Year	Millions of 2000 Dollars
1962-01-01	821.0210000000001
1963-01-01	791.5060000000001
1964-01-01	735.4560000000000
1965-01-01	648.2520000000000
1966-01-01	836.8160000000000
1967-01-01	986.5800000000000
1968-01-01	1096.4100000000000
1969-01-01	990.2110000000000
1970-01-01	1249.0400000000000
1971-01-01	1283.3700000000000
1972-01-01	1599.4100000000000
1973-01-01	2039.5200000000000
1974-01-01	3067.3600000000000
1975-01-01	3480.1700000000000
1976-01-01	4283.5600000000000
1977-01-01	4015.0700000000000
1978-01-01	3745.7700000000000
1979-01-01	4029.8300000000000
1980-01-01	4078.4100000000000
1981-01-01	4554.7100000000000
1982-01-01	4116.6500000000000
1983-01-01	3873.3400000000000
1984-01-01	3530.7100000000000
1985-01-01	3628.1600000000000
1986-01-01	4012.4000000000000
1987-01-01	4711.2900000000000
1988-01-01	4352.5200000000000
1989-01-01	4286.0100000000000
1990-01-01	4886.6700000000000
1991-01-01	5124.0800000000000
1992-01-01	5124.0800000000000
1993-01-01	5124.0800000000000
1994-01-01	5124.0800000000000
1995-01-01	5124.0800000000000
1996-01-01	5124.0800000000000
1997-01-01	5124.0800000000000
1998-01-01	5124.0800000000000
1999-01-01	5124.0800000000000
2000-01-01	5124.0800000000000
2001-01-01	5124.0800000000000
2002-01-01	5124.0800000000000
2003-01-01	5124.0800000000000
2004-01-01	5124.0800000000000
2005-01-01	6330.1100000000000
2006-01-01	7140.9100000000000
2007-01-01	8730.1200000000000
2008-01-01	9593.8200000000000
2009-01-01	10771.2000000000000
2010-01-01	10949.6000000000000
2011-01-01	12642.8000000000000
2012-01-01	13076.6000000000000