Month	US dollars
1999-09-30	9160
1999-12-31	10073
2000-03-31	6780
2000-04-30	10925
2000-05-31	8027
2000-06-30	8750
2000-07-31	7717
2000-08-31	8808
2000-09-30	8251
2000-10-31	9646
2000-11-30	10584
2000-12-31	11952
2001-01-31	10640
2001-02-28	9743
2001-03-31	10951
2001-04-30	10925
2001-05-31	10627
2001-06-30	10843
2001-07-31	11130
2001-08-31	12689
2001-09-30	13934
2001-10-31	12551
2001-11-30	12482
2001-12-31	12855
2002-01-31	12271
2002-02-28	12498
2002-03-31	13037
2002-04-30	13988
2002-05-31	13505
2002-06-30	14628
2002-07-31	13275
2002-08-31	13407
2002-09-30	13858
2002-10-31	13794
2002-11-30	14210
2002-12-31	15288
2003-01-31	13637
2003-02-28	13619
2003-03-31	13642
2003-04-30	13029
2003-05-31	13412
2003-06-30	13123
2003-07-31	11413
2003-08-31	11273
2003-09-30	11918
2003-10-31	11650
2003-11-30	11674
2003-12-31	12528
2004-01-31	13375
2004-02-29	13188
2004-03-31	12491
2004-04-30	12812
2004-05-31	12771
2004-06-30	13224
2004-07-31	12061
2004-08-31	13629
2004-09-30	14084
2004-10-31	14382
2004-11-30	15628
2004-12-31	16913
2005-01-31	15888
2005-02-28	16676
2005-03-31	16749
2005-04-30	17945
2005-05-31	16860
2005-06-30	16831
2005-07-31	14713
2005-08-31	15586
2005-09-30	16087
2005-10-31	16653
2005-11-30	17271
2005-12-31	17301
2006-01-31	17479
2006-02-28	15874
2006-03-31	17997
2006-04-30	17808
2006-05-31	19087
2006-06-30	17804
2006-07-31	17377
2006-08-31	18484
2006-09-30	18217
2006-10-31	19222
2006-11-30	20751
2006-12-31	20638
2007-01-31	20075
2007-02-28	19467
2007-03-31	19670
2007-04-30	20724
2007-05-31	20147
2007-06-30	20361
2007-07-31	20305
2007-08-31	18152
2007-09-30	19263
2007-10-31	20384
2007-11-30	20977
2007-12-31	21735
2008-01-31	19782
2008-02-29	19681
2008-03-31	20592
2008-04-30	19876
2008-05-31	18972
2008-06-30	19184
2008-07-31	17709
2008-08-31	16770
2008-09-30	15448
2008-10-31	13270
2008-11-30	13457
2008-12-31	16210
2009-01-31	13038
2009-02-28	13005
2009-03-31	14043
2009-04-30	13933
2009-05-31	16361
2009-06-30	15812
2009-07-31	14969
2009-08-31	14644
2009-09-30	14499
2009-10-31	14373
2009-11-30	14701
2009-12-31	14165
2010-01-31	12561
2010-02-28	10738
2010-03-31	11241
2010-04-30	12571
2010-05-31	11370
2010-06-30	10124
2010-07-31	11584
2010-08-31	11795
2010-09-30	13504
2010-10-31	12846
2010-11-30	12336
2010-12-31	13076
2011-01-31	15293
2011-02-28	16613
2011-03-31	15155
2011-04-30	17496
2011-05-31	18512
2011-06-30	19281
2011-07-31	20202
2011-08-31	21520
2011-09-30	19809
2011-10-31	21683
2011-11-30	20853
2011-12-31	19171
2012-01-31	19674
2012-02-29	20707
2012-03-31	20172
2012-04-30	20671
2012-05-31	18786
2012-06-30	19153
2012-07-31	17903
2012-08-31	19385
2012-09-30	19610
2012-10-31	19927
2012-11-30	19841
2012-12-31	20415
2013-01-31	21759
2013-02-28	19541
2013-03-31	20783
2013-04-30	20415
2013-05-31	21157
2013-06-30	22814
2013-07-31	22785
2013-08-31	22858
2013-09-30	24132
2013-10-31	24972
2013-11-30	26670
2013-12-31	26498
2014-01-31	25790
2014-02-28	26746
2014-03-31	28429
2014-04-30	26979
2014-05-31	28276
2014-06-30	28454
2014-07-31	26016
2014-08-31	26276
2014-09-30	24587
2014-10-31	26604
2014-11-30	27543
2014-12-31	24954
2015-01-31	24418
2015-02-28	25657
2015-03-31	31564
2015-04-30	30495
2015-05-31	33177
2015-06-30	32545
2015-07-31	32861
2015-08-31	34399
2015-09-30	34124
2015-10-31	34995
2015-11-30	33220
2015-12-31	35041
2016-01-31	37647
2016-02-29	36821
2016-03-31	39772
2016-04-30	38015
2016-05-31	36595
2016-06-30	38739
2016-07-31	39349
2016-08-31	38755
2016-09-30	40414
2016-10-31	37352
2016-11-30	37731
2016-12-31	36261
2017-01-31	37907
2017-02-28	38907
2017-03-31	42798
2017-04-30	42348
2017-05-31	43455
2017-06-30	47744
2017-07-31	47033
2017-08-31	46152
2017-09-30	44773
2017-10-31	41962
2017-11-30	44498
2017-12-31	47627
2018-01-31	44247
2018-02-28	43624
2018-03-31	50624
2018-04-30	42687
2018-05-31	40945
2018-06-30	44863
2018-07-31	39665
2018-08-31	40263
2018-09-30	43041
2018-10-31	44650
2018-11-30	56629
2018-12-31	57809
2019-01-31	55947
2019-02-28	51861
2019-03-31	47888
2019-04-30	38972
2019-05-31	35520
2019-06-30	33639
2019-07-31	30859
2019-08-31	30969
2019-09-30	34816
2019-10-31	43484
2019-11-30	41680
2019-12-31	50926
2020-01-31	32421
2020-02-29	32171
2020-03-31	31815
2020-04-30	26690
2020-05-31	27170
2020-06-30	26193
2020-07-31	25397
2020-08-31	25819
2020-09-30	25438
2020-10-31	21830
2020-11-30	30784
2020-12-31	37339
2021-01-31	26662
2021-02-28	22886
2021-03-31	22102
2021-04-30	20205
2021-05-31	21744
2021-06-30	20396
2021-07-31	23007
2021-08-31	24100
2021-09-30	24777
2021-10-31	23730
2021-11-30	24807
2021-12-31	25809
2022-01-31	22283
2022-02-28	19828
2022-03-31	20156
2022-04-30	17478
2022-05-31	19985
2022-06-30	20692
2022-07-31	21172
2022-08-31	23870
2022-09-30	20629
2022-10-31	24628
2022-11-30	27075
2022-12-31	28109
2023-01-31	25548
2023-02-28	22799
2023-03-31	24072
2023-04-30	25705
2023-05-31	24257
2023-06-30	23979
2023-07-31	25740
2023-08-31	25390
2023-09-30	23988
2023-10-31	23719
2023-11-30	24622
2023-12-31	25577