Month	US dollars
2001-01-31	31979
2001-02-28	28426
2001-03-31	29800
2001-04-30	29828
2001-05-31	29762
2001-06-30	29274
2001-07-31	27752
2001-08-31	29073
2001-09-30	29237
2001-10-31	26741
2001-11-30	27421
2001-12-31	25886
2002-01-31	23940
2002-02-28	24996
2002-03-31	25270
2002-04-30	26197
2002-05-31	26177
2002-06-30	28527
2002-07-31	27483
2002-08-31	28042
2002-09-30	27929
2002-10-31	28522
2002-11-30	29392
2002-12-31	26793
2003-01-31	24452
2003-02-28	25965
2003-03-31	26608
2003-04-30	25157
2003-05-31	25999
2003-06-30	25643
2003-07-31	25542
2003-08-31	25943
2003-09-30	28075
2003-10-31	27239
2003-11-30	28424
2003-12-31	28127
2004-01-31	27838
2004-02-29	27058
2004-03-31	27576
2004-04-30	27134
2004-05-31	26953
2004-06-30	27308
2004-07-31	25991
2004-08-31	26586
2004-09-30	27274
2004-10-31	27884
2004-11-30	29681
2004-12-31	30281
2005-01-31	29392
2005-02-28	30401
2005-03-31	29382
2005-04-30	30026
2005-05-31	29358
2005-06-30	29010
2005-07-31	26987
2005-08-31	26783
2005-09-30	28065
2005-10-31	27547
2005-11-30	27887
2005-12-31	27367
2006-01-31	28630
2006-02-28	27386
2006-03-31	28123
2006-04-30	28696
2006-05-31	30800
2006-06-30	27116
2006-07-31	28056
2006-08-31	28905
2006-09-30	29298
2006-10-31	30347
2006-11-30	30966
2006-12-31	30765
2007-01-31	30804
2007-02-28	30630
2007-03-31	29671
2007-04-30	31619
2007-05-31	30536
2007-06-30	30000
2007-07-31	30293
2007-08-31	27376
2007-09-30	28744
2007-10-31	31741
2007-11-30	33014
2007-12-31	33272
2008-01-31	33136
2008-02-29	33693
2008-03-31	34252
2008-04-30	35437
2008-05-31	34760
2008-06-30	34269
2008-07-31	29922
2008-08-31	28737
2008-09-30	27417
2008-10-31	25962
2008-11-30	25949
2008-12-31	25884
2009-01-31	21277
2009-02-28	20788
2009-03-31	21016
2009-04-30	21913
2009-05-31	24324
2009-06-30	22877
2009-07-31	22553
2009-08-31	33843
2009-09-30	33720
2009-10-31	33593
2009-11-30	34204
2009-12-31	33432
2010-01-31	32565
2010-02-28	33687
2010-03-31	36208
2010-04-30	37503
2010-05-31	37452
2010-06-30	36362
2010-07-31	37931
2010-08-31	37732
2010-09-30	39655
2010-10-31	38766
2010-11-30	38576
2010-12-31	40435
2011-01-31	44054
2011-02-28	46411
2011-03-31	44368
2011-04-30	47714
2011-05-31	47635
2011-06-30	48616
2011-07-31	49021
2011-08-31	51189
2011-09-30	48682
2011-10-31	51759
2011-11-30	51368
2011-12-31	50236
2012-01-31	50285
2012-02-29	52093
2012-03-31	51075
2012-04-30	52549
2012-05-31	53530
2012-06-30	53501
2012-07-31	52694
2012-08-31	53918
2012-09-30	54232
2012-10-31	55441
2012-11-30	55754
2012-12-31	55866
2013-01-31	56078
2013-02-28	54423
2013-03-31	55853
2013-04-30	54847
2013-05-31	56505
2013-06-30	57821
2013-07-31	58199
2013-08-31	58556
2013-09-30	60326
2013-10-31	61549
2013-11-30	63247
2013-12-31	63185
2014-01-31	62365
2014-02-28	63536
2014-03-31	66955
2014-04-30	63197
2014-05-31	66480
2014-06-30	67333
2014-07-31	66915
2014-08-31	66961
2014-09-30	65433
2014-10-31	68611
2014-11-30	70314
2014-12-31	68038
2015-01-31	69900
2015-02-28	75811
2015-03-31	85259
2015-04-30	85778
2015-05-31	88324
2015-06-30	85810
2015-07-31	89340
2015-08-31	91086
2015-09-30	93085
2015-10-31	94691
2015-11-30	92497
2015-12-31	94653
2016-01-31	98891
2016-02-29	96690
2016-03-31	99610
2016-04-30	105840
2016-05-31	101989
2016-06-30	103879
2016-07-31	109242
2016-08-31	107976
2016-09-30	106665
2016-10-31	107000
2016-11-30	102821
2016-12-31	99474
2017-01-31	104649
2017-02-28	103977
2017-03-31	105133
2017-04-30	112728
2017-05-31	113138
2017-06-30	109439
2017-07-31	118712
2017-08-31	116597
2017-09-30	109559
2017-10-31	109138
2017-11-30	107218
2017-12-31	112944
2018-01-31	116964
2018-02-28	113000
2018-03-31	114751
2018-04-30	112936
2018-05-31	114796
2018-06-30	112124
2018-07-31	109552
2018-08-31	112200
2018-09-30	109764
2018-10-31	111903
2018-11-30	120345
2018-12-31	122320
2019-01-31	125053
2019-02-28	119129
2019-03-31	113800
2019-04-30	114761
2019-05-31	105684
2019-06-30	105037
2019-07-31	108968
2019-08-31	107539
2019-09-30	95565
2019-10-31	109862
2019-11-30	107762
2019-12-31	111001
2020-01-31	102925
2020-02-29	96811
2020-03-31	97276
2020-04-30	99177
2020-05-31	99080
2020-06-30	95678
2020-07-31	97171
2020-08-31	96204
2020-09-30	87236
2020-10-31	90380
2020-11-30	94654
2020-12-31	95306
2021-01-31	90065
2021-02-28	88488
2021-03-31	88224
2021-04-30	87405
2021-05-31	87429
2021-06-30	85785
2021-07-31	86277
2021-08-31	110504
2021-09-30	111850
2021-10-31	110704
2021-11-30	113373
2021-12-31	114525
2022-01-31	108671
2022-02-28	111884
2022-03-31	113007
2022-04-30	106546
2022-05-31	104132
2022-06-30	102710
2022-07-31	101493
2022-08-31	100029
2022-09-30	93149
2022-10-31	98481
2022-11-30	102234
2022-12-31	103805
2023-01-31	103426
2023-02-28	99273
2023-03-31	101911
2023-04-30	104034
2023-05-31	99580
2023-06-30	100781
2023-07-31	105427
2023-08-31	105592
2023-09-30	100187
2023-10-31	101083
2023-11-30	102856
2023-12-31	104598
