Year	Dollars
1960-01-01	585760093.79190636
1961-01-01	323680051.82764995
1962-01-01	474880076.03779781
1963-01-01	423360067.78841400
1964-01-01	571200091.46055865
1965-01-01	741440118.71939194
1966-01-01	529760084.82518470
1967-01-01	949760152.07559550
1968-01-01	1253280200.67522600
1969-01-01	656320105.08997536
1970-01-01	1132320181.30710770
1971-01-01	1947242884.18626830
1972-01-01	1723776547.50950170
1973-01-01	-476927177.23572338
1974-01-01	841316810.45726264
1975-01-01	751513020.97055125
1976-01-01	1860047248.79625750
1977-01-01	2265846665.25002430
1978-01-01	3735812438.35934640
1979-01-01	2127176374.56636690
1980-01-01	4183454901.41871740
1981-01-01	7694751520.84633730
1982-01-01	12655884172.46199000
1983-01-01	7815983482.07482530
1984-01-01	6072468971.78553580
1985-01-01	7534631291.15311720
1986-01-01	11441367261.77226600
1987-01-01	9184850842.23023410
1988-01-01	15313836958.14689300
1989-01-01	17100959386.05347100
1990-01-01	16235214473.27944800
1991-01-01	9921960623.56313510
1992-01-01	5022749816.00362590
1993-01-01	10202652063.09657300
1994-01-01	15897178707.90489600
1995-01-01	18631838122.33193200
1996-01-01	16069520486.45907200
1997-01-01	16820359929.57692000
1998-01-01	15204032067.84553100
1999-01-01	27613196806.00355100
2000-01-01	12953492992.97760000
2001-01-01	8155231644.72740550
2002-01-01	16248634327.68079800
2003-01-01	34694102351.01974500
2004-01-01	39373461240.30740400
2005-01-01	47616865064.27369700
2006-01-01	49901275506.73065200
2007-01-01	20247713994.58440000
2008-01-01	49113888770.47020000