Monthly US Dollars, monthly level
1999-01-01 -59923288.42553870
1999-02-01 -73436342.00068210
1999-03-01 -108952579.19567500
1999-04-01 -103633810.20323901
1999-05-01 -91850438.41648310
1999-06-01 -121489736.67595200
1999-07-01 -113999979.90074600
1999-08-01 -126528706.48932199
1999-09-01 -118100053.57805800
1999-10-01 -127139195.82162300
1999-11-01 -164511779.68574700
1999-12-01 -176484572.12736800
2000-01-01 -82938104.93417280
2000-02-01 -83413606.01282941
2000-03-01 -120868137.60344301
2000-04-01 -125610028.13298500
2000-05-01 -151275680.74044800
2000-06-01 -125124838.63017900
2000-07-01 -147891371.45817098
2000-08-01 -151028093.66855800
2000-09-01 -145109693.19911298
2000-10-01 -157989433.88848100
2000-11-01 -194059501.88698900
2000-12-01 -180185775.07650800
2001-01-01 -98896198.01487580
2001-02-01 -112243939.80213500
2001-03-01 -147205901.89570200
2001-04-01 -141007024.71450800
2001-05-01 -146889366.84594100
2001-06-01 -135611476.05550000
2001-07-01 -177185797.18200400
2001-08-01 -163726473.26259300
2001-09-01 -160786188.46324700
2001-10-01 -204656524.71842300
2001-11-01 -196673563.74341500
2001-12-01 -194742214.24624398
2002-01-01 -124037195.00943300
2002-02-01 -125149390.39010601
2002-03-01 -153628561.84210500
2002-04-01 -180610698.34750602
2002-05-01 -168247018.23213100
2002-06-01 -179009655.26625200
2002-07-01 -186868684.23460400
2002-08-01 -153222888.67208800
2002-09-01 -196204290.34659400
2002-10-01 -237008202.32128000
2002-11-01 -192130943.80316300
2002-12-01 -229177771.09908400
2003-01-01 -145589380.55158400
2003-02-01 -159848731.31208300
2003-03-01 -201334091.19512698
2003-04-01 -193872815.84898400
2003-05-01 -189140585.27731800
2003-06-01 -220916797.17021700
2003-07-01 -213421424.39213198
2003-08-01 -235689775.67504200
2003-09-01 -249899471.17292598
2003-10-01 -250137767.84688600
2003-11-01 -221421045.25419202
2003-12-01 -271081542.71949905
2004-01-01 -163987600.06649598
2004-02-01 -194551910.94844303
2004-03-01 -290569977.96585196
2004-04-01 -367412813.67555500
2004-05-01 -243960089.22613898
2004-06-01 -218506981.40048100
2004-07-01 -224296393.48027300
2004-08-01 -250403696.78457502
2004-09-01 -355713286.11362200
2004-10-01 -290551200.78648300
2004-11-01 -303003727.33489100
2004-12-01 -325432337.09653500
2005-01-01 -199821992.61122900
2005-02-01 -221780644.16881400
2005-03-01 -278873685.17189600
2005-04-01 -259023123.55575803
2005-05-01 -272718508.85861300
2005-06-01 -284068214.17085900
2005-07-01 -260869271.91504400
2005-08-01 -316470894.48732100
2005-09-01 -312125492.75093800
2005-10-01 -370827439.99262404
2005-11-01 -352288334.19599700
2005-12-01 -387300451.14353603
2006-01-01 -278531175.42130303
2006-02-01 -329450589.85765500
2006-03-01 -389152957.87247000
2006-04-01 -361071368.71313900
2006-05-01 -483305069.85401300
2006-06-01 -384557916.47307000
2006-07-01 -432387445.73642200
2006-08-01 -497227105.83691096
2006-09-01 -521587435.93042800
2006-10-01 -537609093.42611300
2006-11-01 -572992419.81824400
2006-12-01 -622234475.83428700
2007-01-01 -494695926.50038300
2007-02-01 -506222780.45305000
2007-03-01 -565367950.32656490
2007-04-01 -552858096.47764290
2007-05-01 -615156387.82836400
2007-06-01 -578692946.48060000
2007-07-01 -736916708.62518390
2007-08-01 -590595030.02149010
2007-09-01 -571279449.55437210
2007-10-01 -641573248.98681400
2007-11-01 -589557352.94610400
2007-12-01 -567895935.69510100
2008-01-01 -579427749.54634610
2008-02-01 -539179682.34048590
2008-03-01 -505789468.85531896
2008-04-01 -609391344.84786500
2008-05-01 -500979496.67360795
2008-06-01 -566877756.33908500
2008-07-01 -555393504.84451900
2008-08-01 -451624518.98194600
2008-09-01 -528866849.24087200
