Month	US Dollars, monthly level
1999-01-01	313412957270.28400
1999-02-01	323974971612.75100
1999-03-01	375028576007.85803
1999-04-01	339232508524.35400
1999-05-01	330705813632.78503
1999-06-01	358724064873.64200
1999-07-01	342831315072.73500
1999-08-01	320329020888.47100
1999-09-01	372039649077.99200
1999-10-01	386691295640.24700
1999-11-01	384924171213.07196
1999-12-01	378677727434.83405
2000-01-01	341994061371.11600
2000-02-01	370898250966.89703
2000-03-01	418120494770.76196
2000-04-01	361831077905.73700
2000-05-01	386474196752.24100
2000-06-01	399841342165.68600
2000-07-01	371992568732.93000
2000-08-01	361533840888.20900
2000-09-01	388582292983.98000
2000-10-01	403723453686.64200
2000-11-01	400339171825.31900
2000-12-01	384294894452.18800
2001-01-01	376694355933.66595
2001-02-01	377220987440.11900
2001-03-01	418532326005.77203
2001-04-01	366549038499.92300
2001-05-01	379321720392.71800
2001-06-01	374121016108.89700
2001-07-01	352330601623.80700
2001-08-01	342871753151.40000
2001-09-01	359090248893.34595
2001-10-01	392410695095.00397
2001-11-01	368830646612.97100
2001-12-01	335670911668.09400
2002-01-01	335965708757.71906
2002-02-01	340205043920.54500
2002-03-01	380487123607.49100
2002-04-01	376438956708.22003
2002-05-01	384856748994.18396
2002-06-01	392147529866.38600
2002-07-01	401579148162.91600
2002-08-01	359973839818.46500
2002-09-01	400176188479.39600
2002-10-01	429577853787.33000
2002-11-01	415928926187.02100
2002-12-01	389898925975.62300
2003-01-01	399641228507.90400
2003-02-01	406574477789.40600
2003-03-01	446520342347.95500
2003-04-01	427286616457.20703
2003-05-01	437190508734.97900
2003-06-01	440795905032.29800
2003-07-01	443901753378.35300
2003-08-01	382877052653.93800
2003-09-01	459510357558.84100
2003-10-01	503340209312.19500
2003-11-01	469376387154.37900
2003-12-01	484009226070.03900
2004-01-01	460166345861.23700
2004-02-01	489407227893.49800
2004-03-01	556032781755.04100
2004-04-01	511965219325.27000
2004-05-01	501666197426.22500
2004-06-01	540249198743.58500
2004-07-01	520558599066.47595
2004-08-01	469812602547.83300
2004-09-01	540561687519.53310
2004-10-01	561265059932.77600
2004-11-01	580098019990.77400
2004-12-01	566679380816.31410
2005-01-01	517717418970.19300
2005-02-01	535441808692.75793
2005-03-01	611630446211.51310
2005-04-01	587336368682.12400
2005-05-01	567118924176.15400
2005-06-01	586979981494.13800
2005-07-01	544114340942.25397
2005-08-01	537025024283.79500
2005-09-01	603841482920.62900
2005-10-01	597682559301.18300
2005-11-01	603953681386.37790
2005-12-01	586947691035.56500
2006-01-01	567247650330.08200
2006-02-01	581269867181.75790
2006-03-01	681151419193.82300
2006-04-01	607921397822.36000
2006-05-01	672636196120.77200
2006-06-01	680800886915.64600
2006-07-01	625325246514.58400
2006-08-01	617346214228.36700
2006-09-01	675992627281.18000
2006-10-01	694533889272.44200
2006-11-01	710705509923.74110
2006-12-01	666968098658.59800
2007-01-01	656666351240.97500
2007-02-01	661986308025.39200
2007-03-01	765700449023.39310
2007-04-01	701414250422.62700
2007-05-01	736390131541.54200
2007-06-01	752817413315.92300
2007-07-01	739734413499.42910
2007-08-01	704111876331.91910
2007-09-01	754276420367.14310
2007-10-01	841824187272.32010
2007-11-01	848050992976.41500
2007-12-01	745749319421.11800
2008-01-01	799007945887.30700
2008-02-01	831073114571.95790
2008-03-01	881309320730.56600
2008-04-01	921592684535.57600
2008-05-01	879038530024.58010
2008-06-01	910309939243.63100
2008-07-01	938428987733.23400
2008-08-01	783094762623.35200
2008-09-01	856782237829.42100
