Year	Millions of 2000 Dollars
1986-01-01	0.8273040000000000
1987-01-01	2.4979200000000000
1988-01-01	3.6536699999999995
1989-01-01	5.0293300000000000
1990-01-01	36.0838000000000000
1991-01-01	11.3227000000000000
1992-01-01	21.8293000000000000
1993-01-01	27.8730000000000000
1994-01-01	22.2283000000000000
1995-01-01	33.8198000000000000
1996-01-01	45.4189000000000000
1997-01-01	85.6780000000000000
1998-01-01	79.7982000000000000
1999-01-01	81.3242000000000000
2000-01-01	117.1090000000000000
2001-01-01	117.2050000000000000
2002-01-01	167.2750000000000000
2003-01-01	69.8068000000000000
2004-01-01	104.1340000000000000
2005-01-01	104.9179999999999900
2006-01-01	120.2670000000000100
2007-01-01	161.2990000000000000
2008-01-01	197.2390000000000000
2009-01-01	212.4030000000000000
2010-01-01	241.4040000000000200
2011-01-01	353.9830000000000000
2012-01-01	312.5000000000000000
2013-01-01	369.6040000000000400
2014-01-01	422.0230000000000000
2015-01-01	476.3950000000000000
2016-01-01	488.7540000000000000