Month	US Dollars, monthly level
1991-01-01	-161234513.114415000
1991-02-01	24757385.996699800
1991-03-01	14966365.495948499
1991-04-01	-273762939.260226960
1991-05-01	-421116512.574504000
1991-06-01	-316766598.505165000
1991-07-01	-281035636.695173000
1991-08-01	-145224995.697298000
1991-09-01	72665139.452454400
1991-10-01	-198559908.376871020
1991-11-01	18141317.236926000
1991-12-01	450712712.888942000
1992-01-01	14743809.480820999
1992-02-01	-63314160.731840596
1992-03-01	-60448183.451464705
1992-04-01	-140246813.715368000
1992-05-01	16454752.989229701
1992-06-01	-73692623.184396300
1992-07-01	-244820388.476217000
1992-08-01	86421365.321239890
1992-09-01	271434789.623476000
1992-10-01	-50980821.987982300
1992-11-01	-49624787.846464604
1992-12-01	-134302785.390189000
1993-01-01	-144243654.484291000
1993-02-01	-238161382.252910020
1993-03-01	-227644305.285323000
1993-04-01	-388957717.250324000
1993-05-01	-446417111.567680000
1993-06-01	-301429931.918825000
1993-07-01	-190818646.528503980
1993-08-01	-145316302.958284000
1993-09-01	-222356069.588229000
1993-10-01	-252472875.839395000
1993-11-01	-269134904.478426000
1993-12-01	-856262852.946334000
1994-01-01	-282952014.010507000
1994-02-01	-190369854.246599000
1994-03-01	-294362791.024188000
1994-04-01	-371544792.816143000
1994-05-01	-373361708.787188000
1994-06-01	-324893693.103625000
1994-07-01	-291391446.532726000
1994-08-01	-428779037.500849000
1994-09-01	-226075702.235375000
1994-10-01	-268136339.230608000
1994-11-01	-380234870.382396000
1994-12-01	-440832273.160626000
1995-01-01	-188329291.965966020
1995-02-01	-295047230.874900000
1995-03-01	-498453078.500729000
1995-04-01	-415851381.649904970
1995-05-01	-290616608.912430050
1995-06-01	-262894341.420962000
1995-07-01	-126606603.556042000
1995-08-01	-107228249.833929000
1995-09-01	-74806305.102858900
1995-10-01	-74654134.587294500
1995-11-01	-110501306.492191000
1995-12-01	-136708246.201085000
1996-01-01	-253664033.150997000
1996-02-01	-193904536.455225020
1996-03-01	-82166736.867924300
1996-04-01	-201681961.855485020
1996-05-01	-157968474.775926000
1996-06-01	-196346643.963953000
1996-07-01	-228480930.920098000
1996-08-01	-214492736.495968000
1996-09-01	-210887003.517826000
1996-10-01	-226260418.089903000
1996-11-01	-188375722.854460980
1996-12-01	-268965095.665994050
1997-01-01	-223052809.259706000
1997-02-01	28907582.458878998
1997-03-01	-441833365.702078000
1997-04-01	-261869701.914276000
1997-05-01	-154368632.293918000
1997-06-01	-216267986.931235020
1997-07-01	-219358003.160935000
1997-08-01	-101142403.446933000
1997-09-01	-107203543.308043000
1997-10-01	-127568848.352808980
1997-11-01	-25517398.836943900
1997-12-01	-293054120.638957000
1998-01-01	-228259285.897647000
1998-02-01	-163656273.691051000
1998-03-01	-142638245.636026000
1998-04-01	-240973533.073616980
1998-05-01	-199606964.382038000
1998-06-01	-329149080.089431000
1998-07-01	-302947451.190136970
1998-08-01	-294766756.356381000
1998-09-01	-77064779.747211200
1998-10-01	-217842891.874924000
1998-11-01	-220623963.089261000
1998-12-01	-271755629.298523000
1999-01-01	-148187596.235109000
1999-02-01	-273739005.564531000
1999-03-01	-188978730.555917980
1999-04-01	-424267237.447523000
1999-05-01	-212557491.740623000
1999-06-01	-241691842.900302000
1999-07-01	-235461120.749870000
1999-08-01	-230139966.943532000
1999-09-01	-263546535.242797000
1999-10-01	-270193767.530429000
1999-11-01	-198782961.460446000
1999-12-01	-290527991.509684000
2000-01-01	-258881115.817437000
2000-02-01	-330607560.039321000
