Month	US Dollars, monthly level
1991-01-01	-238505266.150741000
1991-02-01	24926316.102257700
1991-03-01	-120536843.617801000
1991-04-01	-199610528.820572020
1991-05-01	154345369.054887980
1991-06-01	213738582.848241980
1991-07-01	30790433.922095700
1991-08-01	122646081.888142990
1991-09-01	6131491.464126770
1991-10-01	-35222189.543013200
1991-11-01	196053342.955315020
1991-12-01	-819731873.538096000
1992-01-01	86620652.435320700
1992-02-01	-30111048.785592802
1992-03-01	-35564617.256332300
1992-04-01	-147522785.677856000
1992-05-01	-185101086.098090000
1992-06-01	-102778724.497724000
1992-07-01	-292272467.683400000
1992-08-01	-205906028.395491000
1992-09-01	-282673079.086814000
1992-10-01	-288535431.489656000
1992-11-01	-490013263.358217000
1992-12-01	-788492088.009984000
1993-01-01	-168721220.462569980
1993-02-01	-443155438.447307000
1993-03-01	-368514705.190972030
1993-04-01	-404170396.294653000
1993-05-01	-634389457.729793100
1993-06-01	-828442593.063628000
1993-07-01	-282175168.417682000
1993-08-01	-149953209.108567000
1993-09-01	-146530312.329900000
1993-10-01	-208125622.899736000
1993-11-01	-492734707.121064960
1993-12-01	-459832083.524237000
1994-01-01	-197070057.621328000
1994-02-01	-172094817.739798000
1994-03-01	-306018335.641786000
1994-04-01	-267556886.125216000
1994-05-01	-491890359.940311970
1994-06-01	-340286783.344242000
1994-07-01	-344830060.366916000
1994-08-01	-254165225.011435000
1994-09-01	-329491440.781642000
1994-10-01	-388778499.040324030
1994-11-01	-584661356.653547000
1994-12-01	-619675902.715107000
1995-01-01	-349270930.194453000
1995-02-01	-219937626.896978970
1995-03-01	-335054292.764732960
1995-04-01	-470340280.276674030
1995-05-01	-717731935.011872000
1995-06-01	-516848277.875903000
1995-07-01	-568426456.411227000
1995-08-01	-490119493.066682000
1995-09-01	-337803132.607113960
1995-10-01	-723384629.176718000
1995-11-01	-647217092.563880100
1995-12-01	-796296493.689673100
1996-01-01	-740256901.099878900
1996-02-01	-735263397.879406900
1996-03-01	-764928174.124368000
1996-04-01	-1007319543.595700000
1996-05-01	-1095174259.702950000
1996-06-01	-1162108352.006600000
1996-07-01	-1000236826.292780000
1996-08-01	-835882647.107852000
1996-09-01	-1087572115.384620000
1996-10-01	-1293594690.538660000
1996-11-01	-1379923857.868020000
1996-12-01	-1556453305.351519800
1997-01-01	-1381661490.683230200
1997-02-01	-1018142762.723069900
1997-03-01	-1228909344.059400000
1997-04-01	-1467819514.429679900
1997-05-01	-1384840844.626540000
1997-06-01	-1378944346.289749900
1997-07-01	-1373802925.327180000
1997-08-01	-1187354504.957610000
1997-09-01	-1379193881.769320000
1997-10-01	-1328031516.075740000
1997-11-01	-1611459182.133700100
1997-12-01	-1801104190.260480200
1998-01-01	-1017949305.649179900
1998-02-01	-1290482251.449580000
1998-03-01	-1771390275.952690100
1998-04-01	-1515701754.385960000
1998-05-01	-1576515373.352860000
1998-06-01	-1554814330.543929800
1998-07-01	-1541917364.095600100
1998-08-01	-1365392418.579820200
1998-09-01	-1771635814.129210000
1998-10-01	-1761857625.357240000
1998-11-01	-1730432499.654549800
1998-12-01	-1529465031.315240100
1999-01-01	-1108629729.346750000
1999-02-01	-1132954244.908750000
1999-03-01	-1586530612.244900000
1999-04-01	-1464270507.201000000
1999-05-01	-1462606170.598909900
1999-06-01	-1515648468.094910100
1999-07-01	-1643759504.035560000
1999-08-01	-1454212403.635940000
1999-09-01	-1655287164.045950200
1999-10-01	-1723027001.970100000
1999-11-01	-1848813844.086020000
1999-12-01	-1866331279.945240000
2000-01-01	-1242719629.584500000
2000-02-01	-1374348324.919690000
