Month	US dollars
1999-07-31	706
1999-08-31	702
1999-09-30	837
1999-10-31	692
1999-11-30	664
1999-12-31	678
2000-01-31	669
2000-02-29	659
2000-03-31	668
2000-04-30	653
2000-05-31	783
2000-06-30	666
2000-07-31	652
2000-08-31	774
2000-09-30	645
2000-10-31	376
2000-11-30	120
2000-12-31	115
2001-01-31	120
2001-02-28	120
2001-03-31	121
2001-04-30	118
2001-05-31	118
2001-06-30	119
2001-07-31	118
2001-08-31	120
2001-09-30	192
2001-10-31	238
2001-11-30	174
2001-12-31	112
2002-01-31	229
2002-02-28	128
2002-03-31	119
2002-04-30	119
2002-05-31	112
2002-06-30	113
2002-07-31	117
2002-08-31	120
2002-09-30	115
2002-10-31	308
2002-11-30	709
2002-12-31	263
2003-01-31	118
2003-02-28	126
2003-03-31	109
2003-04-30	120
2003-05-31	130
2003-06-30	134
2003-07-31	140
2003-08-31	144
2003-09-30	119
2003-10-31	127
2003-11-30	116
2003-12-31	142
2004-01-31	120
2004-02-29	180
2004-03-31	184
2004-04-30	180
2004-05-31	178
2004-06-30	180
2004-07-31	181
2004-08-31	184
2004-09-30	192
2004-10-31	193
2004-11-30	243
2004-12-31	209
2005-01-31	215
2005-02-28	206
2005-03-31	200
2005-04-30	233
2005-05-31	221
2005-06-30	221
2005-07-31	200
2005-08-31	206
2005-09-30	198
2005-10-31	204
2005-11-30	204
2005-12-31	247
2006-01-31	191
2006-02-28	192
2006-03-31	199
2006-04-30	253
2006-05-31	186
2006-06-30	209
2006-07-31	188
2006-08-31	194
2006-09-30	166
2006-10-31	161
2006-11-30	117
2006-12-31	172
2007-01-31	164
2007-02-28	173
2007-03-31	162
2007-04-30	159
2007-05-31	163
2007-06-30	160
2007-07-31	156
2007-08-31	227
2007-09-30	223
2007-10-31	192
2007-11-30	169
2007-12-31	235
2008-01-31	179
2008-02-29	165
2008-03-31	939
2008-04-30	1740
2008-05-31	1764
2008-06-30	1627
2008-07-31	1708
2008-08-31	1430
2008-09-30	1353
2008-10-31	752
2008-11-30	677
2008-12-31	599
2009-01-31	544
2009-02-28	563
2009-03-31	460
2009-04-30	433
2009-05-31	457
2009-06-30	414
2009-07-31	538
2009-08-31	530
2009-09-30	565
2009-10-31	511
2009-11-30	643
2009-12-31	535
2010-01-31	512
2010-02-28	573
2010-03-31	405
2010-04-30	421
2010-05-31	580
2010-06-30	448
2010-07-31	523
2010-08-31	474
2010-09-30	599
2010-10-31	484
2010-11-30	372
2010-12-31	476
2011-01-31	594
2011-02-28	738
2011-03-31	327
2011-04-30	223
2011-05-31	406
2011-06-30	424
2011-07-31	332
2011-08-31	512
2011-09-30	384
2011-10-31	610
2011-11-30	627
2011-12-31	587
2012-01-31	503
2012-02-29	673
2012-03-31	447
2012-04-30	302
2012-05-31	1098
2012-06-30	590
2012-07-31	545
2012-08-31	617
2012-09-30	308
2012-10-31	357
2012-11-30	653
2012-12-31	240
2013-01-31	397
2013-02-28	617
2013-03-31	323
2013-04-30	208
2013-05-31	572
2013-06-30	227
2013-07-31	224
2013-08-31	589
2013-09-30	204
2013-10-31	264
2013-11-30	406
2013-12-31	349
2014-01-31	395
2014-02-28	336
2014-03-31	259
2014-04-30	332
2014-05-31	365
2014-06-30	423
2014-07-31	279
2014-08-31	544
2014-09-30	419
2014-10-31	287
2014-11-30	338
2014-12-31	150
2015-01-31	205
2015-02-28	420
2015-03-31	356
2015-04-30	408
2015-05-31	370
2015-06-30	320
2015-07-31	215
2015-08-31	308
2015-09-30	283
2015-10-31	284
2015-11-30	334
2015-12-31	377
2016-01-31	260
2016-02-29	300
2016-03-31	450
2016-04-30	260
2016-05-31	383
2016-06-30	2017
2016-07-31	868
2016-08-31	999
2016-09-30	884
2016-10-31	883
2016-11-30	550
2016-12-31	1374
2017-01-31	1308
2017-02-28	1174
2017-03-31	1607
2017-04-30	1646
2017-05-31	1527
2017-06-30	3028
2017-07-31	2066
2017-08-31	3424
2017-09-30	5128
2017-10-31	5037
2017-11-30	4613
2017-12-31	6080
2018-01-31	3139
2018-02-28	3610
2018-03-31	6001
2018-04-30	3518
2018-05-31	2950
2018-06-30	5997
2018-07-31	2446
2018-08-31	2221
2018-09-30	2829
2018-10-31	3714
2018-11-30	19695
2018-12-31	29284
2019-01-31	25304
2019-02-28	22377
2019-03-31	19324
2019-04-30	10292
2019-05-31	2445
2019-06-30	3350
2019-07-31	2285
2019-08-31	2507
2019-09-30	8339
2019-10-31	17548
2019-11-30	8037
2019-12-31	18588
2020-01-31	3178
2020-02-29	4177
2020-03-31	4491
2020-04-30	3110
2020-05-31	3420
2020-06-30	3247
2020-07-31	2950
2020-08-31	4371
2020-09-30	3008
2020-10-31	2939
2020-11-30	13792
2020-12-31	18894
2021-01-31	6171
2021-02-28	2954
2021-03-31	3446
2021-04-30	3022
2021-05-31	3617
2021-06-30	3097
2021-07-31	3539
2021-08-31	3024
2021-09-30	4044
2021-10-31	7380
2021-11-30	7512
2021-12-31	14676
2022-01-31	7800
2022-02-28	5970
2022-03-31	7266
2022-04-30	8578
2022-05-31	6640
2022-06-30	10966
2022-07-31	9888
2022-08-31	14725
2022-09-30	7282
2022-10-31	10656
2022-11-30	13598
2022-12-31	13943
2023-01-31	9428
2023-02-28	8372
2023-03-31	5304
2023-04-30	4875
2023-05-31	4342
2023-06-30	4815
2023-07-31	4765
2023-08-31	3309
2023-09-30	4464
2023-10-31	3482
2023-11-30	3684
2023-12-31	4600