Month	US dollars
1999-07-31	18408
1999-08-31	18295
1999-09-30	18414
1999-10-31	18920
1999-11-30	18119
1999-12-31	17808
2000-01-31	17799
2000-02-29	17752
2000-03-31	17875
2000-04-30	18161
2000-05-31	18991
2000-06-30	20375
2000-07-31	21147
2000-08-31	21604
2000-09-30	22206
2000-10-31	23713
2000-11-30	24509
2000-12-31	24897
2001-01-31	23595
2001-02-28	23049
2001-03-31	23331
2001-04-30	22902
2001-05-31	22305
2001-06-30	21801
2001-07-31	21400
2001-08-31	21954
2001-09-30	22272
2001-10-31	21863
2001-11-30	21659
2001-12-31	20920
2002-01-31	19902
2002-02-28	20843
2002-03-31	21931
2002-04-30	22595
2002-05-31	24052
2002-06-30	25310
2002-07-31	24041
2002-08-31	23068
2002-09-30	23973
2002-10-31	25195
2002-11-30	26184
2002-12-31	27020
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	27561
2003-10-31	27291
2003-11-30	27936
2003-12-31	29052
2004-01-31	28916
2004-02-29	28984
2004-03-31	29126
2004-04-30	28139
2004-05-31	28446
2004-06-30	28948
2004-07-31	28083
2004-08-31	28684
2004-09-30	29505
2004-10-31	30584
2004-11-30	32542
2004-12-31	33113
2005-01-31	30067
2005-02-28	30527
2005-03-31	30106
2005-04-30	28296
2005-05-31	28828
2005-06-30	29483
2005-07-31	29260
2005-08-31	29771
2005-09-30	29755
2005-10-31	29303
2005-11-30	29648
2005-12-31	30050
2006-01-31	31008
2006-02-28	30287
2006-03-31	29757
2006-04-30	30365
2006-05-31	32224
2006-06-30	31168
2006-07-31	30273
2006-08-31	30381
2006-09-30	29679
2006-10-31	29795
2006-11-30	30763
2006-12-31	29950
2007-01-31	29681
2007-02-28	30204
2007-03-31	30165
2007-04-30	29805
2007-05-31	28468
2007-06-30	28057
2007-07-31	28593
2007-08-31	29499
2007-09-30	32638
2007-10-31	34102
2007-11-30	36141
2007-12-31	36521
2008-01-31	37996
2008-02-29	39296
2008-03-31	40265
2008-04-30	38276
2008-05-31	37635
2008-06-30	37539
2008-07-31	37376
2008-08-31	35947
2008-09-30	34411
2008-10-31	32920
2008-11-30	33502
2008-12-31	35446
2009-01-31	33082
2009-02-28	33029
2009-03-31	34252
2009-04-30	34519
2009-05-31	36931
2009-06-30	35380
2009-07-31	35122
2009-08-31	35166
2009-09-30	34806
2009-10-31	34947
2009-11-30	35427
2009-12-31	33848
2010-01-31	33535
2010-02-28	34370
2010-03-31	35278
2010-04-30	35882
2010-05-31	35882
2010-06-30	36591
2010-07-31	38883
2010-08-31	39281
2010-09-30	40992
2010-10-31	41488
2010-11-30	40600
2010-12-31	41914
2011-01-31	44375
2011-02-28	45795
2011-03-31	45329
2011-04-30	47917
2011-05-31	47669
2011-06-30	48325
2011-07-31	49362
2011-08-31	49789
2011-09-30	47424
2011-10-31	49075
2011-11-30	48964
2011-12-31	48153
2012-01-31	49441
2012-02-29	50150
2012-03-31	50185
2012-04-30	51604
2012-05-31	51566
2012-06-30	53046
2012-07-31	52288
2012-08-31	53991
2012-09-30	55251
2012-10-31	56181
2012-11-30	57185
2012-12-31	57745
2013-01-31	56968
2013-02-28	56328
2013-03-31	55206
2013-04-30	56837
2013-05-31	57342
2013-06-30	58129
2013-07-31	58427
2013-08-31	58802
2013-09-30	61748
2013-10-31	61132
2013-11-30	62380
2013-12-31	62348
2014-01-31	61303
2014-02-28	63222
2014-03-31	64787
2014-04-30	66371
2014-05-31	67798
2014-06-30	70074
2014-07-31	68868
2014-08-31	68470
2014-09-30	66428
2014-10-31	67485
2014-11-30	69523
2014-12-31	68699
2015-01-31	71596
2015-02-28	75855
2015-03-31	79433
2015-04-30	80977
2015-05-31	82867
2015-06-30	85026
2015-07-31	86760
2015-08-31	89124
2015-09-30	90779
2015-10-31	91003
2015-11-30	90273
2015-12-31	91838
2016-01-31	94047
2016-02-29	94929
2016-03-31	98975
2016-04-30	97760
2016-05-31	98075
2016-06-30	101622
2016-07-31	101961
2016-08-31	100555
2016-09-30	101577
2016-10-31	99642
2016-11-30	96898
2016-12-31	94821
2017-01-31	96772
2017-02-28	95568
2017-03-31	96037
2017-04-30	98395
2017-05-31	101695
2017-06-30	102742
2017-07-31	103675
2017-08-31	104017
2017-09-30	102145
2017-10-31	98560
2017-11-30	101282
2017-12-31	101705
2018-01-31	102951
2018-02-28	103860
2018-03-31	103137
2018-04-30	100919
2018-05-31	101926
2018-06-30	101679
2018-07-31	103818
2018-08-31	104762
2018-09-30	104952
2018-10-31	104529
2018-11-30	103774
2018-12-31	102894
2019-01-31	104717
2019-02-28	105757
2019-03-31	105536
2019-04-30	106041
2019-05-31	108829
2019-06-30	110918
2019-07-31	110762
2019-08-31	111131
2019-09-30	108820
2019-10-31	112023
2019-11-30	111541
2019-12-31	112696
2020-01-31	114335
2020-02-29	115738
2020-03-31	114403
2020-04-30	113270
2020-05-31	113329
2020-06-30	114876
2020-07-31	118008
2020-08-31	117588
2020-09-30	112630
2020-10-31	112260
2020-11-30	113711
2020-12-31	115426
2021-01-31	115162
2021-02-28	114269
2021-03-31	113014
2021-04-30	114804
2021-05-31	115881
2021-06-30	113902
2021-07-31	115648
2021-08-31	114465
2021-09-30	111291
2021-10-31	108764
2021-11-30	108105
2021-12-31	104276
2022-01-31	101450
2022-02-28	101989
2022-03-31	97288
2022-04-30	92255
2022-05-31	93791
2022-06-30	88329
2022-07-31	91124
2022-08-31	86271
2022-09-30	83914
2022-10-31	84152
2022-11-30	86783
2022-12-31	86802
2023-01-31	88751
2023-02-28	85303
2023-03-31	88705
2023-04-30	89404
2023-05-31	90471
2023-06-30	91709
2023-07-31	92183
2023-08-31	91185
2023-09-30	89181
2023-10-31	89366
2023-11-30	91308
2023-12-31	92911