Month	US dollars
1999-08-31	-2626
1999-09-30	-2648
1999-10-31	-2651
1999-11-30	-2623
1999-12-31	-2621
2000-01-31	-2580
2000-02-29	-2554
2000-03-31	-2586
2000-04-30	-2520
2000-05-31	-2521
2000-06-30	-2555
2000-07-31	-2513
2000-08-31	-2492
2000-09-30	-2486
2000-10-31	-2452
2000-11-30	-2454
2000-12-31	-2501
2001-01-31	-2483
2001-02-28	-2467
2001-03-31	-2412
2001-04-30	-2421
2001-05-31	-2399
2001-06-30	-2381
2001-07-31	-2406
2001-08-31	-2455
2001-09-30	-2460
2001-10-31	-2440
2001-11-30	-2428
2001-12-31	-2410
2002-01-31	-2372
2002-02-28	-2375
2002-03-31	-2386
2002-04-30	-2426
2002-05-31	-2464
2002-06-30	-2531
2002-07-31	-2532
2002-08-31	-2533
2002-09-30	-2536
2002-10-31	-2533
2002-11-30	-2535
2002-12-31	-2600
2003-01-31	-2623
2003-02-28	-2619
2003-03-31	-2629
2003-04-30	-2651
2003-05-31	-2706
2003-06-30	-2685
2003-07-31	-2657
2003-08-31	-2640
2003-09-30	-2725
2003-10-31	-2736
2003-11-30	-2771
2003-12-31	-2845
2004-01-31	-2839
2004-02-29	-2834
2004-03-31	-2838
2004-04-30	-2779
2004-05-31	-2808
2004-06-30	-2805
2004-07-31	-2788
2004-08-31	-2799
2004-09-30	-2821
2004-10-31	-2864
2004-11-30	-2938
2004-12-31	-2970
2005-01-31	-2909
2005-02-28	-2931
2005-03-31	-2890
2005-04-30	-2902
2005-05-31	-2822
2005-06-30	-2787
2005-07-31	-2778
2005-08-31	-2793
2005-09-30	-2773
2005-10-31	-2766
2005-11-30	-2724
2005-12-31	-2734
2006-01-31	-2765
2006-02-28	-2745
2006-03-31	-2756
2006-04-30	-2814
2006-05-31	-2858
2006-06-30	-2830
2006-07-31	-2839
2006-08-31	-2848
2006-09-30	-2831
2006-10-31	-2831
2006-11-30	-2884
2006-12-31	-2878
2007-01-31	-2851
2007-02-28	-2879
2007-03-31	-2889
2007-04-30	-2916
2007-05-31	-2894
2007-06-30	-2899
2007-07-31	-2929
2007-08-31	-2932
2007-09-30	-2978
2007-10-31	-3007
2007-11-30	-3042
2007-12-31	-3020
2008-01-31	-3052
2008-02-29	-3081
2008-03-31	-3146
2008-04-30	-3106
2008-05-31	-3100
2008-06-30	-3125
2008-07-31	-3101
2008-08-31	-3003
2008-09-30	-2979
2008-10-31	-2847
2008-11-30	-2858
2008-12-31	-2947
2009-01-31	-2854
2009-02-28	-2807
2009-03-31	-2681
2009-04-30	-2865
2009-05-31	-2962
2009-06-30	-2970
2009-07-31	-2972
2009-08-31	-15442
2009-09-30	-16056
2009-10-31	-16112
2009-11-30	-16318
2009-12-31	-15887
2010-01-31	-15750
2010-02-28	-15531
2010-03-31	-15386
2010-04-30	-15314
2010-05-31	-14941
2010-06-30	-14987
2010-07-31	-15389
2010-08-31	-15292
2010-09-30	-15771
2010-10-31	-15929
2010-11-30	-15463
2010-12-31	-15607
2011-01-31	-15829
2011-02-28	-15942
2011-03-31	-16068
2011-04-30	-16414
2011-05-31	-16223
2011-06-30	-16219
2011-07-31	-16205
2011-08-31	-16310
2011-09-30	-15826
2011-10-31	-16072
2011-11-30	-15724
2011-12-31	-15559
