Month	US Dollars, monthly level
1991-01-01	551057990.07499400
1991-02-01	594552927.91981400
1991-03-01	629262355.14520700
1991-04-01	602905484.99878200
1991-05-01	556121627.51767500
1991-06-01	508821573.14920795
1991-07-01	473990557.06106900
1991-08-01	514568164.39513600
1991-09-01	529050901.28945696
1991-10-01	539225528.14813790
1991-11-01	610654102.45762000
1991-12-01	1000082945.79262000
1992-01-01	500830207.60414200
1992-02-01	608922237.66134400
1992-03-01	708286825.64154300
1992-04-01	696329552.86404300
1992-05-01	694020698.35842400
1992-06-01	794981929.63618990
1992-07-01	827408947.22825100
1992-08-01	739628878.08436690
1992-09-01	813209891.96715200
1992-10-01	952956822.27430500
1992-11-01	895712672.77051510
1992-12-01	2148568587.68128970
1993-01-01	690428824.37036600
1993-02-01	1116242529.09342980
1993-03-01	1263284840.78370000
1993-04-01	1209639743.34781000
1993-05-01	1238028662.40770980
1993-06-01	1281374096.72679000
1993-07-01	1155177533.53052020
1993-08-01	1025282188.18825000
1993-09-01	1306348214.53382020
1993-10-01	1273711095.77833990
1993-11-01	1396392200.45084000
1993-12-01	1649160906.17162000
1994-01-01	787829493.05145700
1994-02-01	1213025037.19491000
1994-03-01	1474923554.20139000
1994-04-01	1229590076.24344000
1994-05-01	1518523544.74958000
1994-06-01	1571304976.66906000
1994-07-01	1389441353.55408000
1994-08-01	1426177150.29424000
1994-09-01	1625506262.24876000
1994-10-01	1594330591.61781000
1994-11-01	1800879059.24459000
1994-12-01	1754878602.25220010
1995-01-01	1564908858.61947000
1995-02-01	1717148494.56889990
1995-03-01	2187245703.19232000
1995-04-01	2025976615.14806000
1995-05-01	2231918674.74668030
1995-06-01	2206767634.02622030
1995-07-01	1976577931.48397000
1995-08-01	2004792078.39924980
1995-09-01	1998928383.93692020
1995-10-01	2425108571.01312000
1995-11-01	2451485145.12396000
1995-12-01	2336648869.58111000
1996-01-01	2254626488.20310970
1996-02-01	2226316155.16346030
1996-03-01	2208856442.42935000
1996-04-01	2199556312.23440000
1996-05-01	2312691657.08666000
1996-06-01	2276767085.09038970
1996-07-01	2399171138.85748000
1996-08-01	2408556003.08510000
1996-09-01	2378357285.10684000
1996-10-01	2364673311.18494000
1996-11-01	2365970928.06560000
1996-12-01	2390665861.99960000
1997-01-01	2371137358.55290000
1997-02-01	2328317955.99716000
1997-03-01	2259239112.73249000
1997-04-01	2343679276.81314000
1997-05-01	2174106423.43764970
1997-06-01	2234628850.51046000
1997-07-01	2094014736.54222000
1997-08-01	2137226831.83359000
1997-09-01	2235644223.95464000
1997-10-01	2313536374.55299000
1997-11-01	2292539281.57222000
1997-12-01	2269062428.01198000
1998-01-01	2220962398.31924000
1998-02-01	2299588453.51264000
1998-03-01	2333898463.71890000
1998-04-01	2360793941.90380000
1998-05-01	2445858697.65726000
1998-06-01	2237116979.27624000
1998-07-01	2407133051.52706000
1998-08-01	2336121791.54110000
1998-09-01	2415355273.66273000
1998-10-01	2442764988.41963000
1998-11-01	2455406831.70217000
1998-12-01	2373888074.47596030
1999-01-01	1906378968.57635000
1999-02-01	1945508357.19246000
1999-03-01	2565453159.36813000
1999-04-01	2237633817.12013000
1999-05-01	2238138222.84907960
1999-06-01	2396378653.11309000
1999-07-01	2187588551.99773030
1999-08-01	2140786266.82209010
1999-09-01	2360111400.12085960
1999-10-01	2514901081.76591000
1999-11-01	2872933472.52539000
1999-12-01	2697802844.00727030
2000-01-01	2262540863.48777000
2000-02-01	2522595926.72300960
2000-03-01	2759636929.09397030
2000-04-01	2307503684.67047000
