Month	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