Year	Dollars
1975-01-01	944250471.96487522
1976-01-01	930003588.64957392
1977-01-01	429857873.36452723
1978-01-01	806279032.07239938
1979-01-01	483428982.99445444
1980-01-01	483104856.40242457
1981-01-01	845351159.19090366
1982-01-01	456404026.56925905
1983-01-01	2051227239.78447890
1984-01-01	3043964022.08644720
1985-01-01	3280912169.72486730
1986-01-01	3991796180.31604150
1987-01-01	5733551426.77794930
1988-01-01	7175261619.99549770
1989-01-01	7212449876.41547870
1990-01-01	5528047903.52668090
1991-01-01	3450256957.08016920
1992-01-01	4075256826.66855000
1993-01-01	7074282103.52967450
1994-01-01	10575600732.84155100
1995-01-01	3860872685.47882940
1996-01-01	11847815354.96895200
1997-01-01	9634675178.41352460
1998-01-01	8583901791.82913590
1999-01-01	9578551080.87888910
2000-01-01	10339188587.19780000
2001-01-01	7995188366.14025970
2002-01-01	11984457671.48640100
2003-01-01	16420892847.67280000
2004-01-01	22228836663.79650100
2005-01-01	25283933566.10380200
2006-01-01	37774707245.33100100
2007-01-01	94363474386.90559400
2008-01-01	34436776819.16069800