Quarterly US Dollars, sum over component sub-periods
1999-01-01 188304281046.51900
1999-04-01 186263214370.92000
1999-07-01 194345940589.76700
1999-10-01 212260770963.82602
2000-01-01 212610740592.90800
2000-04-01 213630371149.19998
2000-07-01 212863901067.07400
2000-10-01 228810442977.30400
2001-01-01 223536495009.37300
2001-04-01 210829446550.25100
2001-07-01 199643524324.94300
2001-10-01 200794677165.23400
2002-01-01 192238852392.84702
2002-04-01 209735570899.35400
2002-07-01 212987792913.66500
2002-10-01 229787257774.42900
2003-01-01 243894252619.24100
2003-04-01 248349282326.42100
2003-07-01 241902343271.94200
2003-10-01 272993803187.00098
2004-01-01 274277122502.01000
2004-04-01 290118552693.63000
2004-07-01 299375952305.05000
2004-10-01 333472953220.52500
2005-01-01 321349282047.59000
2005-04-01 343693552383.20496
2005-07-01 347287025811.85803
2005-10-01 366571863284.30700
2006-01-01 384329286889.57600
2006-04-01 411996485728.56300
2006-07-01 415173325216.72400
2006-10-01 437613347983.66600
2007-01-01 442837324083.03900
2007-04-01 452908473325.17303
2007-07-01 481590847511.75300
2007-10-01 527308138498.08200
2008-01-01 563853069097.94700
2008-04-01 609346833866.17810
2008-07-01 612063059414.36100
2008-10-01 482921657398.51600
2009-01-01 391932368578.23800
2009-04-01 386570855123.56400
2009-07-01 426031111998.97500
2009-10-01 457828079221.50995
2010-01-01 447419232403.90200
2010-04-01 463477681299.73100
2010-07-01 490904045427.84400
2010-10-01 532957423952.50300
2011-01-01 558838380123.69300
2011-04-01 594441967039.47190
2011-07-01 591342741295.81100
2011-10-01 563356091116.67800
2012-01-01 568470783071.25600
2012-04-01 546411419756.91000
2012-07-01 533639563828.59406
2012-10-01 551763399170.59900
2013-01-01 539084308380.57200
2013-04-01 533455268105.11005
2013-07-01 549727130910.17790
2013-10-01 563521350271.30910
2014-01-01 555415074965.20700
2014-04-01 560144664921.89100
2014-07-01 556134185163.85190
2014-10-01 522064844958.18100
2015-01-01 478061997201.84600
2015-04-01 478221307176.53296
2015-07-01 471820618249.85400
2015-10-01 462173200659.32697
2016-01-01 439525407040.36200
2016-04-01 457891903275.66797
2016-07-01 459476533269.30500
2016-10-01 463925896846.82500
2017-01-01 492820158338.92100
2017-04-01 489121509423.60706
2017-07-01 513492575156.55700
2017-10-01 536178382050.26196
2018-01-01 563087945567.38600
2018-04-01 556153765127.46100