Quarter	US Dollars, Monthly Level, Seasonally Adjusted
1988-01-01	-164840024.15447500
1988-04-01	-231369235.72438800
1988-07-01	-207734601.38830600
1988-10-01	-167998344.47320100
1989-01-01	-185891288.17364300
1989-04-01	-150217807.17726500
1989-07-01	-199344459.90798600
1989-10-01	-254355434.23944100
1990-01-01	-257602264.36969402
1990-04-01	-296038092.85373800
1990-07-01	-374535567.35518900
1990-10-01	-364329217.45174000
1991-01-01	-414684017.81610096
1991-04-01	-402329076.93558000
1991-07-01	-448676718.31711400
1991-10-01	-460555376.47887504
1992-01-01	-439165421.57738900
1992-04-01	-401517552.97592103
1992-07-01	-424721695.17162700
1992-10-01	-471120157.74014497
1993-01-01	-494296051.17324800
1993-04-01	-377585170.34068100
1993-07-01	-336478179.97691995
1993-10-01	-613888480.92299800
1994-01-01	-403969990.21257204
1994-04-01	-463299928.30647400
1994-07-01	-506159689.20509404
1994-10-01	-495320401.53973800
1995-01-01	-501826521.41862607
1995-04-01	-549025660.18731400
1995-07-01	-597419300.78607500
1995-10-01	-528203745.48197400
1996-01-01	-530851205.96805900
1996-04-01	-503306814.91421500
1996-07-01	-427073007.97522503
1996-10-01	-600731656.28639010
1997-01-01	-515172893.61727005
1997-04-01	-520042141.36219996
1997-07-01	-708115234.75933710
1997-10-01	-656612650.72050400
1998-01-01	-446516584.52111400
1998-04-01	-479409375.86105700
1998-07-01	-535872542.88540000
1998-10-01	-744904344.71661010
1999-01-01	-808876733.70018900
1999-04-01	-589349591.02930590
1999-07-01	-682682764.33180600
1999-10-01	-864869162.01450410
2000-01-01	-638167694.21451200
2000-04-01	-639148583.72467100
2000-07-01	-773010820.45266900
2000-10-01	-845054994.21308710
2001-01-01	-632568550.66304700
2001-04-01	-744047594.07890800
2001-07-01	-700222713.69249000
2001-10-01	-520113411.08403695
2002-01-01	-526854231.17589104
2002-04-01	-407205322.92522800
2002-07-01	-715043010.74333800
2002-10-01	-817181435.69380800
2003-01-01	-707344689.96409200
2003-04-01	-1010943473.14657010
2003-07-01	-681810458.31719500
2003-10-01	-478102730.21442700
2004-01-01	-973491674.35741600
2004-04-01	-1056277782.89048990
2004-07-01	-952832394.12138900
2004-10-01	-811051380.99286900
2005-01-01	-1049808598.96330990
2005-04-01	-851130958.18077400
2005-07-01	-814260747.44038400
2005-10-01	-603837762.91594800
2006-01-01	-978677526.28648790
2006-04-01	-1059177027.73884000
2006-07-01	-996694137.20620500
2006-10-01	-1143241917.76560000
2007-01-01	-1276239640.49344000
2007-04-01	-1152742095.37443020
2007-07-01	-1455443226.42809000
2007-10-01	-1215335942.03789000
2008-01-01	-1511092030.09575000
2008-04-01	-1665934955.18440000
2008-07-01	-1909175556.21630000
2008-10-01	-1433282162.60870000
2009-01-01	-1103168079.10440020
2009-04-01	-1235581896.79525020
2009-07-01	-586759816.96606910
2009-10-01	-1137931403.46885000
2010-01-01	-1381277613.59256000
2010-04-01	-1699543157.95842980
2010-07-01	-1298805560.99471000
2010-10-01	-1637878538.60047980
2011-01-01	-1486857721.88245990
2011-04-01	-1836687124.20948000
2011-07-01	-2484068581.11729000
2011-10-01	-2241144820.22508000
2012-01-01	-1737881702.41192000
2012-04-01	-2071513176.64258980
2012-07-01	-2475416413.21651000
2012-10-01	-2141505690.72500000
2013-01-01	-2219917877.16341970
2013-04-01	-2076555674.56138000
2013-07-01	-2219510391.03981000
2013-10-01	-1602575264.34300000
2014-01-01	-1890868383.32056000
2014-04-01	-1740948833.18927000
2014-07-01	-1996320915.14585020
2014-10-01	-1879207587.31896000
2015-01-01	-1758952441.09850000
2015-04-01	-1519930800.67394000
2015-07-01	-1763040947.41897000
2015-10-01	-1114626995.39295980
2016-01-01	-1244529680.87099000
2016-04-01	-1371773317.24586990
2016-07-01	-1477526298.89630000
2016-10-01	-1853639079.75676000
2017-01-01	-1600253651.44517000
2017-04-01	-1832228398.85438000
2017-07-01	-1636535200.85714000
2017-10-01	-1826211984.37443000
2018-01-01	-1959936912.30507020
2018-04-01	-1787049326.43470000