Month	US dollars
1999-07-31	1641
1999-08-31	1830
1999-09-30	1359
1999-10-31	753
1999-11-30	1826
1999-12-31	2697
2000-01-31	1697
2000-02-29	1559
2000-03-31	988
2000-04-30	3111
2000-05-31	3780
2000-06-30	6022
2000-07-31	4192
2000-08-31	5488
2000-09-30	6451
2000-10-31	5341
2000-11-30	5645
2000-12-31	5117
2001-01-31	4983
2001-02-28	5193
2001-03-31	5657
2001-04-30	6385
2001-05-31	5522
2001-06-30	5683
2001-07-31	5430
2001-08-31	4112
2001-09-30	5117
2001-10-31	4039
2001-11-30	3934
2001-12-31	3096
2002-01-31	2725
2002-02-28	2747
2002-03-31	3687
2002-04-30	4359
2002-05-31	3495
2002-06-30	4608
2002-07-31	5131
2002-08-31	4752
2002-09-30	3297
2002-10-31	2775
2002-11-30	3343
2002-12-31	1810
2003-01-31	746
2003-02-28	1278
2003-03-31	2764
2003-04-30	2192
2003-05-31	2775
2003-06-30	2794
2003-07-31	2576
2003-08-31	2867
2003-09-30	3025
2003-10-31	3560
2003-11-30	3845
2003-12-31	3435
2004-01-31	5088
2004-02-29	4640
2004-03-31	4574
2004-04-30	5592
2004-05-31	5279
2004-06-30	6276
2004-07-31	6070
2004-08-31	5957
2004-09-30	6029
2004-10-31	5583
2004-11-30	5451
2004-12-31	4862
2005-01-31	5935
2005-02-28	7186
2005-03-31	6452
2005-04-30	8248
2005-05-31	7391
2005-06-30	6168
2005-07-31	5068
2005-08-31	3777
2005-09-30	4805
2005-10-31	5154
2005-11-30	4503
2005-12-31	4826
2006-01-31	4902
2006-02-28	5884
2006-03-31	5674
2006-04-30	6129
2006-05-31	6236
2006-06-30	4460
2006-07-31	5923
2006-08-31	6422
2006-09-30	6686
2006-10-31	7703
2006-11-30	7167
2006-12-31	8143
2007-01-31	9078
2007-02-28	7947
2007-03-31	8271
2007-04-30	8438
2007-05-31	7679
2007-06-30	8837
2007-07-31	9252
2007-08-31	6541
2007-09-30	6482
2007-10-31	5430
2007-11-30	4073
2007-12-31	3616
2008-01-31	3520
2008-02-29	1996
2008-03-31	2763
2008-04-30	4043
2008-05-31	4389
2008-06-30	4005
2008-07-31	2603
2008-08-31	3018
2008-09-30	3062
2008-10-31	-267
2008-11-30	-2400
2008-12-31	-3615
2009-01-31	-3182
2009-02-28	-3483
2009-03-31	-3780
2009-04-30	-3160
2009-05-31	-2664
2009-06-30	-1857
2009-07-31	-1330
2009-08-31	-1569
2009-09-30	-2223
2009-10-31	-1930
2009-11-30	-1712
2009-12-31	-691
2010-01-31	-106
2010-02-28	264
2010-03-31	2091
2010-04-30	2186
2010-05-31	1792
2010-06-30	900
2010-07-31	861
2010-08-31	931
2010-09-30	1398
2010-10-31	534
2010-11-30	946
2010-12-31	794
2011-01-31	1399
2011-02-28	2752
2011-03-31	2064
2011-04-30	2061
2011-05-31	3544
2011-06-30	2183
2011-07-31	3417
2011-08-31	3476
2011-09-30	5902
2011-10-31	7201
2011-11-30	6251
2011-12-31	5485
2012-01-31	4711
2012-02-29	5648
2012-03-31	6688
2012-04-30	7930
2012-05-31	6805
2012-06-30	7477
2012-07-31	6177
2012-08-31	5899
2012-09-30	5405
2012-10-31	4335
2012-11-30	4383
2012-12-31	5263
2013-01-31	5286
2013-02-28	3324
2013-03-31	2757
2013-04-30	3408
2013-05-31	3745
2013-06-30	3776
2013-07-31	2189
2013-08-31	3180
2013-09-30	5239
2013-10-31	4646
2013-11-30	5630
2013-12-31	7325
2014-01-31	6790
2014-02-28	7249
2014-03-31	6845
2014-04-30	6683
2014-05-31	6444
2014-06-30	6331
2014-07-31	6274
2014-08-31	5949
2014-09-30	7514
2014-10-31	7585
2014-11-30	5076
2014-12-31	3549
2015-01-31	2495
2015-02-28	3879
2015-03-31	4850
2015-04-30	2902
2015-05-31	3722
2015-06-30	5615
2015-07-31	6054
2015-08-31	2862
2015-09-30	1291
2015-10-31	3012
2015-11-30	157
2015-12-31	665
2016-01-31	1756
2016-02-29	1059
2016-03-31	177
2016-04-30	1903
2016-05-31	954
2016-06-30	1090
2016-07-31	2812
2016-08-31	1570
2016-09-30	677
2016-10-31	1191
2016-11-30	1289
2016-12-31	831
2017-01-31	1537
2017-02-28	1136
2017-03-31	786
2017-04-30	2778
2017-05-31	2739
2017-06-30	2462
2017-07-31	4476
2017-08-31	3790
2017-09-30	3513
2017-10-31	3797
2017-11-30	5434
2017-12-31	6015
2018-01-31	5941
2018-02-28	4985
2018-03-31	4748
2018-04-30	5750
2018-05-31	4261
2018-06-30	5411
2018-07-31	5732
2018-08-31	3518
2018-09-30	5586
2018-10-31	4973
2018-11-30	4168
2018-12-31	2051
2019-01-31	3884
2019-02-28	3497
2019-03-31	4349
2019-04-30	3408
2019-05-31	7084
2019-06-30	5540
2019-07-31	3673
2019-08-31	4749
2019-09-30	2111
2019-10-31	2366
2019-11-30	5856
2019-12-31	7331
2020-01-31	5560
2020-02-29	3944
2020-03-31	3107
2020-04-30	3136
2020-05-31	2917
2020-06-30	1984
2020-07-31	2690
2020-08-31	3452
2020-09-30	1791
2020-10-31	2909
2020-11-30	1242
2020-12-31	3538
2021-01-31	4880
2021-02-28	4572
2021-03-31	3871
2021-04-30	3788
2021-05-31	6170
2021-06-30	5194
2021-07-31	4705
2021-08-31	5789
2021-09-30	4966
2021-10-31	4642
2021-11-30	5571
2021-12-31	5767
2022-01-31	6478
2022-02-28	9114
2022-03-31	6122
2022-04-30	6310
2022-05-31	6356
2022-06-30	6655
2022-07-31	8226
2022-08-31	6263
2022-09-30	8040
2022-10-31	8227
2022-11-30	5883
2022-12-31	5360
2023-01-31	7571
2023-02-28	7445
2023-03-31	8965
2023-04-30	8843
2023-05-31	7694
2023-06-30	7013
2023-07-31	7485
2023-08-31	7794
2023-09-30	7254
2023-10-31	7733
2023-11-30	8115
2023-12-31	8259