Month	US dollars
1999-07-31	-1283
1999-08-31	-1278
1999-09-30	-1285
1999-10-31	-1279
1999-11-30	-1261
1999-12-31	-1261
2000-01-31	-1069
2000-02-29	-1063
2000-03-31	-1063
2000-04-30	-1050
2000-05-31	-1041
2000-06-30	-1056
2000-07-31	-991
2000-08-31	-985
2000-09-30	-984
2000-10-31	-981
2000-11-30	-977
2000-12-31	-834
2001-01-31	-897
2001-02-28	-896
2001-03-31	-893
2001-04-30	-890
2001-05-31	-886
2001-06-30	-891
2001-07-31	-910
2001-08-31	-917
2001-09-30	-929
2001-10-31	-938
2001-11-30	-930
2001-12-31	-747
2002-01-31	-749
2002-02-28	-753
2002-03-31	-744
2002-04-30	-756
2002-05-31	-761
2002-06-30	-772
2002-07-31	-774
2002-08-31	-781
2002-09-30	-786
2002-10-31	-788
2002-11-30	-783
2002-12-31	-614
2003-01-31	-617
2003-02-28	-623
2003-03-31	-624
2003-04-30	-627
2003-05-31	-633
2003-06-30	-634
2003-07-31	-626
2003-08-31	-626
2003-09-30	-635
2003-10-31	-634
2003-11-30	-634
2003-12-31	-459
2004-01-31	-458
2004-02-29	-459
2004-03-31	-462
2004-04-30	-453
2004-05-31	-451
2004-06-30	-451
2004-07-31	-453
2004-08-31	-456
2004-09-30	-457
2004-10-31	-459
2004-11-30	-458
2004-12-31	-280
2005-01-31	-278
2005-02-28	-278
2005-03-31	-279
2005-04-30	-277
2005-05-31	-274
2005-06-30	-276
2005-07-31	-276
2005-08-31	-279
2005-09-30	-280
2005-10-31	-279
2005-11-30	-277
2005-12-31	-102
2006-01-31	-4
2006-02-28	-4
2006-03-31	-3
2006-04-30	-3
2006-05-31	-2
2006-06-30	-2
2006-07-31	-2
2006-08-31	-2
2006-09-30	-2
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	0
2021-11-30	0
2021-12-31	0
2022-01-31	0
2022-02-28	0
2022-03-31	0
2022-04-30	0
2022-05-31	0
2022-06-30	0
2022-07-31	0
2022-08-31	0
2022-09-30	0
2022-10-31	0
2022-11-30	0
2022-12-31	0
2023-01-31	0
2023-02-28	0
2023-03-31	0
2023-04-30	0
2023-05-31	0
2023-06-30	0
2023-07-31	0
2023-08-31	0
2023-09-30	0
2023-10-31	0
2023-11-30	0
2023-12-31	0