Month	US dollars
1999-07-31	2590
1999-08-31	2184
1999-09-30	2141
1999-10-31	2387
1999-11-30	2703
1999-12-31	3942
2000-01-31	2803
2000-02-29	2882
2000-03-31	2979
2000-04-30	3167
2000-05-31	3449
2000-06-30	2630
2000-07-31	3135
2000-08-31	3337
2000-09-30	2774
2000-10-31	3192
2000-11-30	4222
2000-12-31	4798
2001-01-31	4271
2001-02-28	4091
2001-03-31	3958
2001-04-30	3708
2001-05-31	4238
2001-06-30	4142
2001-07-31	4798
2001-08-31	4896
2001-09-30	4206
2001-10-31	3497
2001-11-30	3751
2001-12-31	4137
2002-01-31	4892
2002-02-28	4998
2002-03-31	4408
2002-04-30	3924
2002-05-31	2602
2002-06-30	2295
2002-07-31	2284
2002-08-31	2297
2002-09-30	1787
2002-10-31	1195
2002-11-30	532
2002-12-31	528
2003-01-31	0
2003-02-28	0
2003-03-31	0
2003-04-30	0
2003-05-31	0
2003-06-30	0
2003-07-31	0
2003-08-31	0
2003-09-30	447
2003-10-31	455
2003-11-30	456
2003-12-31	280
2004-01-31	283
2004-02-29	0
2004-03-31	0
2004-04-30	659
2004-05-31	648
2004-06-30	1237
2004-07-31	2210
2004-08-31	2249
2004-09-30	2131
2004-10-31	2047
2004-11-30	1897
2004-12-31	1966
2005-01-31	3758
2005-02-28	4245
2005-03-31	4576
2005-04-30	6366
2005-05-31	5521
2005-06-30	5491
2005-07-31	3973
2005-08-31	3676
2005-09-30	4552
2005-10-31	4880
2005-11-30	5052
2005-12-31	4683
2006-01-31	5964
2006-02-28	4909
2006-03-31	5627
2006-04-30	6833
2006-05-31	6736
2006-06-30	4352
2006-07-31	6367
2006-08-31	6839
2006-09-30	7442
2006-10-31	8969
2006-11-30	9210
2006-12-31	9270
2007-01-31	9906
2007-02-28	9646
2007-03-31	9029
2007-04-30	11818
2007-05-31	12276
2007-06-30	12298
2007-07-31	12282
2007-08-31	8883
2007-09-30	6009
2007-10-31	7975
2007-11-30	7987
2007-12-31	7218
2008-01-31	5305
2008-02-29	5610
2008-03-31	3022
2008-04-30	4010
2008-05-31	3511
2008-06-30	3125
2008-07-31	1465
2008-08-31	1043
2008-09-30	1850
2008-10-31	5204
2008-11-30	6517
2008-12-31	4429
2009-01-31	2837
2009-02-28	2319
2009-03-31	2302
2009-04-30	2822
2009-05-31	2992
2009-06-30	3060
2009-07-31	2466
2009-08-31	1369
2009-09-30	1528
2009-10-31	1447
2009-11-30	1911
2009-12-31	1147
2010-01-31	1161
2010-02-28	981
2010-03-31	200
2010-04-30	1061
2010-05-31	1897
2010-06-30	1698
2010-07-31	899
2010-08-31	399
2010-09-30	400
2010-10-31	157
2010-11-30	447
2010-12-31	943
2011-01-31	788
2011-02-28	1088
2011-03-31	783
2011-04-30	886
2011-05-31	650
2011-06-30	947
2011-07-31	765
2011-08-31	1293
2011-09-30	1101
2011-10-31	958
2011-11-30	723
2011-12-31	939
2012-01-31	821
2012-02-29	1223
2012-03-31	948
2012-04-30	641
2012-05-31	641
2012-06-30	0
2012-07-31	482
2012-08-31	1062
2012-09-30	1585
2012-10-31	2362
2012-11-30	2025
2012-12-31	1632
2013-01-31	1909
2013-02-28	2224
2013-03-31	3510
2013-04-30	2523
2013-05-31	3265
2013-06-30	3962
2013-07-31	4325
2013-08-31	3554
2013-09-30	3769
2013-10-31	4738
2013-11-30	4555
2013-12-31	3414
2014-01-31	2973
2014-02-28	2843
2014-03-31	2069
2014-04-30	1755
2014-05-31	3012
2014-06-30	2873
2014-07-31	2510
2014-08-31	2168
2014-09-30	2406
2014-10-31	2761
2014-11-30	3100
2014-12-31	3120
2015-01-31	3181
2015-02-28	2925
2015-03-31	5454
2015-04-30	6184
2015-05-31	6186
2015-06-30	4452
2015-07-31	3971
2015-08-31	4318
2015-09-30	3441
2015-10-31	3512
2015-11-30	3104
2015-12-31	2976
2016-01-31	3758
2016-02-29	4417
2016-03-31	4670
2016-04-30	3443
2016-05-31	2483
2016-06-30	2544
2016-07-31	3062
2016-08-31	2913
2016-09-30	3293
2016-10-31	2667
2016-11-30	3373
2016-12-31	4119
2017-01-31	4147
2017-02-28	6274
2017-03-31	6838
2017-04-30	5344
2017-05-31	6222
2017-06-30	6953
2017-07-31	6113
2017-08-31	5432
2017-09-30	7488
2017-10-31	6133
2017-11-30	6349
2017-12-31	6112
2018-01-31	4674
2018-02-28	4878
2018-03-31	6485
2018-04-30	10224
2018-05-31	10246
2018-06-30	9999
2018-07-31	7219
2018-08-31	7112
2018-09-30	5865
2018-10-31	7141
2018-11-30	6394
2018-12-31	4672
2019-01-31	6300
2019-02-28	5198
2019-03-31	4145
2019-04-30	2647
2019-05-31	3921
2019-06-30	3525
2019-07-31	3789
2019-08-31	4004
2019-09-30	3922
2019-10-31	3270
2019-11-30	5269
2019-12-31	1824
2020-01-31	3233
2020-02-29	2292
2020-03-31	9986
2020-04-30	12617
2020-05-31	14131
2020-06-30	11836
2020-07-31	8419
2020-08-31	7569
2020-09-30	6642
2020-10-31	7674
2020-11-30	5406
2020-12-31	4984
2021-01-31	5777
2021-02-28	5062
2021-03-31	6381
2021-04-30	4962
2021-05-31	5424
2021-06-30	3295
2021-07-31	2979
2021-08-31	3266
2021-09-30	3976
2021-10-31	5358
2021-11-30	6226
2021-12-31	4093
2022-01-31	7847
2022-02-28	7006
2022-03-31	13317
2022-04-30	11141
2022-05-31	10799
2022-06-30	8975
2022-07-31	6752
2022-08-31	6347
2022-09-30	5843
2022-10-31	5998
2022-11-30	7161
2022-12-31	8465
2023-01-31	9240
2023-02-28	7675
2023-03-31	7785
2023-04-30	8104
2023-05-31	5432
2023-06-30	4955
2023-07-31	5475
2023-08-31	5273
2023-09-30	4840
2023-10-31	6359
2023-11-30	7319
2023-12-31	7872