Year	Millions of 2000 Dollars
1982-01-01	43.37810000000000
1983-01-01	45.69200000000000
1984-01-01	32.56340000000000
1985-01-01	45.10830000000000
1986-01-01	54.89990000000000
1987-01-01	79.76420000000000
1988-01-01	77.38630000000000
1989-01-01	89.41220000000000
1990-01-01	99.75660000000000
1991-01-01	98.07150000000000
1992-01-01	94.14399999999999
1993-01-01	87.57410000000000
1994-01-01	64.64880000000000
1995-01-01	64.20620000000000
1996-01-01	66.85800000000000
1997-01-01	57.83200000000000
1998-01-01	51.27020000000000
1999-01-01	49.25600000000000
2000-01-01	50.88980000000000
2001-01-01	66.76310000000000
2002-01-01	82.80799999999999
2003-01-01	94.89070000000000
2004-01-01	94.41500000000000
2005-01-01	94.02690000000000
2006-01-01	118.20900000000000
2007-01-01	137.68400000000000
2008-01-01	146.14300000000000
2009-01-01	171.10299999999998
2010-01-01	186.71800000000000
2011-01-01	192.41400000000002
2012-01-01	223.68700000000000
2013-01-01	236.91299999999998
2014-01-01	223.76300000000000
2015-01-01	233.28099999999998
2016-01-01	243.98000000000000