Quarter	US Dollars, sum over component sub-periods
1993-01-01	467940116.95371600
1993-04-01	288603084.50676304
1993-07-01	587184060.49455700
1993-10-01	1524141732.59456000
1994-01-01	578075170.65439300
1994-04-01	254944981.95390500
1994-07-01	12867483.66939750
1994-10-01	1466688744.56035000
1995-01-01	893419387.55370500
1995-04-01	1247970378.49252000
1995-07-01	1643926154.08655000
1995-10-01	1914804653.55823000
1996-01-01	1476761014.56753020
1996-04-01	1507114054.27345000
1996-07-01	1397456352.94161000
1996-10-01	1805048444.74232000
1997-01-01	1006720214.31744990
1997-04-01	1608975175.15033000
1997-07-01	661442329.89531990
1997-10-01	1536159754.05161000
1998-01-01	2130565338.13991020
1998-04-01	815151108.77901300
1998-07-01	1362819233.86811000
1998-10-01	1588506731.77880000
1999-01-01	1632121524.84052000
1999-04-01	1142346974.90170000
1999-07-01	1183945992.21292000
1999-10-01	2635188770.37661030
2000-01-01	975417205.88480500
2000-04-01	1639896132.40871000
2000-07-01	885609777.93268110
2000-10-01	832099629.03788900
2001-01-01	1245576930.27292000
2001-04-01	1876065982.95645000
2001-07-01	500095407.23295600
2001-10-01	645775390.72083900
2002-01-01	1342119514.02710000
2002-04-01	1916476723.07176000
2002-07-01	1784410539.94829000
2002-10-01	1629760723.24340000
2003-01-01	1842166471.35890000
2003-04-01	2408090070.86599000
2003-07-01	1601809942.52166000
2003-10-01	3631581713.82386970
2004-01-01	1203894288.43738000
2004-04-01	3221623132.89170030
2004-07-01	2387888702.32141000
2004-10-01	2801955178.22644000
2005-01-01	1276386937.19918010
2005-04-01	3036786931.96837000
2005-07-01	1808519826.94936010
2005-10-01	2923445383.58755000
2006-01-01	943071755.91028300
2006-04-01	1156334241.74645000
2006-07-01	1502688475.40424010
2006-10-01	3522727831.90550000
2007-01-01	1751650051.05736020
2007-04-01	579673840.49936090
2007-07-01	496330063.04604300
2007-10-01	3085072398.47224000
2008-01-01	3077318094.20649000
2008-04-01	1907272930.40802000
2008-07-01	1306072816.10461000
2008-10-01	686893220.05346690
2009-01-01	1091588652.39838000
2009-04-01	1397230272.35966000
2009-07-01	768137546.83271400
2009-10-01	1373314566.86482000
2010-01-01	2175283919.62282000
2010-04-01	1745923214.23169020
2010-07-01	1279420403.36793000
2010-10-01	1300312952.66367000
2011-01-01	1789698168.22450000
2011-04-01	1443615065.88990000
2011-07-01	1361133469.10537000
2011-10-01	1049568242.72895000
2012-01-01	444568289.40359200
2012-04-01	1858129622.97580000
2012-07-01	1555425438.08923000
2012-10-01	2786384290.64091000
2013-01-01	762667934.49860800
2013-04-01	1883266215.54561000
2013-07-01	1451768553.69995000
2013-10-01	4708092270.56431000
2014-01-01	1088170976.55760000
2014-04-01	1679790737.75743990
2014-07-01	842396564.51218400
2014-10-01	2989251138.89806030
2015-01-01	731724215.49697800
2015-04-01	1701101420.05277000
2015-07-01	1690891784.49099000
2015-10-01	3676758987.35555000
2016-01-01	689935866.29936000
2016-04-01	697856363.23505600
2016-07-01	403945714.22132903
2016-10-01	1008548612.83051000
2017-01-01	435812853.53647304
2017-04-01	621373976.80235490
2017-07-01	647144320.13225600
2017-10-01	1365920370.02665000
2018-01-01	921658213.19756700
2018-04-01	947009875.02705410