Year	Millions of 2000 Dollars
1979-01-01	115931.0
1980-01-01	84741.4
1981-01-01	79792.1
1982-01-01	69234.1
1983-01-01	66974.6
1984-01-01	59080.7
1985-01-01	59324.1
1986-01-01	55635.2
1987-01-01	44726.4
1988-01-01	43914.8
1989-01-01	19774.9
1990-01-01	33775.2
1991-01-01	39181.8
1992-01-01	42027.3
1993-01-01	40969.9
1994-01-01	48069.9
1995-01-01	61833.2
1996-01-01	67398.1
1997-01-01	69905.9
1998-01-01	86462.0
1999-01-01	85055.7
2000-01-01	91890.0
2001-01-01	107791.0
2002-01-01	107150.0
2003-01-01	113724.0
2004-01-01	148627.0
2005-01-01	148614.0
2006-01-01	186505.0
2007-01-01	241957.0
2008-01-01	236761.0
2009-01-01	256465.0
2010-01-01	264380.0
2011-01-01	250522.0
2012-01-01	283774.0
2013-01-01	305658.0
2014-01-01	281853.0
2015-01-01	274355.0
2016-01-01	274888.0