Quarter	US dollars
2004-12-31	109
2005-03-31	113
2005-06-30	308
2005-09-30	265
2005-12-31	522
2006-03-31	659
2006-06-30	632
2006-09-30	682
2006-12-31	861
2007-03-31	983
2007-06-30	1122
2007-09-30	1257
2007-12-31	1790
2008-03-31	1856
2008-06-30	919
2008-09-30	818
2008-12-31	1249
2009-03-31	1555
2009-06-30	1601
2009-09-30	1606
2009-12-31	1629
2010-03-31	1505
2010-06-30	1377
2010-09-30	1897
2010-12-31	1522
2011-03-31	2254
2011-06-30	942
2011-09-30	1637
2011-12-31	1970
2012-03-31	1728
2012-06-30	1801
2012-09-30	1555
2012-12-31	1749
2013-03-31	1725
2013-06-30	1602
2013-09-30	1741
2013-12-31	1772
2014-03-31	1642
2014-06-30	1708
2014-09-30	1714
2014-12-31	1650
2015-03-31	1581
2015-06-30	178
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	1
2017-09-30	1
2017-12-31	3
2018-03-31	1
2018-06-30	4
2018-09-30	1
2018-12-31	3
2019-03-31	3
2019-06-30	3
2019-09-30	1
2019-12-31	1
2020-03-31	1
2020-06-30	1
2020-09-30	1
2020-12-31	1
2021-03-31	1
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	1
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0