2008-10-01 -469473607.80042700
2008-11-01 -326397294.95359600
2008-12-01 -383286484.62139904
2009-01-01 -266987743.54344400
2009-02-01 -219370126.00207700
2009-03-01 -217329824.15157300
2009-04-01 -173888290.43397600
2009-05-01 -147559002.75568100
2009-06-01 -133633721.56014100
2009-07-01 -188268673.12876200
2009-08-01 -181327420.44319600
2009-09-01 -149114903.68518502
2009-10-01 -98200010.98003500
2009-11-01 -134471523.39084500
2009-12-01 -173946913.36369500
2010-01-01 -151254400.34862700
2010-02-01 -134917548.24280998
2010-03-01 -153326708.40631598
2010-04-01 -86389403.95454740
2010-05-01 -160796098.57887100
2010-06-01 -137646226.88938800
2010-07-01 -199223030.94117698
2010-08-01 -212610803.94174500
2010-09-01 -165434447.52610700
2010-10-01 -181941366.91500600
2010-11-01 -213789548.47294900
2010-12-01 -358134344.84447396
2011-01-01 -132408486.78350201
2011-02-01 -203651878.65406900
2011-03-01 -284418394.72447600
2011-04-01 -193951441.85337700
2011-05-01 -257814691.68789100
2011-06-01 -229425374.43231600
2011-07-01 -418506046.64618600
2011-08-01 -292643916.77507400
2011-09-01 -273251299.65719000
2011-10-01 -352498988.55827000
2011-11-01 -291314083.26501703
2011-12-01 -265034904.33871700
2012-01-01 -275111200.45023800
2012-02-01 -266589938.43625900
2012-03-01 -306147183.33571600
2012-04-01 -343364683.82020700
2012-05-01 -266957554.51744303
2012-06-01 -322113273.80446700
2012-07-01 -311933158.00235100
2012-08-01 -243463874.55565400
2012-09-01 -149813617.05843500
2012-10-01 -273161414.33770400
2012-11-01 -141253596.90866200
2012-12-01 -216963368.68354000
2013-01-01 -300993531.95635100
2013-02-01 -231497712.85755600
2013-03-01 -354777120.92532600
2013-04-01 -320212473.45194596
2013-05-01 -244617362.51948902
2013-06-01 -234575669.06396902
2013-07-01 -393994199.47110295
2013-08-01 -307118822.25061900
2013-09-01 -257530229.61556700
2013-10-01 -311434363.30623597
2013-11-01 -180867683.27731300
2013-12-01 -253737139.06979400
2014-01-01 -238528730.29486000
2014-02-01 -233960964.59700498
2014-03-01 -300761336.08490700
2014-04-01 -307144525.15888304
2014-05-01 -233344445.56815400
2014-06-01 -275566644.31077000
2014-07-01 -307637355.23320100
2014-08-01 -242103020.29510500
2014-09-01 -278770529.43649600
2014-10-01 -146759811.81418100
2014-11-01 -213509898.07429300
2014-12-01 -316549173.44333700
2015-01-01 -124781555.63049900
2015-02-01 -237234587.41736800
2015-03-01 -245761711.83573900
2015-04-01 -199851743.19719502
2015-05-01 -187252304.38622501
2015-06-01 -240926631.47800100
2015-07-01 -274323031.28887200
2015-08-01 -290750495.87451500
2015-09-01 -111506402.13385800
2015-10-01 -102659298.55946200
2015-11-01 -129506737.99543300
2015-12-01 -202732577.24013698
2016-01-01 -114996505.16011900
2016-02-01 -151047621.56238900
2016-03-01 -206450008.27445200
2016-04-01 -193237236.72479500
2016-05-01 -184488458.68073100
2016-06-01 -190164600.67016600
2016-07-01 -195618450.02827698
2016-08-01 -201625105.07144900
2016-09-01 -105054425.57183900
2016-10-01 -151926267.04901400
2016-11-01 -158569241.13431700
2016-12-01 -247878655.19697700
2017-01-01 -221526020.90021300
2017-02-01 -167453724.00901002
2017-03-01 -197686904.70103100
2017-04-01 -188783253.36116200
2017-05-01 -220128386.19305200
2017-06-01 -334603665.54342204
2017-07-01 -349126894.79954500
2017-08-01 -341582755.09323700
2017-09-01 -251463338.40257200
2017-10-01 -211711172.57062700
2017-11-01 -109304898.33449000
2017-12-01 -284159630.08885600
2018-01-01 -162331533.24368200
2018-02-01 -187216691.28745100
2018-03-01 -308988244.52508700
2018-04-01 -199029917.59383100
2018-05-01 -260288490.90157902
2018-06-01 -340159356.03657300
2018-07-01 -466000688.35699400
2018-08-01 -440600858.15358900