Month	US dollars
1996-02-29	325
1996-03-31	369
1996-04-30	405
1996-05-31	401
1996-06-30	329
1996-07-31	347
1996-08-31	352
1996-09-30	396
1996-10-31	346
1996-11-30	320
1996-12-31	361
1997-01-31	396
1997-02-28	510
1997-03-31	442
1997-04-30	435
1997-05-31	362
1997-06-30	314
1997-07-31	409
1997-08-31	442
1997-09-30	399
1997-10-31	387
1997-11-30	349
1997-12-31	485
1998-01-31	461
1998-02-28	437
1998-03-31	439
1998-04-30	447
1998-05-31	312
1998-06-30	444
1998-07-31	478
1998-08-31	374
1998-09-30	349
1998-10-31	289
1998-11-30	335
1998-12-31	444
1999-01-31	350
1999-02-28	293
1999-03-31	510
1999-04-30	360
1999-05-31	437
1999-06-30	406
1999-07-31	320
1999-08-31	306
1999-09-30	364
1999-10-31	345
1999-11-30	340
1999-12-31	512
2000-01-31	476
2000-02-29	490
2000-03-31	467
2000-04-30	323
2000-05-31	314
2000-06-30	406
2000-07-31	364
2000-08-31	271
2000-09-30	348
2000-10-31	321
2000-11-30	364
2000-12-31	327
2001-01-31	294
2001-02-28	367
2001-03-31	350
2001-04-30	284
2001-05-31	359
2001-06-30	354
2001-07-31	375
2001-08-31	376
2001-09-30	342
2001-10-31	328
2001-11-30	327
2001-12-31	284
2002-01-31	292
2002-02-28	301
2002-03-31	288
2002-04-30	293
2002-05-31	307
2002-06-30	300
2002-07-31	300
2002-08-31	366
2002-09-30	358
2002-10-31	366
2002-11-30	366
2002-12-31	350
2003-01-31	349
2003-02-28	348
2003-03-31	325
2003-04-30	382
2003-05-31	404
2003-06-30	400
2003-07-31	370
2003-08-31	376
2003-09-30	389
2003-10-31	382
2003-11-30	389
2003-12-31	379
2004-01-31	331
2004-02-29	342
2004-03-31	342
2004-04-30	324
2004-05-31	340
2004-06-30	299
2004-07-31	294
2004-08-31	305
2004-09-30	303
2004-10-31	307
2004-11-30	324
2004-12-31	328
2005-01-31	326
2005-02-28	337
2005-03-31	333
2005-04-30	306
2005-05-31	305
2005-06-30	298
2005-07-31	293
2005-08-31	298
2005-09-30	296
2005-10-31	290
2005-11-30	286
2005-12-31	287
2006-01-31	290
2006-02-28	314
2006-03-31	315
2006-04-30	322
2006-05-31	312
2006-06-30	309
2006-07-31	310
2006-08-31	408
2006-09-30	405
2006-10-31	405
2006-11-30	397
2006-12-31	396
2007-01-31	392
2007-02-28	374
2007-03-31	376
2007-04-30	373
2007-05-31	346
2007-06-30	346
2007-07-31	350
2007-08-31	375
2007-09-30	381
2007-10-31	384
2007-11-30	362
2007-12-31	360
2008-01-31	364
2008-02-29	343
2008-03-31	350
2008-04-30	346
2008-05-31	385
2008-06-30	388
2008-07-31	507
2008-08-31	472
2008-09-30	469
2008-10-31	448
2008-11-30	435
2008-12-31	448
2009-01-31	434
2009-02-28	423
2009-03-31	431
2009-04-30	432
2009-05-31	445
2009-06-30	415
2009-07-31	405
2009-08-31	12857
2009-09-30	13843
2009-10-31	13911
2009-11-30	14732
2009-12-31	14344
2010-01-31	14220
2010-02-28	14022
2010-03-31	13891
2010-04-30	13826
2010-05-31	13490
2010-06-30	13531
2010-07-31	13894
2010-08-31	13806
2010-09-30	14240
