Month	US Dollars, monthly level
1999-01-01	139574408.43150200
1999-02-01	145901624.93358698
1999-03-01	172887389.40500600
1999-04-01	155688953.94900400
1999-05-01	166278922.70751700
1999-06-01	156217907.52808902
1999-07-01	155604096.27689400
1999-08-01	162148636.18347200
1999-09-01	176184026.75908600
1999-10-01	171918547.90083200
1999-11-01	165237566.94906700
1999-12-01	173832481.56261200
2000-01-01	161898074.02121200
2000-02-01	190254012.01224098
2000-03-01	206360234.93270800
2000-04-01	194713201.99808600
2000-05-01	199319823.06243402
2000-06-01	208151600.71188700
2000-07-01	186056886.67318300
2000-08-01	200488931.65597600
2000-09-01	187755566.98411900
2000-10-01	212425621.35292100
2000-11-01	194622646.11765400
2000-12-01	200622724.99066800
2001-01-01	189894435.77161900
2001-02-01	196512186.40130700
2001-03-01	218725219.19009500
2001-04-01	207159845.64465200
2001-05-01	239930401.93052100
2001-06-01	222499607.51036200
2001-07-01	195883243.19127800
2001-08-01	214422366.89755902
2001-09-01	193327595.54505700
2001-10-01	227371149.98936900
2001-11-01	213630104.69009700
2001-12-01	180197613.29626800
2002-01-01	195859798.15876700
2002-02-01	199473919.18073600
2002-03-01	215343538.07889100
2002-04-01	231914287.06564298
2002-05-01	242898926.38842700
2002-06-01	224646278.66109000
2002-07-01	232591872.93030500
2002-08-01	248943631.86071700
2002-09-01	237791700.61544000
2002-10-01	260049058.33590302
2002-11-01	248378651.63598200
2002-12-01	213084816.38838500
2003-01-01	217067061.62830698
2003-02-01	235794961.12099100
2003-03-01	256330911.08524904
2003-04-01	271133118.62679100
2003-05-01	247460987.38694700
2003-06-01	286594763.89649800
2003-07-01	271783644.64904800
2003-08-01	244707895.32341400
2003-09-01	273775216.82639000
2003-10-01	299636329.15797600
2003-11-01	274446221.62052600
2003-12-01	269536918.54445900
2004-01-01	265154730.83377600
2004-02-01	292944470.90818995
2004-03-01	329398928.25082100
2004-04-01	345807859.98374800
2004-05-01	333994497.48209995
2004-06-01	347730154.95277000
2004-07-01	370503453.66458400
2004-08-01	355714865.92071000
2004-09-01	365751504.75213903
2004-10-01	395497723.01959800
2004-11-01	386655063.10219300
2004-12-01	405640722.75665400
2005-01-01	357860626.60915900
2005-02-01	378002669.76807800
2005-03-01	450905294.65915900
2005-04-01	461635616.80666596
2005-05-01	450838580.70417800
2005-06-01	403028627.90636300
2005-07-01	420115255.37150000
2005-08-01	418681276.65559304
2005-09-01	451679832.21527800
2005-10-01	455264956.33217000
2005-11-01	448012437.08051800
2005-12-01	461111457.89251800
2006-01-01	395100285.34338700
2006-02-01	411873050.42843395
2006-03-01	483020204.34263396
2006-04-01	476736603.77548397
2006-05-01	522774135.09498906
2006-06-01	548118652.46062600
2006-07-01	508870176.67777200
2006-08-01	552688037.52866300
2006-09-01	550153593.79067600
2006-10-01	572440105.11287600
2006-11-01	566450531.88210610
2006-12-01	577458953.16228000
2007-01-01	543762057.59500100
2007-02-01	559681369.97158800
2007-03-01	669835236.69838300
2007-04-01	645630381.93535510
2007-05-01	707943828.91241300
2007-06-01	702669826.27380200
2007-07-01	704995981.14616110
2007-08-01	708931917.52176000
2007-09-01	710980974.33622690
2007-10-01	806938895.97987200
2007-11-01	827345974.27619410
2007-12-01	734564214.41115900
2008-01-01	730857409.82068910
2008-02-01	831081930.46909600
2008-03-01	898113448.52826200
2008-04-01	953850512.58553800
2008-05-01	922848771.30488100
2008-06-01	856148710.19112800
2008-07-01	963692168.39461000
2008-08-01	870550249.73890100
2008-09-01	961117946.82352800
2008-10-01	853490964.02405800
2008-11-01	658266357.42493200
