Month	US dollars
1999-07-31	1775
1999-08-31	1775
1999-09-30	3028
1999-10-31	2352
1999-11-30	1282
1999-12-31	1497
2000-01-31	3053
2000-02-29	2177
2000-03-31	1808
2000-04-30	1969
2000-05-31	1344
2000-06-30	1277
2000-07-31	1279
2000-08-31	1491
2000-09-30	1453
2000-10-31	1206
2000-11-30	1425
2000-12-31	1761
2001-01-31	1662
2001-02-28	1484
2001-03-31	971
2001-04-30	1207
2001-05-31	1220
2001-06-30	952
2001-07-31	1044
2001-08-31	932
2001-09-30	853
2001-10-31	773
2001-11-30	567
2001-12-31	694
2002-01-31	1257
2002-02-28	691
2002-03-31	992
2002-04-30	1596
2002-05-31	963
2002-06-30	921
2002-07-31	881
2002-08-31	1118
2002-09-30	1209
2002-10-31	1441
2002-11-30	1728
2002-12-31	2368
2003-01-31	2732
2003-02-28	2775
2003-03-31	2897
2003-04-30	3331
2003-05-31	3483
2003-06-30	3581
2003-07-31	3531
2003-08-31	3316
2003-09-30	3536
2003-10-31	3472
2003-11-30	4028
2003-12-31	4669
2004-01-31	3704
2004-02-29	3478
2004-03-31	4158
2004-04-30	4837
2004-05-31	4965
2004-06-30	5912
2004-07-31	5873
2004-08-31	7705
2004-09-30	8707
2004-10-31	7925
2004-11-30	8619
2004-12-31	10322
2005-01-31	11780
2005-02-28	13369
2005-03-31	11438
2005-04-30	13531
2005-05-31	15095
2005-06-30	15492
2005-07-31	13545
2005-08-31	15008
2005-09-30	15473
2005-10-31	16530
2005-11-30	15026
2005-12-31	15409
2006-01-31	15340
2006-02-28	14522
2006-03-31	14427
2006-04-30	15922
2006-05-31	15669
2006-06-30	14304
2006-07-31	13764
2006-08-31	13850
2006-09-30	15180
2006-10-31	15313
2006-11-30	15312
2006-12-31	15628
2007-01-31	14227
2007-02-28	13301
2007-03-31	12795
2007-04-30	14712
2007-05-31	14549
2007-06-30	14251
2007-07-31	14435
2007-08-31	14875
2007-09-30	15439
2007-10-31	19442
2007-11-30	21769
2007-12-31	19637
2008-01-31	19994
2008-02-29	23140
2008-03-31	19095
2008-04-30	15888
2008-05-31	11785
2008-06-30	9402
2008-07-31	10684
2008-08-31	6552
2008-09-30	33736
2008-10-31	69862
2008-11-30	55740
2008-12-31	35654
2009-01-31	25783
2009-02-28	17593
2009-03-31	16789
2009-04-30	16903
2009-05-31	6598
2009-06-30	8325
2009-07-31	8883
2009-08-31	7522
2009-09-30	7091
2009-10-31	7530
2009-11-30	8488
2009-12-31	6222
2010-01-31	6212
2010-02-28	6474
2010-03-31	8384
2010-04-30	8809
2010-05-31	9921
2010-06-30	10539
2010-07-31	12534
2010-08-31	10959
2010-09-30	9962
2010-10-31	12044
2010-11-30	12108
2010-12-31	13037
2011-01-31	10710
2011-02-28	11685
2011-03-31	11107
2011-04-30	9782
2011-05-31	10673
2011-06-30	9201
2011-07-31	10081
2011-08-31	11174
2011-09-30	13617
2011-10-31	14618
2011-11-30	12435
2011-12-31	13196
2012-01-31	12582
2012-02-29	14816
2012-03-31	12875
2012-04-30	15281
2012-05-31	15377
2012-06-30	15247
2012-07-31	16432
2012-08-31	16435
2012-09-30	16558
2012-10-31	17143
2012-11-30	17448
2012-12-31	17132
2013-01-31	16550
2013-02-28	14443
2013-03-31	14704
2013-04-30	14976
2013-05-31	15149
2013-06-30	14018
2013-07-31	14053
2013-08-31	10938
2013-09-30	10362
2013-10-31	10115
2013-11-30	11340
2013-12-31	9793
2014-01-31	10052
2014-02-28	10180
2014-03-31	7576
2014-04-30	9040
2014-05-31	8513
2014-06-30	9684
2014-07-31	10845
2014-08-31	9162
2014-09-30	9608
2014-10-31	9407
2014-11-30	9861
2014-12-31	9741
2015-01-31	10137
2015-02-28	11455
2015-03-31	10124
2015-04-30	11730
2015-05-31	10430
2015-06-30	8761
2015-07-31	8263
2015-08-31	6760
2015-09-30	6168
2015-10-31	7322
2015-11-30	6617
2015-12-31	6885
2016-01-31	5995
2016-02-29	7575
2016-03-31	7681
2016-04-30	7784
2016-05-31	6108
2016-06-30	4676
2016-07-31	5317
2016-08-31	5873
2016-09-30	5177
2016-10-31	4165
2016-11-30	2892
2016-12-31	3583
2017-01-31	2575
2017-02-28	1173
2017-03-31	1537
2017-04-30	1648
2017-05-31	1750
2017-06-30	2689
2017-07-31	1612
2017-08-31	2142
2017-09-30	3155
2017-10-31	4597
2017-11-30	5488
2017-12-31	6787
2018-01-31	5606
2018-02-28	5490
2018-03-31	4811
2018-04-30	5856
2018-05-31	6123
2018-06-30	5207
2018-07-31	2693
2018-08-31	1835
2018-09-30	2401
2018-10-31	2545
2018-11-30	3375
2018-12-31	3614
2019-01-31	2297
2019-02-28	1856
2019-03-31	988
2019-04-30	2755
2019-05-31	2102
2019-06-30	1346
2019-07-31	3797
2019-08-31	3876
2019-09-30	3040
2019-10-31	4558
2019-11-30	3413
2019-12-31	3472
2020-01-31	1867
2020-02-29	2072
2020-03-31	1278
2020-04-30	1699
2020-05-31	935
2020-06-30	826
2020-07-31	616
2020-08-31	1982
2020-09-30	1583
2020-10-31	3051
2020-11-30	2774
2020-12-31	2323
2021-01-31	3476
2021-02-28	2830
2021-03-31	1270
2021-04-30	800
2021-05-31	752
2021-06-30	913
2021-07-31	753
2021-08-31	1153
2021-09-30	1084
2021-10-31	1033
2021-11-30	1478
2021-12-31	2012
2022-01-31	1887
2022-02-28	2649
2022-03-31	2259
2022-04-30	2975
2022-05-31	1978
2022-06-30	2196
2022-07-31	1713
2022-08-31	1483
2022-09-30	1261
2022-10-31	860
2022-11-30	904
2022-12-31	1099
2023-01-31	817
2023-02-28	1666
2023-03-31	2191
2023-04-30	3353
2023-05-31	3782
2023-06-30	4331
2023-07-31	3886
2023-08-31	4702
2023-09-30	4881
2023-10-31	5190
2023-11-30	4800
2023-12-31	4687