2010-10-31	14383
2010-11-30	13962
2010-12-31	14118
2011-01-31	14319
2011-02-28	14421
2011-03-31	14749
2011-04-30	15069
2011-05-31	14914
2011-06-30	14939
2011-07-31	15025
2011-08-31	15123
2011-09-30	14680
2011-10-31	14909
2011-11-30	14586
2011-12-31	14593
2012-01-31	14741
2012-02-29	14858
2012-03-31	14810
2012-04-30	14824
2012-05-31	14438
2012-06-30	14510
2012-07-31	14460
2012-08-31	14591
2012-09-30	14787
2012-10-31	14771
2012-11-30	14764
2012-12-31	14786
2013-01-31	14828
2013-02-28	14573
2013-03-31	14413
2013-04-30	14518
2013-05-31	14420
2013-06-30	14425
2013-07-31	14505
2013-08-31	14524
2013-09-30	14706
2013-10-31	14862
2013-11-30	14834
2013-12-31	14877
2014-01-31	14820
2014-02-28	14948
2014-03-31	14933
2014-04-30	14966
2014-05-31	14876
2014-06-30	14907
2014-07-31	14767
2014-08-31	14642
2014-09-30	14298
2014-10-31	14257
2014-11-30	14110
2014-12-31	13962
2015-01-31	13580
2015-02-28	13557
2015-03-31	13271
2015-04-30	13530
2015-05-31	13373
2015-06-30	13526
2015-07-31	13414
2015-08-31	13543
2015-09-30	13501
2015-10-31	13435
2015-11-30	13307
2015-12-31	13438
2016-01-31	13388
2016-02-29	10144
2016-03-31	10346
2016-04-30	10409
2016-05-31	10302
2016-06-30	10291
2016-07-31	10251
2016-08-31	10258
2016-09-30	10357
2016-10-31	10308
2016-11-30	10835
2016-12-31	10994
2017-01-31	11196
2017-02-28	11169
2017-03-31	11195
2017-04-30	11312
2017-05-31	11560
2017-06-30	11720
2017-07-31	12572
2017-08-31	13144
2017-09-30	11732
2017-10-31	11661
2017-11-30	11729
2017-12-31	11504
2018-01-31	11838
2018-02-28	11772
2018-03-31	12097
2018-04-30	11926
2018-05-31	11880
2018-06-30	12044
2018-07-31	12826
2018-08-31	12896
2018-09-30	12846
2018-10-31	12970
2018-11-30	13187
2018-12-31	13270
2019-01-31	13644
2019-02-28	13620
2019-03-31	13538
2019-04-30	13675
2019-05-31	13758
2019-06-30	14147
2019-07-31	14179
2019-08-31	14107
2019-09-30	14072
2019-10-31	14238
2019-11-30	14167
2019-12-31	14336
2020-01-31	14265
2020-02-29	14229
2020-03-31	14152
2020-04-30	14085
2020-05-31	14143
2020-06-30	13859
2020-07-31	14285
2020-08-31	14340
2020-09-30	14232
2020-10-31	14098
2020-11-30	14168
2020-12-31	14320
2021-01-31	14295
2021-02-28	14224
2021-03-31	14008
2021-04-30	14256
2021-05-31	14332
2021-06-30	13400
2021-07-31	13434
2021-08-31	40913
2021-09-30	41177
2021-10-31	41579
2021-11-30	41153
2021-12-31	41140
2022-01-31	40942
2022-02-28	41110
2022-03-31	40798
2022-04-30	39674
2022-05-31	39940
2022-06-30	39630
2022-07-31	39273
2022-08-31	38992
2022-09-30	38797
2022-10-31	38911
2022-11-30	40221
2022-12-31	40738
2023-01-31	41351
2023-02-28	40811
2023-03-31	41244
2023-04-30	40663
2023-05-31	40419
2023-06-30	40899
2023-07-31	41351
2023-08-31	41038
2023-09-30	40552
2023-10-31	40540
2023-11-30	41219
2023-12-31	41298