Quarterly US Dollars, sum over component sub-periods
1991-01-01 -3019289403.54085970
1991-04-01 -6526076607.32139000
1991-07-01 -7209447714.80455000
1991-10-01 3549898168.37059000
1992-01-01 -3046007653.19775000
1992-04-01 -2419496072.60113000
1992-07-01 -3583128637.76033000
1992-10-01 -3445599539.67605000
1993-01-01 -18826548572.76840000
1993-04-01 -6160846369.19844000
1993-07-01 -5086704725.09786000
1993-10-01 2462948695.54882000
1994-01-01 -17565263629.50930000
1994-04-01 -10400780119.55150000
1994-07-01 -7587271551.72414000
1994-10-01 -1838500472.92045000
1995-01-01 -12484921167.75170000
1995-04-01 -1066026808.48016010
1995-07-01 -16631018597.56100000
1995-10-01 -7002800894.29943000
1996-01-01 -8097682260.81035000
1996-04-01 -10262999132.66310100
1996-07-01 -12486827236.51420000
1996-10-01 9869242136.55668000
1997-01-01 -13961901523.77119800
1997-04-01 -6422009077.11167050
1997-07-01 8661810994.35903000
1997-10-01 3403798691.04982000
1998-01-01 -3426466193.09435000
1998-04-01 -261916204.79464802
1998-07-01 -22898441869.43450000
1998-10-01 9750827378.55509000
1999-01-01 29939439690.88459800
1999-04-01 -11868361586.60590200
1999-07-01 -8316984645.03157000
1999-10-01 -3030622768.60957000
2000-01-01 -14187976382.35880000
2000-04-01 -37344992277.27340000
2000-07-01 14144453310.41050000
2000-10-01 -3324051078.17330030
2001-01-01 -10957386388.08980000
2001-04-01 -17694613951.96460000
2001-07-01 2983635165.79092000
2001-10-01 26625471622.68850000
2002-01-01 -5463154024.43953000
2002-04-01 -10360377525.01270000
2002-07-01 5236172714.52302000
2002-10-01 20222439225.85570000
2003-01-01 9706800252.92961000
2003-04-01 28991359848.44939800
2003-07-01 -11414162204.61670000
2003-10-01 27527199006.42250000
2004-01-01 4960594534.28821000
2004-04-01 75830476113.78500000
2004-07-01 28676672618.66170000
2004-10-01 29140074773.09470000
2005-01-01 30033096331.34580200
2005-04-01 50225913662.62980000
2005-07-01 5991407896.02307000
2005-10-01 34129857090.08480000
2006-01-01 47506036806.33269500
2006-04-01 83520011265.27310000
2006-07-01 26263272878.86330000
2006-10-01 39460743256.55540000
2007-01-01 48376221507.38280000
2007-04-01 74248130495.77510000
2007-07-01 25063980746.06469700
2007-10-01 105731473722.18300000
2008-01-01 80287438826.88980000
2008-04-01 60098623034.00330000
2008-07-01 6819769423.24200000
2008-10-01 32473106818.01530000
2009-01-01 4484750995.01458100
2009-04-01 68179662364.21689600
2009-07-01 20460781135.74510000
2009-10-01 91372672531.06920000
2010-01-01 22793433030.55160000
2010-04-01 23112516261.76140200
2010-07-01 20386724104.17080000
2010-10-01 57443157066.47110000
2011-01-01 78065841107.16770000
2011-04-01 59476077136.35940600
2011-07-01 -297924441.88924500
2011-10-01 30514276715.43680200
2012-01-01 21635656750.97480000
2012-04-01 36254686473.96270000
2012-07-01 53591476457.80180000
2012-10-01 82827122409.40541000
2013-01-01 45236236675.45980000
2013-04-01 77852553658.03690000
2013-07-01 75815168740.48360000
2013-10-01 101035469570.39300000
2014-01-01 84041335799.07460000
2014-04-01 75395864599.27959000
2014-07-01 65729448921.25329600
2014-10-01 92630574661.30020000
2015-01-01 35030452519.74609000
2015-04-01 78236286701.84200000
2015-07-01 76555931523.46300000
2015-10-01 75177684282.83139000
2016-01-01 44765375529.52250000
2016-04-01 70712723822.23700000
2016-07-01 66459112838.65719600
2016-10-01 102252390717.71100000
2017-01-01 71729041683.76820000
2017-04-01 79251026800.62750000
2017-07-01 64572318650.72839000
2017-10-01 100807278343.08800000
2018-01-01 85220205025.09980000
2018-04-01 83922943038.24660000
