Year	Dollars
1975-01-01	378779166.1297695600
1976-01-01	330861199.8574082300
1977-01-01	322615673.4489930300
1978-01-01	382764450.9043094500
1979-01-01	371064079.5798209300
1980-01-01	406650065.1617130000
1981-01-01	374220985.0767968900
1982-01-01	303259314.9610292300
1983-01-01	267626009.9043487900
1984-01-01	240139564.5816893900
1985-01-01	65052501.7705818940
1986-01-01	50524914.9945985230
1987-01-01	30892521.4188770540
1988-01-01	11321594.8124225740
1989-01-01	-9013547.8134989813
1990-01-01	1450755364.0914831000
1991-01-01	3165501174.6073699000
1992-01-01	3726037349.4574919000
1993-01-01	2872196852.0919399000
1994-01-01	2305252290.2018805000
1995-01-01	6111845497.3410301000
1996-01-01	6636586020.1863298000
1997-01-01	6484654494.6156702000
1998-01-01	6418294275.8583431000
1999-01-01	6923651956.4584503000
2000-01-01	4797304349.1844501000
2001-01-01	4811181647.5067997000
2002-01-01	7236086689.7002687000
2003-01-01	9274302751.3913479000
2004-01-01	10449576984.5357000000
2005-01-01	10107338430.2744010000
2006-01-01	7854623622.0076103000
2007-01-01	6374039270.5340796000
2008-01-01	8184029990.5277300000
2009-01-01	5868597189.7376404000
2010-01-01	8350230487.2607698000
2011-01-01	7627778179.2696304000