2012-01-31	-15719
2012-02-29	-15769
2012-03-31	-15699
2012-04-30	-15714
2012-05-31	-15305
2012-06-30	-15379
2012-07-31	-15286
2012-08-31	-15424
2012-09-30	-15629
2012-10-31	-15612
2012-11-30	-15554
2012-12-31	-15575
2013-01-31	-15620
2013-02-28	-15352
2013-03-31	-15181
2013-04-30	-15293
2013-05-31	-15189
2013-06-30	-15241
2013-07-31	-15336
2013-08-31	-15356
2013-09-30	-15547
2013-10-31	-15587
2013-11-30	-15558
2013-12-31	-15607
2014-01-31	-15548
2014-02-28	-15682
2014-03-31	-15664
2014-04-30	-15705
2014-05-31	-15611
2014-06-30	-15666
2014-07-31	-15519
2014-08-31	-15388
2014-09-30	-15025
2014-10-31	-14982
2014-11-30	-14839
2014-12-31	-14683
2015-01-31	-14287
2015-02-28	-14263
2015-03-31	-13980
2015-04-30	-14253
2015-05-31	-14092
2015-06-30	-14253
2015-07-31	-14134
2015-08-31	-14270
2015-09-30	-14226
2015-10-31	-14156
2015-11-30	-13906
2015-12-31	-14043
2016-01-31	-13990
2016-02-29	-13998
2016-03-31	-14277
2016-04-30	-14364
2016-05-31	-14217
2016-06-30	-14176
2016-07-31	-14121
2016-08-31	-14131
2016-09-30	-14145
2016-10-31	-13923
2016-11-30	-13719
2016-12-31	-13581
2017-01-31	-13771
2017-02-28	-13721
2017-03-31	-13751
2017-04-30	-13894
2017-05-31	-14029
2017-06-30	-14101
2017-07-31	-14266
2017-08-31	-14324
2017-09-30	-14323
2017-10-31	-14235
2017-11-30	-14344
2017-12-31	-14398
2018-01-31	-14767
2018-02-28	-14653
2018-03-31	-14732
2018-04-30	-14574
2018-05-31	-14357
2018-06-30	-14254
2018-07-31	-14237
2018-08-31	-14202
2018-09-30	-14140
2018-10-31	-14007
2018-11-30	-14018
2018-12-31	-14095
2019-01-31	-14195
2019-02-28	-14167
2019-03-31	-14069
2019-04-30	-14044
2019-05-31	-13961
2019-06-30	-14089
2019-07-31	-13939
2019-08-31	-13867
2019-09-30	-13816
2019-10-31	-13979
2019-11-30	-13913
2019-12-31	-14014
2020-01-31	-13954
2020-02-29	-13917
2020-03-31	-13831
2020-04-30	-13847
2020-05-31	-13904
2020-06-30	-13942
2020-07-31	-14320
2020-08-31	-14374
2020-09-30	-14265
2020-10-31	-14306
2020-11-30	-14493
2020-12-31	-14596
2021-01-31	-14601
2021-02-28	-14586
2021-03-31	-14362
2021-04-30	-14553
2021-05-31	-14628
2021-06-30	-14456
2021-07-31	-14479
2021-08-31	-41947
2021-09-30	-41494
2021-10-31	-41686
2021-11-30	-41256
2021-12-31	-41221
2022-01-31	-40991
2022-02-28	-41081
2022-03-31	-40714
2022-04-30	-39592
2022-05-31	-39751
2022-06-30	-39106
2022-07-31	-38983
2022-08-31	-38327
2022-09-30	-37695
2022-10-31	-37795
2022-11-30	-38725
2022-12-31	-39196
2023-01-31	-39715
2023-02-28	-39135
2023-03-31	-39620
2023-04-30	-39672
2023-05-31	-39096
2023-06-30	-39173
2023-07-31	-39552
2023-08-31	-39169
2023-09-30	-38729
2023-10-31	-38704
2023-11-30	-39268
2023-12-31	-39515