Month	US dollars
1999-07-31	20998
1999-08-31	20477
1999-09-30	20554
1999-10-31	21307
1999-11-30	20821
1999-12-31	21749
2000-01-31	20602
2000-02-29	20634
2000-03-31	20854
2000-04-30	21328
2000-05-31	22440
2000-06-30	23005
2000-07-31	24281
2000-08-31	24942
2000-09-30	24981
2000-10-31	26905
2000-11-30	28732
2000-12-31	29695
2001-01-31	27866
2001-02-28	27140
2001-03-31	27290
2001-04-30	26610
2001-05-31	26543
2001-06-30	25943
2001-07-31	26198
2001-08-31	26850
2001-09-30	26478
2001-10-31	25359
2001-11-30	25410
2001-12-31	25057
2002-01-31	24794
2002-02-28	25842
2002-03-31	26339
2002-04-30	26520
2002-05-31	26655
2002-06-30	27605
2002-07-31	26325
2002-08-31	25366
2002-09-30	25760
2002-10-31	26390
2002-11-30	26716
2002-12-31	27548
2003-01-31	27315
2003-02-28	27123
2003-03-31	26590
2003-04-30	26160
2003-05-31	26862
2003-06-30	27328
2003-07-31	26313
2003-08-31	26531
2003-09-30	28008
2003-10-31	27745
2003-11-30	28392
2003-12-31	29332
2004-01-31	29199
2004-02-29	28984
2004-03-31	29126
2004-04-30	28798
2004-05-31	29095
2004-06-30	30186
2004-07-31	30292
2004-08-31	30934
2004-09-30	31635
2004-10-31	32631
2004-11-30	34438
2004-12-31	35079
2005-01-31	33825
2005-02-28	34772
2005-03-31	34682
2005-04-30	34662
2005-05-31	34349
2005-06-30	34974
2005-07-31	33233
2005-08-31	33447
2005-09-30	34306
2005-10-31	34182
2005-11-30	34701
2005-12-31	34732
2006-01-31	36973
2006-02-28	35196
2006-03-31	35384
2006-04-30	37197
2006-05-31	38960
2006-06-30	35521
2006-07-31	36640
2006-08-31	37220
2006-09-30	37121
2006-10-31	38765
2006-11-30	39972
2006-12-31	39220
2007-01-31	39587
2007-02-28	39850
2007-03-31	39194
2007-04-30	41623
2007-05-31	40744
2007-06-30	40355
2007-07-31	40875
2007-08-31	38381
2007-09-30	38647
2007-10-31	42077
2007-11-30	44128
2007-12-31	43740
2008-01-31	43301
2008-02-29	44906
2008-03-31	43287
2008-04-30	42286
2008-05-31	41145
2008-06-30	40664
2008-07-31	38841
2008-08-31	36989
2008-09-30	36261
2008-10-31	38124
2008-11-30	40019
2008-12-31	39875
2009-01-31	35919
2009-02-28	35347
2009-03-31	36554
2009-04-30	37340
2009-05-31	39923
2009-06-30	38440
2009-07-31	37588
2009-08-31	36535
2009-09-30	36334
2009-10-31	36394
2009-11-30	37338
2009-12-31	34995
2010-01-31	34697
2010-02-28	35352
2010-03-31	35478
2010-04-30	36943
2010-05-31	37779
2010-06-30	38289
2010-07-31	39782
2010-08-31	39681
2010-09-30	41392
2010-10-31	41645
2010-11-30	41046
2010-12-31	42856
2011-01-31	45163
2011-02-28	46883
2011-03-31	46111
2011-04-30	48803
2011-05-31	48319
2011-06-30	49271
2011-07-31	50128
2011-08-31	51082
2011-09-30	48525
2011-10-31	50034
2011-11-30	49687
2011-12-31	49092
2012-01-31	50263
2012-02-29	51374
2012-03-31	51134
2012-04-30	52246
2012-05-31	52208
2012-06-30	53046
2012-07-31	52771
2012-08-31	55053
2012-09-30	56836
2012-10-31	58544
2012-11-30	59210
2012-12-31	59377
2013-01-31	58877
2013-02-28	58552
2013-03-31	58716
2013-04-30	59360
2013-05-31	60607
2013-06-30	62092
2013-07-31	62751
2013-08-31	62356
2013-09-30	65517
2013-10-31	65870
2013-11-30	66935
2013-12-31	65762
2014-01-31	64276
2014-02-28	66065
2014-03-31	66857
2014-04-30	68125
2014-05-31	70809
2014-06-30	72947
2014-07-31	71379
2014-08-31	70638
2014-09-30	68835
2014-10-31	70246
2014-11-30	72623
2014-12-31	71819
2015-01-31	74777
2015-02-28	78780
2015-03-31	84887
2015-04-30	87161
2015-05-31	89053
2015-06-30	89478
2015-07-31	90731
2015-08-31	93442
2015-09-30	94221
2015-10-31	94515
2015-11-30	93376
2015-12-31	94814
2016-01-31	97805
2016-02-29	99346
2016-03-31	103645
2016-04-30	101203
2016-05-31	100557
2016-06-30	104166
2016-07-31	105023
2016-08-31	103467
2016-09-30	104870
2016-10-31	102309
2016-11-30	100272
2016-12-31	98940
2017-01-31	100919
2017-02-28	101842
2017-03-31	102875
2017-04-30	103739
2017-05-31	107917
2017-06-30	109695
2017-07-31	109788
2017-08-31	109450
2017-09-30	109633
2017-10-31	104693
2017-11-30	107631
2017-12-31	107817
2018-01-31	107624
2018-02-28	108738
2018-03-31	109623
2018-04-30	111143
2018-05-31	112172
2018-06-30	111678
2018-07-31	111037
2018-08-31	111874
2018-09-30	110817
2018-10-31	111670
2018-11-30	110168
2018-12-31	107566
2019-01-31	111017
2019-02-28	110955
2019-03-31	109681
2019-04-30	108688
2019-05-31	112750
2019-06-30	114443
2019-07-31	114551
2019-08-31	115134
2019-09-30	112742
2019-10-31	115293
2019-11-30	116810
2019-12-31	114520
2020-01-31	117568
2020-02-29	118031
2020-03-31	124389
2020-04-30	125887
2020-05-31	127460
2020-06-30	126711
2020-07-31	126427
2020-08-31	125157
2020-09-30	119273
2020-10-31	119934
2020-11-30	119117
2020-12-31	120410
2021-01-31	120939
2021-02-28	119331
2021-03-31	119395
2021-04-30	119766
2021-05-31	121304
2021-06-30	117197
2021-07-31	118626
2021-08-31	117731
2021-09-30	115266
2021-10-31	114122
2021-11-30	114331
2021-12-31	108369
2022-01-31	109297
2022-02-28	108995
2022-03-31	110605
2022-04-30	103396
2022-05-31	104589
2022-06-30	97304
2022-07-31	97876
2022-08-31	92619
2022-09-30	89757
2022-10-31	90150
2022-11-30	93944
2022-12-31	95267
2023-01-31	97992
2023-02-28	92977
2023-03-31	96490
2023-04-30	97508
2023-05-31	95903
2023-06-30	96664
2023-07-31	97658
2023-08-31	96458
2023-09-30	94021
2023-10-31	95725
2023-11-30	98627
2023-12-31	100783