2008-12-01	648183321.48329210
2009-01-01	522174923.83634900
2009-02-01	516986105.47016000
2009-03-01	595832905.18293890
2009-04-01	567015570.24755900
2009-05-01	573011752.42899910
2009-06-01	648957883.92479910
2009-07-01	594377015.16567200
2009-08-01	621470177.05708100
2009-09-01	770887682.56370400
2009-10-01	841143080.47604600
2009-11-01	760711825.44188600
2009-12-01	716690517.83377800
2010-01-01	573708798.29777100
2010-02-01	642125346.35765910
2010-03-01	765818696.81418700
2010-04-01	782744428.36577500
2010-05-01	729834923.47896200
2010-06-01	700844623.20993700
2010-07-01	774671581.75405910
2010-08-01	830680486.11747600
2010-09-01	930877413.69167600
2010-10-01	963651340.46675000
2010-11-01	936889156.61782500
2010-12-01	892761730.25550290
2011-01-01	828152477.19621100
2011-02-01	873926249.74101900
2011-03-01	1070340736.92482000
2011-04-01	1050822288.52705990
2011-05-01	1143908824.55939000
2011-06-01	1115625833.28968000
2011-07-01	1081247929.74538020
2011-08-01	1227040751.92369000
2011-09-01	1216996945.51716020
2011-10-01	1308487946.73954000
2011-11-01	1256511347.09489000
2011-12-01	1084137802.72285000
2012-01-01	964759390.23337200
2012-02-01	1045883321.40726010
2012-03-01	1149802671.29366000
2012-04-01	1048276832.10805000
2012-05-01	1143149008.12621000
2012-06-01	1085752530.39386990
2012-07-01	1082345252.93433000
2012-08-01	1231051329.11754010
2012-09-01	1308209925.51968000
2012-10-01	1429462626.71453000
2012-11-01	1431780328.33848000
2012-12-01	1192446405.76766010
2013-01-01	1082357903.20572000
2013-02-01	1134030486.84130000
2013-03-01	1150267130.81570000
2013-04-01	1173895808.72217000
2013-05-01	1152026962.73119020
2013-06-01	1120794371.58164000
2013-07-01	1115902535.06794000
2013-08-01	1232603946.19665000
2013-09-01	1307666450.89770000
2013-10-01	1447141661.06488000
2013-11-01	1345093644.56720000
2013-12-01	1212877203.30559000
2014-01-01	1098648891.96348000
2014-02-01	1168301569.12371000
2014-03-01	1278823372.92562000
2014-04-01	1239902673.95524000
2014-05-01	1190619775.53286000
2014-06-01	1137884959.48749000
2014-07-01	1216879657.23788000
2014-08-01	1162573909.33788000
2014-09-01	1276720004.55021000
2014-10-01	1435534014.17896000
2014-11-01	1225903704.66502000
2014-12-01	1098872568.25428990
2015-01-01	966620960.29889200
2015-02-01	936900596.55016200
2015-03-01	1010521968.29642000
2015-04-01	1018832939.75149990
2015-05-01	944407778.31979910
2015-06-01	957874037.62668800
2015-07-01	1002219883.26476000
2015-08-01	942490217.67592500
2015-09-01	1147596070.25087000
2015-10-01	1188556561.65889000
2015-11-01	1061140474.07185000
2015-12-01	955086019.09263100
2016-01-01	816800648.44390500
2016-02-01	927356983.48362210
2016-03-01	993631091.03736510
2016-04-01	1026062510.49645010
2016-05-01	1028138806.18949010
2016-06-01	976095912.47710700
2016-07-01	947350628.26017610
2016-08-01	1039618940.87980000
2016-09-01	1130932754.26163000
2016-10-01	1135866434.57238980
2016-11-01	1108583328.22931000
2016-12-01	1013541252.98866010
2017-01-01	909808643.41886810
2017-02-01	964801716.90633200
2017-03-01	1186228343.78472020
2017-04-01	980880070.67050700
2017-05-01	1137790669.16760020
2017-06-01	1139764802.97933980
2017-07-01	1093570022.83961990
2017-08-01	1278336845.91083000
2017-09-01	1324262403.13661000
2017-10-01	1361369844.27564000
2017-11-01	1390790360.54820000
2017-12-01	1239324015.32508000
2018-01-01	1243647366.25532000
2018-02-01	1260905032.88325000
2018-03-01	1293533788.23332000
2018-04-01	1312100437.01038000
2018-05-01	1321628092.57781000
2018-06-01	1300849717.21505000
2018-07-01	1192695342.54259000
2018-08-01	1348827633.65027000