2000-03-01	-266651861.745989980
2000-04-01	-267855996.213323000
2000-05-01	-329036980.895462040
2000-06-01	-230340075.683168000
2000-07-01	-263866321.500372000
2000-08-01	-517482982.103272000
2000-09-01	-271944151.957085970
2000-10-01	-442028782.101380050
2000-11-01	-359292537.985401030
2000-12-01	-412854670.080050000
2001-01-01	-389660158.375921960
2001-02-01	-266986588.258137970
2001-03-01	-252903025.360207970
2001-04-01	-320901733.872181000
2001-05-01	-301114875.251358000
2001-06-01	-213801178.041207000
2001-07-01	-390787721.783036000
2001-08-01	-168620122.729244020
2001-09-01	-89211477.591861100
2001-10-01	-301951953.343403040
2001-11-01	-127270623.626056020
2001-12-01	-371318360.431162000
2002-01-01	-315351904.056571960
2002-02-01	-243039856.749449000
2002-03-01	-103947265.111611000
2002-04-01	-233836935.274667000
2002-05-01	-150478013.035976000
2002-06-01	-121839541.254476010
2002-07-01	-439526916.859811000
2002-08-01	-207283177.085787000
2002-09-01	-140706211.174179000
2002-10-01	-467551767.163426000
2002-11-01	-226913002.675331980
2002-12-01	-628442102.449204000
2003-01-01	-260109815.237866000
2003-02-01	-448405851.256745000
2003-03-01	-259282046.130857970
2003-04-01	-565781093.347853000
2003-05-01	-498998579.180717000
2003-06-01	-357959375.872259000
2003-07-01	-526757438.149177970
2003-08-01	-430067889.288237040
2003-09-01	-219575779.593824980
2003-10-01	-398590491.594939000
2003-11-01	-266121193.395684030
2003-12-01	-458856324.337924000
2004-01-01	-105099605.762734000
2004-02-01	-365578829.137595000
2004-03-01	-435874813.384515000
2004-04-01	-1186981214.504150200
2004-05-01	-384714551.302059000
2004-06-01	-345840201.740117970
2004-07-01	-343549085.133247000
2004-08-01	-470235139.834838000
2004-09-01	-374945058.887902000
2004-10-01	-278651663.707249000
2004-11-01	-137406193.848430000
2004-12-01	-315926583.777382970
2005-01-01	-186603162.352367000
2005-02-01	-330647268.693569960
2005-03-01	-156173903.270520000
2005-04-01	-543059333.707971000
2005-05-01	-201690071.118669000
2005-06-01	-126958197.016039000
2005-07-01	-532793944.444185000
2005-08-01	-548563276.237824000
2005-09-01	-109675957.398594990
2005-10-01	-348619054.657919000
2005-11-01	-230311369.006670030
2005-12-01	-211360972.516669000
2006-01-01	-188436830.835118000
2006-02-01	-303482221.395022030
2006-03-01	-285642174.085483970
2006-04-01	-240392950.014447000
2006-05-01	-170269469.943737000
2006-06-01	-55734064.068840005
2006-07-01	-411894825.162633000
2006-08-01	-382803477.300727000
2006-09-01	-64926747.611623205
2006-10-01	-132552364.639505010
2006-11-01	-114567507.658589000
2006-12-01	-109145177.936339000
2007-01-01	-281533411.227953000
2007-02-01	-67158993.751630600
2007-03-01	153967189.061090000
2007-04-01	-214203328.390180000
2007-05-01	32598527.869379100
2007-06-01	187821020.621982000
2007-07-01	-188716851.557039980
2007-08-01	-245387389.685844000
2007-09-01	307481125.600549040
2007-10-01	62340452.793739200
2007-11-01	98132851.940092000
2007-12-01	-252949884.304171980
2008-01-01	-149464688.967231000
2008-02-01	230386138.942375000
2008-03-01	328591001.784349000
2008-04-01	31052858.457965800
2008-05-01	-81640203.061450390
2008-06-01	51282849.641432300
2008-07-01	-700152827.786934000
2008-08-01	-183987359.554805000
2008-09-01	149029640.911724980
2008-10-01	-137186059.863932000
2008-11-01	115472163.269941000
2008-12-01	-126974452.740109000
2009-01-01	-252949318.793432030
2009-02-01	322261156.144124000
2009-03-01	610270675.751704000
2009-04-01	481820191.418116000
