Month	US dollars
1999-08-31	-2632
1999-09-30	-3706
1999-10-31	-3662
1999-11-30	-3506
1999-12-31	-3488
2000-01-31	-3394
2000-02-29	-3354
2000-03-31	-3328
2000-04-30	-3158
2000-05-31	-3221
2000-06-30	-3328
2000-07-31	-3218
2000-08-31	-3085
2000-09-30	-3062
2000-10-31	-2939
2000-11-30	-3018
2000-12-31	-3251
2001-01-31	-3229
2001-02-28	-3192
2001-03-31	-3068
2001-04-30	-3076
2001-05-31	-2940
2001-06-30	-2942
2001-07-31	-3036
2001-08-31	-3155
2001-09-30	-3167
2001-10-31	-3133
2001-11-30	-3115
2001-12-31	-3098
2002-01-31	-2909
2002-02-28	-3009
2002-03-31	-3120
2002-04-30	-3224
2002-05-31	-3342
2002-06-30	-3532
2002-07-31	-3507
2002-08-31	-3509
2002-09-30	-3538
2002-10-31	-3544
2002-11-30	-3561
2002-12-31	-3758
2003-01-31	-3847
2003-02-28	-3864
2003-03-31	-3911
2003-04-30	-3999
2003-05-31	-4216
2003-06-30	-4119
2003-07-31	-4037
2003-08-31	-3936
2003-09-30	-4180
2003-10-31	-4172
2003-11-30	-4299
2003-12-31	-4527
2004-01-31	-4457
2004-02-29	-4460
2004-03-31	-4410
2004-04-30	-4301
2004-05-31	-4376
2004-06-30	-4364
2004-07-31	-4318
2004-08-31	-4359
2004-09-30	-4454
2004-10-31	-4563
2004-11-30	-4768
2004-12-31	-4887
2005-01-31	-4677
2005-02-28	-4761
2005-03-31	-4662
2005-04-30	-4631
2005-05-31	-4429
2005-06-30	-4343
2005-07-31	-4359
2005-08-31	-4411
2005-09-30	-4325
2005-10-31	-4296
2005-11-30	-4224
2005-12-31	-4229
2006-01-31	-4352
2006-02-28	-4272
2006-03-31	-4337
2006-04-30	-4513
2006-05-31	-3453
2006-06-30	-2294
2006-07-31	-1145
2006-08-31	-766
2006-09-30	-380
2006-10-31	0
2006-11-30	0
2006-12-31	0
2007-01-31	0
2007-02-28	0
2007-03-31	0
2007-04-30	0
2007-05-31	0
2007-06-30	0
2007-07-31	0
2007-08-31	0
2007-09-30	0
2007-10-31	0
2007-11-30	0
2007-12-31	0
2008-01-31	0
2008-02-29	0
2008-03-31	0
2008-04-30	0
2008-05-31	0
2008-06-30	0
2008-07-31	0
2008-08-31	0
2008-09-30	0
2008-10-31	0
2008-11-30	0
2008-12-31	0
2009-01-31	0
2009-02-28	0
2009-03-31	0
2009-04-30	0
2009-05-31	0
2009-06-30	0
2009-07-31	0
2009-08-31	0
2009-09-30	0
2009-10-31	0
2009-11-30	0
2009-12-31	0
2010-01-31	0
2010-02-28	0
2010-03-31	0
2010-04-30	0
2010-05-31	0
2010-06-30	0
2010-07-31	0
2010-08-31	0
2010-09-30	0
2010-10-31	0
2010-11-30	0
2010-12-31	0
2011-01-31	0
2011-02-28	0
2011-03-31	0
2011-04-30	0
2011-05-31	0
2011-06-30	0
2011-07-31	0
2011-08-31	0
2011-09-30	0
2011-10-31	0
2011-11-30	0
2011-12-31	0
2012-01-31	0
2012-02-29	0
2012-03-31	0
2012-04-30	0
2012-05-31	0
2012-06-30	0
2012-07-31	0
2012-08-31	0
2012-09-30	0
2012-10-31	0
2012-11-30	0
2012-12-31	0
2013-01-31	0
2013-02-28	0
2013-03-31	0
2013-04-30	0
2013-05-31	0
2013-06-30	0
2013-07-31	0
2013-08-31	0
2013-09-30	0
2013-10-31	0
2013-11-30	0
2013-12-31	0
2014-01-31	0
2014-02-28	0
2014-03-31	0
2014-04-30	0
2014-05-31	0
2014-06-30	0
2014-07-31	0
2014-08-31	0
2014-09-30	0
2014-10-31	0
2014-11-30	0
2014-12-31	0
2015-01-31	0
2015-02-28	0
2015-03-31	0
2015-04-30	0
2015-05-31	0
2015-06-30	0
2015-07-31	0
2015-08-31	0
2015-09-30	0
2015-10-31	0
2015-11-30	0
2015-12-31	0
2016-01-31	0
2016-02-29	0
2016-03-31	0
2016-04-30	0
2016-05-31	0
2016-06-30	0
2016-07-31	0
2016-08-31	0
2016-09-30	0
2016-10-31	0
2016-11-30	0
2016-12-31	0
2017-01-31	0
2017-02-28	0
2017-03-31	0
2017-04-30	0
2017-05-31	0
2017-06-30	0
2017-07-31	0
2017-08-31	0
2017-09-30	0
2017-10-31	0
2017-11-30	0
2017-12-31	0
2018-01-31	0
2018-02-28	0
2018-03-31	0
2018-04-30	0
2018-05-31	0
2018-06-30	0
2018-07-31	0
2018-08-31	0
2018-09-30	0
2018-10-31	0
2018-11-30	0
2018-12-31	0
2019-01-31	0
2019-02-28	0
2019-03-31	0
2019-04-30	0
2019-05-31	0
2019-06-30	0
2019-07-31	0
2019-08-31	0
2019-09-30	0
2019-10-31	0
2019-11-30	0
2019-12-31	0
2020-01-31	0
2020-02-29	0
2020-03-31	0
2020-04-30	0
2020-05-31	0
2020-06-30	0
2020-07-31	0
2020-08-31	0
2020-09-30	0
2020-10-31	0
2020-11-30	0
2020-12-31	0
2021-01-31	0
2021-02-28	0
2021-03-31	0
2021-04-30	0
2021-05-31	0
2021-06-30	0
2021-07-31	0
2021-08-31	0
2021-09-30	0
2021-10-31	-2587
2021-11-30	-4722
2021-12-31	-6179
2022-01-31	-4013
2022-02-28	-3641
2022-03-31	-3996
2022-04-30	-3693
2022-05-31	-4311
2022-06-30	-3745
2022-07-31	-3228
2022-08-31	-3205
2022-09-30	-4510
2022-10-31	-5107
2022-11-30	-4937
2022-12-31	-4413
2023-01-31	-3916
2023-02-28	-6440
2023-03-31	-5828
2023-04-30	-6256
2023-05-31	-6041
2023-06-30	-5859
2023-07-31	-6292
2023-08-31	-6394
2023-09-30	-6332
2023-10-31	-6436
2023-11-30	-7567
2023-12-31	-6843