2000-05-01	2651105153.79563000
2000-06-01	2936423825.20202970
2000-07-01	2565095462.61880000
2000-08-01	2658437896.98902030
2000-09-01	2472252234.55455970
2000-10-01	3019487156.89298000
2000-11-01	3045833146.44539000
2000-12-01	2872620564.50056000
2001-01-01	2881332022.19228000
2001-02-01	2934237288.13559000
2001-03-01	3332427319.31606000
2001-04-01	2942879650.79488000
2001-05-01	3080950851.26887040
2001-06-01	2847139084.87567000
2001-07-01	2872597552.52828000
2001-08-01	2921457163.89068000
2001-09-01	2749268605.47444000
2001-10-01	3522553161.52655030
2001-11-01	3321539842.76425000
2001-12-01	3052720315.85847000
2002-01-01	2881141149.43683000
2002-02-01	2771530249.11032000
2002-03-01	3253542364.76783000
2002-04-01	3235623113.18256000
2002-05-01	3457455162.06874040
2002-06-01	3267355982.27474000
2002-07-01	3548195820.06195000
2002-08-01	2940501905.97205000
2002-09-01	3780940831.14475970
2002-10-01	3993828483.92037000
2002-11-01	4044296020.47941000
2002-12-01	3565648396.18105030
2003-01-01	3669679595.27825000
2003-02-01	3668068729.45864000
2003-03-01	4119947230.40565000
2003-04-01	4253424807.04764030
2003-05-01	4239334326.70896000
2003-06-01	4240168692.98230000
2003-07-01	4358876153.20100000
2003-08-01	3643413903.25024030
2003-09-01	4275822946.37651000
2003-10-01	5060658658.81792100
2003-11-01	4692875950.84845000
2003-12-01	5015148557.79658000
2004-01-01	4169408475.57386970
2004-02-01	4661075955.45383000
2004-03-01	5430346558.70446000
2004-04-01	5876133082.65629000
2004-05-01	5805666172.61022000
2004-06-01	5954014279.97835000
2004-07-01	5529894469.34670000
2004-08-01	5216616763.84584000
2004-09-01	6016405426.30211000
2004-10-01	6360529248.43699000
2004-11-01	6858536034.33992000
2004-12-01	6372145476.65646000
2005-01-01	5452916038.72911900
2005-02-01	5804042331.71409000
2005-03-01	6540157434.85122000
2005-04-01	6642559895.24726000
2005-05-01	6313997058.87970900
2005-06-01	6392168696.86821000
2005-07-01	5571732355.28867100
2005-08-01	6423905736.07547000
2005-09-01	6864148863.37716000
2005-10-01	6795023148.14814000
2005-11-01	7232366954.99193000
2005-12-01	6316087198.26393000
2006-01-01	6433824460.67463000
2006-02-01	6484849884.62354000
2006-03-01	7581930774.86220000
2006-04-01	7035338525.47038100
2006-05-01	8089701910.32756000
2006-06-01	7873530193.01386000
2006-07-01	7330661246.02532000
2006-08-01	7601433964.94664000
2006-09-01	8155298871.83517000
2006-10-01	9193162545.74668100
2006-11-01	9466310873.91594100
2006-12-01	8226371592.51350000
2007-01-01	8371862356.80776000
2007-02-01	8348508466.96021000
2007-03-01	9625619994.41734000
2007-04-01	9271062287.89513000
2007-05-01	9583062288.91807000
2007-06-01	9559937660.80220000
2007-07-01	9614554158.97544100
2007-08-01	9499952156.87443000
2007-09-01	10045149629.04699900
2007-10-01	12252747526.32100100
2007-11-01	12370116357.01490000
2007-12-01	9956586581.96116000
2008-01-01	11396939952.39380000
2008-02-01	11924776877.05289800
2008-03-01	12584327346.76160000
2008-04-01	13749717223.65040000
2008-05-01	12374477170.11369900
2008-06-01	13150776864.13870000
2008-07-01	13385879866.18800000
2008-08-01	10598397200.08320000
2008-09-01	12486979861.47420000
2008-10-01	11976308246.39610000
2008-11-01	9911732654.36672000
2008-12-01	8569352769.31876000
2009-01-01	7558731079.83945000
2009-02-01	7131268403.32421000
2009-03-01	8373394088.98171000
2009-04-01	8046726700.77899000
2009-05-01	7871910523.04542000
2009-06-01	8858013673.25630000
2009-07-01	8765878729.98671000
2009-08-01	8373438876.09691000
