Year	Millions of 2000 Dollars
1990-01-01	944.4580000000001
1991-01-01	1115.4300000000000
1992-01-01	1427.4900000000000
1993-01-01	1490.7300000000000
1994-01-01	1822.6500000000000
1995-01-01	2116.9300000000000
1996-01-01	1980.2300000000000
1997-01-01	2024.5900000000000
1998-01-01	1829.6100000000000
1999-01-01	2027.2600000000000
2000-01-01	1805.0000000000000
2001-01-01	1177.7600000000000
2002-01-01	1743.6100000000000
2003-01-01	2440.5900000000000
2004-01-01	3236.7000000000000
2005-01-01	3058.5700000000000
2006-01-01	3508.0300000000000
2007-01-01	3800.5700000000000
2008-01-01	3275.8500000000000
2009-01-01	6541.0500000000000
2010-01-01	7797.5400000000000
2011-01-01	6883.6100000000000
2012-01-01	6868.7100000000000
2013-01-01	6237.1100000000000
2014-01-01	5993.8900000000000
2015-01-01	4328.9900000000000
2016-01-01	5098.2900000000000