2000-03-01	-1627210884.353740000
2000-04-01	-1412505910.165480000
2000-05-01	-1839042964.970000000
2000-06-01	-1477377083.117690000
2000-07-01	-1445510237.871850000
2000-08-01	-1262852720.918620000
2000-09-01	-1266696378.830080000
2000-10-01	-1503714229.713840000
2000-11-01	-1317589401.334790000
2000-12-01	-1517036011.080330100
2001-01-01	-1068800530.152419900
2001-02-01	-918758401.564217900
2001-03-01	-1266841339.155750000
2001-04-01	-1261639751.552800000
2001-05-01	-1299458574.391440000
2001-06-01	-1220532196.254120000
2001-07-01	-1386440714.672440000
2001-08-01	-1048316284.779049900
2001-09-01	-906540284.360189900
2001-10-01	-1265725094.577550000
2001-11-01	-1239795737.122560000
2001-12-01	-1323779527.559050000
2002-01-01	-739355560.528083100
2002-02-01	-1021806036.025290100
2002-03-01	-1083526570.048310000
2002-04-01	-1421042505.592840000
2002-05-01	-1260240782.543269900
2002-06-01	-1158540218.470710000
2002-07-01	-1448161648.177500000
2002-08-01	-964816104.461370000
2002-09-01	-1178385542.168670000
2002-10-01	-1157393549.747050000
2002-11-01	-1252868497.109830100
2002-12-01	-1415335745.878570000
2003-01-01	-1063529132.550139900
2003-02-01	-1045620390.736190100
2003-03-01	-1184296234.707209800
2003-04-01	-1176909132.629649900
2003-05-01	-1233122040.072860000
2003-06-01	-999255918.827508900
2003-07-01	-1535650864.472950000
2003-08-01	-1110763237.979310000
2003-09-01	-1172754716.981130100
2003-10-01	-1169696062.118690000
2003-11-01	-1164586761.169470000
2003-12-01	-1599593526.533680000
2004-01-01	-913695985.681410000
2004-02-01	-569158512.720156100
2004-03-01	-1449301310.043670000
2004-04-01	-2336563037.742340000
2004-05-01	-1318735924.446060000
2004-06-01	-1235478281.795210000
2004-07-01	-1310366766.467069900
2004-08-01	-1048805204.553980000
2004-09-01	-1094921359.715880000
2004-10-01	-951156069.364162000
2004-11-01	-910067782.542537000
2004-12-01	-1416947531.298349900
2005-01-01	-578201074.443592100
2005-02-01	-788166259.168704000
2005-03-01	-1191895667.046750000
2005-04-01	-922333977.120783000
2005-05-01	-1329471505.450530000
2005-06-01	-842210426.024229000
2005-07-01	-994885282.596532000
2005-08-01	-1168228367.292930000
2005-09-01	-1077937411.095300000
2005-10-01	-825348124.361408000
2005-11-01	-1176401275.606720000
2005-12-01	-1265120458.246760000
2006-01-01	-904341181.389581000
2006-02-01	-978437632.700564000
2006-03-01	-1122493969.896650000
2006-04-01	-906568543.020434000
2006-05-01	-1691969480.889910000
2006-06-01	-1072903308.723780000
2006-07-01	-1635354330.708660000
2006-08-01	-1396141731.161179800
2006-09-01	-1244297147.046250000
2006-10-01	-1544261908.967790100
2006-11-01	-1414608359.892130000
2006-12-01	-2405208625.035010000
2007-01-01	-1619135146.157090000
2007-02-01	-1260315381.127510000
2007-03-01	-2063171772.004650000
2007-04-01	-1972551235.557050000
2007-05-01	-2033980552.362610000
2007-06-01	-2227560364.962280000
2007-07-01	-2611594586.545780000
2007-08-01	-1418654861.758309800
2007-09-01	-2170010462.747110000
2007-10-01	-2278371832.773800000
2007-11-01	-2745126340.598900300
2007-12-01	-3335894687.885470000
2008-01-01	-2456290885.882950300
2008-02-01	-2562539264.959950000
2008-03-01	-3548380287.577329600
2008-04-01	-3220328973.361890000
2008-05-01	-3376117295.231770000
2008-06-01	-3900151385.506489800
2008-07-01	-3863636172.405820000
2008-08-01	-3156362534.626040000
2008-09-01	-3152798157.145900200
2008-10-01	-2935745243.043810000
2008-11-01	-2757472478.783950300
2008-12-01	-3392283228.726720300
2009-01-01	-1356264746.057370000
2009-02-01	-698571310.595425000
2009-03-01	-1051750173.348060100
2009-04-01	-1040420978.010440100
