Quarterly US Dollars, sum over component sub-periods
1982-01-01 269171385.74425596
1982-04-01 867939065.59555290
1982-07-01 700469214.78675900
1982-10-01 1223370734.08033010
1983-01-01 1225780656.85442000
1983-04-01 1052843446.42835010
1983-07-01 439212929.97533000
1983-10-01 1392970810.11942000
1984-01-01 1086709866.35263000
1984-04-01 254276904.07263100
1984-07-01 756655225.15605900
1984-10-01 244791802.90085799
1985-01-01 1260168337.56204000
1985-04-01 1663187783.37817000
1985-07-01 -338521680.24112700
1985-10-01 719152999.00708000
1986-01-01 1945316761.36981990
1986-04-01 659126665.42059200
1986-07-01 889090787.89097390
1986-10-01 1412730762.28470000
1987-01-01 2595065810.20280030
1987-04-01 2347968943.24810000
1987-07-01 1613324981.84541000
1987-10-01 1369392496.43130020
1988-01-01 2407711965.05978000
1988-04-01 2108804252.10925980
1988-07-01 2068706949.19999000
1988-10-01 3739998499.73886000
1989-01-01 3095462612.10444970
1989-04-01 5572294178.88915100
1989-07-01 8557031769.29568000
1989-10-01 3588880171.91387000
1990-01-01 10254469478.11660000
1990-04-01 11119980035.09650000
1990-07-01 7115055871.59732100
1990-10-01 6943526463.50272900
1991-01-01 7960266988.71697000
1991-04-01 183165206.63917300
1991-07-01 -2773695817.68572000
1991-10-01 2222765523.40896000
1992-01-01 4612996719.56518000
1992-04-01 3179663070.59632970
1992-07-01 -507466653.35231700
1992-10-01 4441228197.87260000
1993-01-01 5593336337.86295000
1993-04-01 575367364.27371300
1993-07-01 3462750300.60540960
1993-10-01 -1055939231.72733000
1994-01-01 -2808828439.10114960
1994-04-01 336998728.14104600
1994-07-01 -4521519180.34533000
1994-10-01 6321524298.81946900
1995-01-01 3454407522.72397000
1995-04-01 8340618277.39990000
1995-07-01 10203786046.44440000
1995-10-01 12489211661.13560000
1996-01-01 13624306998.38990000
1996-04-01 4194793955.05933000
1996-07-01 7186983104.66064900
1996-10-01 -1937633217.50334980
1997-01-01 5427732526.21756000
1997-04-01 3767343935.26619000
1997-07-01 6431104982.81436000
1997-10-01 5952464173.38515000
1998-01-01 7400716861.81748000
1998-04-01 20002772337.78360000
1998-07-01 13895213613.95530100
1998-10-01 14359614155.00960000
1999-01-01 11825984427.46270000
1999-04-01 40706011431.15780000
1999-07-01 15194811030.12860000
1999-10-01 6286443236.64122000
2000-01-01 31516158401.39430000
2000-04-01 13499693538.03600000
2000-07-01 11962708619.50630000
2000-10-01 11929357122.53609800
2001-01-01 20488215935.45960200
2001-04-01 6695482606.03821000
2001-07-01 8316303732.96612900
2001-10-01 1015018505.35125000
2002-01-01 13074294449.12390000
2002-04-01 4392125510.09494000
2002-07-01 -3695716783.74654000
2002-10-01 12189320048.50409900
2003-01-01 20152840054.85380000
2003-04-01 14071926575.14880000
2003-07-01 -6110564250.29796000
2003-10-01 17197829878.77370000
2004-01-01 26670791898.02440000
2004-04-01 9652666255.13688000
2004-07-01 19291037831.44970000
2004-10-01 14687322249.03980000
2005-01-01 34374771895.06510000
2005-04-01 2635302713.85724000
2005-07-01 19275730180.99740200
2005-10-01 9830230129.81879000
2006-01-01 56583099747.25890000
2006-04-01 -6515345982.11460000
2006-07-01 22269156270.79460000
2006-10-01 34882001604.34880000
2007-01-01 73982217082.49110000
2007-04-01 10236399690.54190000
2007-07-01 36739282084.13020000
2007-10-01 31721897812.05990000
2008-01-01 39993447066.44810000
2008-04-01 -4919845435.24011000
2008-07-01 35076291943.96570000
2008-10-01 -11784474705.76540000
2009-01-01 8573002925.46879100
2009-04-01 22009291156.59180000
2009-07-01 12879267083.74390000
2009-10-01 198105165.91114601
2010-01-01 39292580111.64010000
2010-04-01 17064004119.82960000
2010-07-01 10832868644.46600000
2010-10-01 -2785770234.19935000
2011-01-01 47884319387.44100000
2011-04-01 10388040227.19460100
2011-07-01 36165014773.99720000
2011-10-01 3983311841.39700030
2012-01-01 36159912540.10969500
2012-04-01 16615212134.23359900
2012-07-01 27520824319.90150000
2012-10-01 -25888221969.89990000
2013-01-01 40746664940.12200000
2013-04-01 9814861397.43238000
2013-07-01 44313723171.04830000
2013-10-01 -5350884889.91230000
2014-01-01 47919969608.32450000
2014-04-01 790768327.34567090
2014-07-01 -9843037325.91585000
2014-10-01 -12852104367.72280100
2015-01-01 32137379094.68840000
2015-04-01 -1678011337.02714000
2015-07-01 15934936901.84710100
2015-10-01 -42689029309.11909500
2016-01-01 36859752399.22380000
2016-04-01 -693841435.00500500
2016-07-01 -537915591.59349910
2016-10-01 -25820483958.19450000
2017-01-01 57422072759.30730400
2017-04-01 -349641947.46738100
2017-07-01 15282579171.42159800
2017-10-01 1035968675.73587000
2018-01-01 23770950862.88920000
2018-04-01 10003332481.22150000