Year	Dollars
1970-01-01	0.000000000
1971-01-01	0.000000000
1972-01-01	0.000000000
1973-01-01	0.000000000
1974-01-01	0.000000000
1975-01-01	0.000000000
1976-01-01	0.000000000
1977-01-01	0.000000000
1978-01-01	0.000000000
1979-01-01	0.000000000
1980-01-01	0.000000000
1981-01-01	0.000000000
1982-01-01	0.000000000
1983-01-01	0.000000000
1987-01-01	545271321.540134670
1988-01-01	417875934.780156370
1989-01-01	453435719.820634370
1990-01-01	887612347.235116960
1991-01-01	503971699.872476340
1992-01-01	746004682.685447930
1993-01-01	460299951.527560000
1994-01-01	46058772.565803766
1995-01-01	841007998.498245000
1996-01-01	1966411099.606558300
1997-01-01	1570730079.890847200
1998-01-01	814680910.975260020
1999-01-01	1205285943.914474500
2000-01-01	2569485995.158862600
2001-01-01	1890381463.047352800
2002-01-01	1420060277.989739200
2003-01-01	2424716499.435454800
2004-01-01	3778757167.249054900
2005-01-01	2825257625.142840400
2006-01-01	1805808311.293677300
2007-01-01	5172565819.378049900
2008-01-01	6054068201.227910000
2009-01-01	5139881370.700790400
2010-01-01	5733333110.836440100
2011-01-01	5745377188.805419900