2008-10-01	818335393104.19000
2008-11-01	678865181496.87600
2008-12-01	632379269794.37600
2009-01-01	556760696057.25290
2009-02-01	565788020956.06200
2009-03-01	628545340907.53900
2009-04-01	592527753206.53600
2009-05-01	591988722530.76200
2009-06-01	653787336694.18700
2009-07-01	672451912263.13100
2009-08-01	591509242609.03800
2009-09-01	712198939837.40810
2009-10-01	748917608824.23610
2009-11-01	729572644236.00000
2009-12-01	709893999048.45300
2010-01-01	653643955805.14000
2010-02-01	680888332702.14100
2010-03-01	800169726233.94400
2010-04-01	739896056352.31400
2010-05-01	710233126916.42900
2010-06-01	759851938460.92000
2010-07-01	755651557025.29300
2010-08-01	699476652005.35300
2010-09-01	792953771852.99700
2010-10-01	844377863190.57400
2010-11-01	836949436414.20690
2010-12-01	813913240890.89900
2011-01-01	776626494126.96000
2011-02-01	813603105004.35900
2011-03-01	961952552329.07200
2011-04-01	880585233940.72800
2011-05-01	915759483619.52000
2011-06-01	910201875089.92200
2011-07-01	889577027036.64900
2011-08-01	865292975632.79400
2011-09-01	918028159473.62600
2011-10-01	897761917869.99400
2011-11-01	901479678625.63600
2011-12-01	853601162303.22700
2012-01-01	803806277751.69800
2012-02-01	869404958503.48200
2012-03-01	952878362542.89500
2012-04-01	855667938831.60300
2012-05-01	885386451765.37210
2012-06-01	874480468930.21100
2012-07-01	842290517644.41500
2012-08-01	813423148012.78400
2012-09-01	857230095708.96500
2012-10-01	925056177899.06400
2012-11-01	889837626658.07800
2012-12-01	817580462302.51710
2013-01-01	840940774389.08800
2013-02-01	836606425695.01390
2013-03-01	901268020325.98510
2013-04-01	879493972670.22510
2013-05-01	876674023057.54100
2013-06-01	879209474506.58190
2013-07-01	883306274050.60000
2013-08-01	821144661403.27300
2013-09-01	883523076219.17490
2013-10-01	964464734643.51800
2013-11-01	908755912675.69410
2013-12-01	861996435971.03390
2014-01-01	858057730923.48600
2014-02-01	867490154090.58200
2014-03-01	951972377084.25200
2014-04-01	915968447928.52800
2014-05-01	913728035360.40390
2014-06-01	911311750431.93000
2014-07-01	932979225105.07800
2014-08-01	811616612825.81200
2014-09-01	912341551047.78990
2014-10-01	945867263326.08900
2014-11-01	857408105740.79400
2014-12-01	838708185040.02390
2015-01-01	761924661412.11900
2015-02-01	767342478474.22110
2015-03-01	842244093950.51000
2015-04-01	796276862254.60300
2015-05-01	779354583571.07910
2015-06-01	845884299193.47400
2015-07-01	814881554376.04600
2015-08-01	709095904321.52700
2015-09-01	812297541383.50800
2015-10-01	836133628774.32590
2015-11-01	778137115160.03600
2015-12-01	756290519340.96600
2016-01-01	684169884566.50000
2016-02-01	747640737926.75400
2016-03-01	819686554489.98400
2016-04-01	797286817173.48610
2016-05-01	775519674894.72700
2016-06-01	829533180974.24600
2016-07-01	756546525231.34300
2016-08-01	748295900855.29300
2016-09-01	819919561527.01100
2016-10-01	805330000621.57200
2016-11-01	825838086116.45100
2016-12-01	792936082465.54700
2017-01-01	754291299568.03100
2017-02-01	781508865631.44600
2017-03-01	908414550153.74100
2017-04-01	788920975937.78900
2017-05-01	864241090254.44600
2017-06-01	880963029551.19200
2017-07-01	834636038541.23190
2017-08-01	835836304002.46610
2017-09-01	907818473432.57090
2017-10-01	913366320803.34900
2017-11-01	942539743703.70000
2017-12-01	881394467316.54200
2018-01-01	899040742277.52400
2018-02-01	893248353242.49000
2018-03-01	1006797543225.85000
2018-04-01	932619570625.71300
2018-05-01	939261395968.35190
2018-06-01	961948589394.26400
2018-07-01	921424468351.05800
2018-08-01	876778778356.15000