Year	Millions of 2000 Dollars
1976-01-01	114.72800000000000
1977-01-01	129.58400000000000
1978-01-01	150.43100000000000
1979-01-01	137.07500000000000
1980-01-01	137.39400000000000
1981-01-01	137.35100000000000
1982-01-01	140.43300000000000
1983-01-01	160.28300000000000
1984-01-01	160.92900000000000
1985-01-01	168.17600000000000
1986-01-01	197.45500000000000
1987-01-01	229.48300000000000
1988-01-01	229.28500000000000
1989-01-01	249.65599999999998
1990-01-01	270.93900000000000
1991-01-01	289.42700000000000
1992-01-01	317.75900000000000
1993-01-01	319.38599999999997
1994-01-01	337.13300000000004
1995-01-01	388.60400000000004
1996-01-01	404.62300000000005
1997-01-01	443.75800000000004
1998-01-01	462.41500000000000
1999-01-01	521.32900000000010
2000-01-01	566.86900000000000
2001-01-01	615.15800000000000
2002-01-01	618.52400000000000
2003-01-01	637.04800000000000
2004-01-01	698.11200000000000
2005-01-01	719.43000000000000
2006-01-01	817.71100000000000
2007-01-01	910.84899999999990
2008-01-01	1042.03000000000000
2009-01-01	1062.24000000000000
2010-01-01	1045.39000000000000
2011-01-01	1068.93000000000000
2012-01-01	1166.30000000000000
2013-01-01	1164.59000000000000
2014-01-01	1247.08000000000000
2015-01-01	1331.66000000000000
2016-01-01	1339.16000000000000