Quarter	US dollars
2004-12-31	50
2005-03-31	127
2005-06-30	115
2005-09-30	124
2005-12-31	125
2006-03-31	130
2006-06-30	165
2006-09-30	151
2006-12-31	362
2007-03-31	457
2007-06-30	835
2007-09-30	782
2007-12-31	904
2008-03-31	2333
2008-06-30	2539
2008-09-30	6800
2008-12-31	302
2009-03-31	4506
2009-06-30	4366
2009-09-30	3613
2009-12-31	1436
2010-03-31	3202
2010-06-30	150
2010-09-30	1995
2010-12-31	1440
2011-03-31	2456
2011-06-30	3468
2011-09-30	8695
2011-12-31	8570
2012-03-31	8836
2012-06-30	8386
2012-09-30	1584
2012-12-31	7690
2013-03-31	428
2013-06-30	341
2013-09-30	9946
2013-12-31	6206
2014-03-31	2264
2014-06-30	1520
2014-09-30	7224
2014-12-31	354
2015-03-31	77
2015-06-30	75
2015-09-30	8
2015-12-31	6
2016-03-31	6
2016-06-30	5
2016-09-30	6
2016-12-31	5
2017-03-31	5
2017-06-30	5
2017-09-30	4
2017-12-31	4
2018-03-31	8
2018-06-30	9
2018-09-30	5
2018-12-31	6
2019-03-31	7
2019-06-30	6
2019-09-30	6
2019-12-31	7
2020-03-31	6
2020-06-30	6
2020-09-30	6
2020-12-31	7
2021-03-31	6
2021-06-30	6
2021-09-30	5
2021-12-31	5
2022-03-31	5
2022-06-30	5
2022-09-30	3
2022-12-31	4
2023-03-31	2
2023-06-30	3
2023-09-30	0