Quarter	Dollars
1975-01-01	-188720881.374625410
1975-04-01	-139073264.673879740
1975-07-01	-240580168.224428710
1975-10-01	420857509.871496320
1976-01-01	269630404.067536650
1976-04-01	698960051.453046800
1976-07-01	207211456.160095510
1976-10-01	394786183.701324160
1977-01-01	396266215.513151530
1977-04-01	945915977.368614670
1977-07-01	372959077.029451790
1977-10-01	392400734.712454560
1978-01-01	283838651.503393710
1978-04-01	110694068.071018930
1978-07-01	432143597.124262810
1978-10-01	-143515349.283157290
1979-01-01	-43826556.629137509
1979-04-01	204865503.099986230
1979-07-01	-169039035.238252310
1979-10-01	55545077.284709036
1980-01-01	-399723861.615409730
1980-04-01	-711179280.788244490
1980-07-01	-248226062.233948470
1980-10-01	-425996526.789650500
1981-01-01	-701562700.979189520
1981-04-01	-479451329.748660390
1981-07-01	-448115498.193075240
1981-10-01	-1069202738.144768100
1982-01-01	-582365349.705439330
1982-04-01	-683787423.148439880
1982-07-01	-483812900.530493500
1982-10-01	-773578172.171424870
1983-01-01	-448328578.764179470
1983-04-01	-242903054.159037500
1983-07-01	-401076960.139734390
1983-10-01	-860802391.194649460
1984-01-01	-671466699.832860350
1984-04-01	-143000364.573034470
1984-07-01	-652800967.259278060
1984-10-01	-875284441.446212050
1985-01-01	-726222314.561998130
1985-04-01	-1654868908.951263000
1985-07-01	-800525660.578255890
1985-10-01	-995589127.198544500
1986-01-01	-1396404689.065165000
1986-04-01	-1430998159.989094500
1986-07-01	-904756862.641290900
1986-10-01	-865557174.629956600
1987-01-01	-1393699577.410679300
1987-04-01	-1069919674.525349700
1987-07-01	-1234852355.165015000
1987-10-01	-1493423245.557807200
1988-01-01	-1069178103.197117100
1988-04-01	-1811745023.084942600
1988-07-01	-1746694996.380956600
1988-10-01	-2544876119.836464900
1989-01-01	-1129201204.083413400
1989-04-01	-2328765989.154281100
1989-07-01	-2182967239.867422600
1989-10-01	-1184672698.243745800
1990-01-01	-277702742.380644980
1990-04-01	-1683669350.963849300
1990-07-01	-2257056416.179869700
1990-10-01	-2818215325.642254800
1991-01-01	-2866021585.411238700
1991-04-01	-1435540499.722304100
1991-07-01	-1654812284.039291400
1991-10-01	1664640037.097625700
1992-01-01	256196858.800376450
1992-04-01	-1952414059.482425500
1992-07-01	-1699266125.917342700
1992-10-01	-1089740299.733113500
1993-01-01	-171551518.049246850
1993-04-01	-892289728.570882440
1993-07-01	-657227918.596562740
1993-10-01	-154733115.128684880
1994-01-01	544581645.328932050
1994-04-01	-352626154.222141090
1994-07-01	-1050059275.226080700
1994-10-01	-818177733.767381430
1995-01-01	-1148600729.124021800
1995-04-01	-1351195324.906197100
1995-07-01	-2105401093.430636600
1995-10-01	-958030431.001954200
1996-01-01	-1482637362.472767400
1996-04-01	-2213322627.464355000
1996-07-01	-1008467529.013768600
1996-10-01	-1251712062.855617500
1997-01-01	-22799442.667901739
1997-04-01	-1361446014.133344700
1997-07-01	178733134.876666870
1997-10-01	-1759682985.317503500
1998-01-01	-2559363828.765086200
1998-04-01	-2133471951.052853300
1998-07-01	-1005496227.530594100
1998-10-01	-1204773366.148053200
1999-01-01	306640538.694387500
1999-04-01	-1567234597.450040800
1999-07-01	-998100632.257813570
1999-10-01	-969328125.384821770
2000-01-01	-1162180770.435040000
2000-04-01	-2563257556.288610000
2000-07-01	-1631136415.571559900
2000-10-01	755326045.859616040
2001-01-01	772769697.805757050
2001-04-01	1126797359.051280000
2001-07-01	-964808721.667924050
2001-10-01	475423231.236880000
2002-01-01	2762771868.599569800
2002-04-01	1128671783.157710100
2002-07-01	1814881659.221620100
2002-10-01	1353170726.454839900
2003-01-01	2047033841.892560000
2003-04-01	-422019949.827905000
2003-07-01	3185431271.179230200
2003-10-01	3962065100.331870100
2004-01-01	7356789250.353560400
2004-04-01	3607429576.497479900
2004-07-01	-4429886133.208560000
2004-10-01	-5754136972.124110200
2005-01-01	4106774614.718239800
2005-04-01	-4793305288.360369700
2005-07-01	-4683938124.258000400
2005-10-01	-4913074510.080400500
2006-01-01	4488956653.146340400
2006-04-01	-4437569870.796299900
2006-07-01	-5746981014.482660300
2006-10-01	-3603466085.330050000
2007-01-01	4223011723.796539800
2007-04-01	-4531410666.821869900
2007-07-01	-4257121729.696179900
2007-10-01	-3510173810.873380200
2008-01-01	-3437650675.024189900
2008-04-01	-3400241342.555550100
2008-07-01	-12264378641.818600000
2008-10-01	-11869716521.535900000