2009-09-01	10354751737.06910000
2009-10-01	10382773798.67170000
2009-11-01	10542424242.42420000
2009-12-01	9057898879.18849000
2010-01-01	8744250455.29986000
2010-02-01	9007937135.77512000
2010-03-01	10799392603.45520000
2010-04-01	9940079429.03464000
2010-05-01	9581556458.39171000
2010-06-01	10276918832.35150000
2010-07-01	9961304028.93346000
2010-08-01	10249511249.54440000
2010-09-01	11902183051.63370100
2010-10-01	12502726801.95490000
2010-11-01	12843386592.24340000
2010-12-01	10904655630.45519800
2011-01-01	11309018816.57360000
2011-02-01	11538149693.41730000
2011-03-01	13622368427.63080000
2011-04-01	12949366010.43690100
2011-05-01	13709875883.87350000
2011-06-01	13637190339.25990100
2011-07-01	12238619956.34899900
2011-08-01	12937898989.48359900
2011-09-01	13093415132.50750000
2011-10-01	12725016385.93410100
2011-11-01	13223586235.62979900
2011-12-01	11343025368.90310100
2012-01-01	11287212935.35310000
2012-02-01	11974109297.80360000
2012-03-01	13052740565.33670000
2012-04-01	12202295476.11510000
2012-05-01	11893127169.67610000
2012-06-01	11512346499.66760000
2012-07-01	10688520845.73300000
2012-08-01	11031504482.12550000
2012-09-01	11868581986.62399900
2012-10-01	13209132939.07750100
2012-11-01	12336878893.78509900
2012-12-01	10740233268.03950000
2013-01-01	11211476817.33640100
2013-02-01	11121119755.73540000
2013-03-01	11572679834.21030000
2013-04-01	11787253961.62510000
2013-05-01	11550120426.65440000
2013-06-01	11567104576.03340000
2013-07-01	11570546271.43720000
2013-08-01	11567291447.47790000
2013-09-01	12766007946.05360000
2013-10-01	14247542638.54210000
2013-11-01	13294803233.03480000
2013-12-01	12135791767.85039900
2014-01-01	12344699670.62110000
2014-02-01	12657114703.18910000
2014-03-01	13305012254.31310000
2014-04-01	13293571413.86810100
2014-05-01	13019917816.82160000
2014-06-01	13130520999.36810000
2014-07-01	13535380993.93070000
2014-08-01	11261911655.08230000
2014-09-01	13471506487.82220000
2014-10-01	13679996725.06300200
2014-11-01	12868199233.71650000
2014-12-01	11667130557.48309900
2015-01-01	11101859001.23500000
2015-02-01	11180134437.88930100
2015-03-01	12165265975.43509900
2015-04-01	10980755518.78259800
2015-05-01	11123100277.43370000
2015-06-01	12452201923.38200000
2015-07-01	11729222931.82510000
2015-08-01	10388641200.41190000
2015-09-01	12947962838.13050000
2015-10-01	13211653148.18090000
2015-11-01	12459864987.51990000
2015-12-01	11655182972.70720100
2016-01-01	10807914058.65790000
2016-02-01	11916610670.08369800
2016-03-01	12363292124.08460000
2016-04-01	12100184594.73070100
2016-05-01	12065385537.26400000
2016-06-01	12555826941.10340000
2016-07-01	10388736271.77070000
2016-08-01	11603737033.20910000
2016-09-01	12682118143.63500000
2016-10-01	12291288566.24320000
2016-11-01	13061401852.87370100
2016-12-01	11199817125.35950000
2017-01-01	11912316224.39110000
2017-02-01	11773071992.21730000
2017-03-01	13779005182.95040000
2017-04-01	11869599089.11130100
2017-05-01	13744168018.87920000
2017-06-01	13901433660.41080000
2017-07-01	12379941956.37690000
2017-08-01	13847186167.61850000
2017-09-01	14629432192.03119900
2017-10-01	16222942973.33339900
2017-11-01	15930115388.15030100
2017-12-01	13322912547.12749900
2018-01-01	15799297651.06540000
2018-02-01	14470047206.61670000
2018-03-01	15741608037.76350000
2018-04-01	15092027424.09410000
2018-05-01	15413941708.01070000
2018-06-01	15395874500.59969900
2018-07-01	14404333938.23440000
2018-08-01	14725433198.31720000
2018-09-01	14884861567.46749900