2009-05-01	-847965463.803409900
2009-06-01	-1192333750.592290000
2009-07-01	-1313268160.411019800
2009-08-01	-1461180947.987550000
2009-09-01	-681389862.926363100
2009-10-01	-1032073570.571770100
2009-11-01	-980336934.814892000
2009-12-01	-1280816613.868360000
2010-01-01	-820968848.864265000
2010-02-01	-1139980546.407060100
2010-03-01	-1583770857.689450000
2010-04-01	-1061296456.352639900
2010-05-01	-1318442798.014459800
2010-06-01	-1147456938.576540000
2010-07-01	-1519997147.543320000
2010-08-01	-1962540299.430290000
2010-09-01	-1302624595.937670000
2010-10-01	-1705047646.162350000
2010-11-01	-2405225295.823210200
2010-12-01	-2354827333.055030000
2011-01-01	-1427022775.684090100
2011-02-01	-1645492516.533239800
2011-03-01	-1657888583.531990000
2011-04-01	-2308420339.454159700
2011-05-01	-2038325649.034090000
2011-06-01	-2327556766.575840000
2011-07-01	-2316793138.140949700
2011-08-01	-1975154208.998550200
2011-09-01	-1096636570.802210000
2011-10-01	-1531827478.398760000
2011-11-01	-1628603243.092769900
2011-12-01	-2025113581.698650000
2012-01-01	-1451498597.371920000
2012-02-01	-1771251980.982570000
2012-03-01	-1304699488.491050000
2012-04-01	-1245390646.120570000
2012-05-01	-1666532868.925690000
2012-06-01	-1017548959.608320000
2012-07-01	-918722302.311922000
2012-08-01	-518336369.156040970
2012-09-01	-456364742.399900000
2012-10-01	-259110402.463162030
2012-11-01	-1050634449.625549900
2012-12-01	-2117523803.701610000
2013-01-01	-508062102.244913000
2013-02-01	152444102.761228000
2013-03-01	-1082757955.355020000
2013-04-01	408710467.163944000
2013-05-01	-340051438.960577960
2013-06-01	318006506.148804000
2013-07-01	-305946552.563206000
2013-08-01	-141161251.917485000
2013-09-01	530959150.755842000
2013-10-01	-317694123.374051030
2013-11-01	-517336678.402043000
2013-12-01	-830733395.666224000
2014-01-01	-138215037.414830980
2014-02-01	-186151335.049506000
2014-03-01	-338086688.412405000
2014-04-01	219092998.553742020
2014-05-01	-695947248.333580000
2014-06-01	-190269294.314967000
2014-07-01	-697118253.900589000
2014-08-01	-577338807.182990100
2014-09-01	270391922.077740000
2014-10-01	-238624864.332042000
2014-11-01	-228071136.403002000
2014-12-01	-702972796.727792000
2015-01-01	285257437.616101000
2015-02-01	670117038.009824000
2015-03-01	476860833.513187000
2015-04-01	-114795092.245622000
2015-05-01	722694931.082044000
2015-06-01	153517439.653631000
2015-07-01	-517838550.064959050
2015-08-01	-220272386.970027000
2015-09-01	177015474.777807000
2015-10-01	520502395.853117940
2015-11-01	158804638.071639980
2015-12-01	68992669.528862500
2016-01-01	502227565.818186940
2016-02-01	370904988.032184000
2016-03-01	406907692.324998000
2016-04-01	554315335.379572000
2016-05-01	651086905.817045900
2016-06-01	794954226.966904000
2016-07-01	187161560.859457020
2016-08-01	-305360447.391011950
2016-09-01	167804105.152838000
2016-10-01	285840203.056082000
2016-11-01	619806754.633008000
2016-12-01	77044337.957997400
2017-01-01	468300115.938829960
2017-02-01	-181386746.865980000
2017-03-01	483803375.118034000
2017-04-01	469411088.440962000
2017-05-01	-100111243.598354000
2017-06-01	-94949053.857350690
2017-07-01	-240127873.698858000
2017-08-01	287800484.532059970
2017-09-01	482195392.248837000
2017-10-01	450307629.281347000
2017-11-01	82235883.487600800
2017-12-01	-1557032560.721940000
2018-01-01	-454810525.298065960
2018-02-01	-591717906.963638100
2018-03-01	-321818755.584080040
2018-04-01	40865428.176737800
2018-05-01	147234209.164096000
2018-06-01	-280190229.184319000
2018-07-01	-230672622.420420000
2018-08-01	-615922343.739022000