01	12054.10
1993-01-01	15384.40
1994-01-01	19850.20
1995-01-01	6087.24
1996-01-01	2887.67
1997-01-01	3071.05
1998-01-01	3112.20
1999-01-01	3070.45
2000-01-01	3574.04
2001-01-01	3994.49
2002-01-01	4437.54
2003-01-01	5061.71
2004-01-01	5569.35
2005-01-01	5870.01
2006-01-01	7094.19
2007-01-01	7933.11
2008-01-01	8949.76
2009-01-01	9485.43
2010-01-01	10129.40
2011-01-01	9877.59
2012-01-01	11785.10
2013-01-01	13205.00