2009-05-01	538782642.461897000
2009-06-01	450529269.498646000
2009-07-01	450865567.254676040
2009-08-01	222397607.586734000
2009-09-01	665643475.693521000
2009-10-01	651745477.825338000
2009-11-01	705319282.925397000
2009-12-01	459006198.208066000
2010-01-01	610341690.254750000
2010-02-01	525187539.925614950
2010-03-01	767895299.145298000
2010-04-01	580485588.814295000
2010-05-01	482026851.450844000
2010-06-01	768763029.881861900
2010-07-01	212239267.959260000
2010-08-01	569501998.893563000
2010-09-01	674494182.223378000
2010-10-01	537595455.796901000
2010-11-01	1044206699.838940100
2010-12-01	548316078.824841000
2011-01-01	568106934.511629000
2011-02-01	1276787944.699440000
2011-03-01	1165141663.214400000
2011-04-01	627606907.574164000
2011-05-01	1008303388.152920000
2011-06-01	789662598.707824000
2011-07-01	587390182.192668100
2011-08-01	653705630.761754000
2011-09-01	1053695403.814040100
2011-10-01	800278434.335535000
2011-11-01	962623899.366042000
2011-12-01	388652905.474902000
2012-01-01	319592634.077903030
2012-02-01	1007887627.370420000
2012-03-01	872773615.350620000
2012-04-01	594352691.823980000
2012-05-01	967476054.683429000
2012-06-01	950183636.949139000
2012-07-01	463683945.528845000
2012-08-01	747986302.404048000
2012-09-01	925864991.637713900
2012-10-01	796866206.984945000
2012-11-01	732288722.712322000
2012-12-01	188092705.017772020
2013-01-01	390061131.926642000
2013-02-01	862421030.296531100
2013-03-01	898033489.929194900
2013-04-01	763532876.535743000
2013-05-01	510414355.007450040
2013-06-01	668942557.902553000
2013-07-01	567745717.801065000
2013-08-01	662661319.015429000
2013-09-01	1140311804.008910000
2013-10-01	947767269.364903000
2013-11-01	1020767487.529349900
2013-12-01	305595465.411112960
2014-01-01	694674618.880167000
2014-02-01	1123137738.529130000
2014-03-01	869333806.440167000
2014-04-01	710160235.521495900
2014-05-01	419417857.853015000
2014-06-01	608722697.930088000
2014-07-01	594647412.865524000
2014-08-01	573016675.088429000
2014-09-01	1211776035.011860100
2014-10-01	354487910.134268000
2014-11-01	881441990.352881000
2014-12-01	301293078.187967000
2015-01-01	843710854.026969000
2015-02-01	1013675368.613430100
2015-03-01	1113665605.028370000
2015-04-01	547079244.690354000
2015-05-01	568966325.738431000
2015-06-01	944791887.787593000
2015-07-01	699518754.444954000
2015-08-01	496814701.221868000
2015-09-01	972538272.692423000
2015-10-01	812733147.690854100
2015-11-01	835465793.053994000
2015-12-01	692343583.028552000
2016-01-01	683696036.437480000
2016-02-01	1091252938.971619800
2016-03-01	1070517634.062940100
2016-04-01	1110138572.332330000
2016-05-01	830806202.437489000
2016-06-01	1295825340.186699900
2016-07-01	756395436.497965000
2016-08-01	628363006.030840000
2016-09-01	1082024951.270919800
2016-10-01	876504246.529650000
2016-11-01	860098850.976591000
2016-12-01	513827554.309913000
2017-01-01	670160666.723945000
2017-02-01	938146161.102459900
2017-03-01	1044836985.040340100
2017-04-01	925239607.822230000
2017-05-01	1057962597.281920000
2017-06-01	1121913743.774500000
2017-07-01	348787992.977807000
2017-08-01	539657299.890448900
2017-09-01	1116920545.706509800
2017-10-01	584263849.967666000
2017-11-01	839243620.140480000
2017-12-01	608543365.689387100
2018-01-01	843059404.685642000
2018-02-01	1038882764.855630000
2018-03-01	699000683.922088000
2018-04-01	634228055.728030000
2018-05-01	710459359.936270000
2018-06-01	1197725510.467820000
2018-07-01	428051954.846896000
2018-08-01	35742369.004217600
2018-09-01	315942153.863829000