Quarter	US dollars
2004-12-31	121
2005-03-31	125
2005-06-30	321
2005-09-30	274
2005-12-31	531
2006-03-31	668
2006-06-30	640
2006-09-30	689
2006-12-31	869
2007-03-31	992
2007-06-30	1130
2007-09-30	1265
2007-12-31	1798
2008-03-31	1870
2008-06-30	929
2008-09-30	825
2008-12-31	1256
2009-03-31	1562
2009-06-30	1607
2009-09-30	1610
2009-12-31	1633
2010-03-31	1511
2010-06-30	1384
2010-09-30	1898
2010-12-31	1523
2011-03-31	2360
2011-06-30	1047
2011-09-30	1639
2011-12-31	1974
2012-03-31	1732
2012-06-30	1804
2012-09-30	1562
2012-12-31	1751
2013-03-31	1726
2013-06-30	1606
2013-09-30	1741
2013-12-31	1775
2014-03-31	1649
2014-06-30	1717
2014-09-30	1723
2014-12-31	1659
2015-03-31	1592
2015-06-30	189
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	1
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