Quarter	US dollars
2004-12-31	553
2005-03-31	616
2005-06-30	500
2005-09-30	472
2005-12-31	489
2006-03-31	517
2006-06-30	597
2006-09-30	1140
2006-12-31	554
2007-03-31	732
2007-06-30	564
2007-09-30	717
2007-12-31	737
2008-03-31	485
2008-06-30	490
2008-09-30	380
2008-12-31	420
2009-03-31	344
2009-06-30	413
2009-09-30	413
2009-12-31	449
2010-03-31	595
2010-06-30	567
2010-09-30	659
2010-12-31	662
2011-03-31	793
2011-06-30	893
2011-09-30	1016
2011-12-31	1042
2012-03-31	1521
2012-06-30	1514
2012-09-30	1373
2012-12-31	1536
2013-03-31	1485
2013-06-30	1612
2013-09-30	1670
2013-12-31	959
2014-03-31	87
2014-06-30	1012
2014-09-30	566
2014-12-31	838
2015-03-31	435
2015-06-30	215
2015-09-30	91
2015-12-31	110
2016-03-31	168
2016-06-30	162
2016-09-30	197
2016-12-31	139
2017-03-31	139
2017-06-30	139
2017-09-30	23
2017-12-31	5
2018-03-31	13
2018-06-30	7
2018-09-30	16
2018-12-31	6
2019-03-31	3
2019-06-30	0
2019-09-30	4
2019-12-31	0
2020-03-31	50
2020-06-30	5
2020-09-30	17
2020-12-31	3
2021-03-31	21
2021-06-30	11
2021-09-30	3
2021-12-31	5
2022-03-31	3
2022-06-30	4
2022-09-30	2
2022-12-31	1
2023-03-31	1
2023-06-30	2
2023-09-30	4