Year	Millions of 2000 Dollars
1992-01-01	295.61600000000000
1993-01-01	1097.06000000000000
1994-01-01	366.77099999999996
1995-01-01	422.54699999999997
1996-01-01	518.82500000000000
1997-01-01	760.43600000000000
1998-01-01	634.50800000000000
1999-01-01	659.23300000000010
2000-01-01	1060.45000000000000
2001-01-01	885.32300000000000
2002-01-01	965.27000000000000
2003-01-01	1194.37000000000000
2004-01-01	1715.82000000000000
2005-01-01	2181.67000000000000
2006-01-01	4192.41000000000000
2007-01-01	7192.22000000000000
2008-01-01	10939.90000000000000
2009-01-01	10703.30000000000000
2010-01-01	13194.00000000000000
2011-01-01	17168.70000000000000
2012-01-01	20399.80000000000000
2013-01-01	21593.00000000000000
2014-01-01	23161.10000000000000
2015-01-01	12289.10000000000000
2016-01-01	10295.00000000000000