Quarter	US dollars
2004-12-31	207
2005-03-31	233
2005-06-30	366
2005-09-30	149
2005-12-31	486
2006-03-31	704
2006-06-30	1075
2006-09-30	983
2006-12-31	1427
2007-03-31	175
2007-06-30	136
2007-09-30	177
2007-12-31	229
2008-03-31	207
2008-06-30	338
2008-09-30	718
2008-12-31	719
2009-03-31	370
2009-06-30	379
2009-09-30	315
2009-12-31	389
2010-03-31	265
2010-06-30	340
2010-09-30	555
2010-12-31	479
2011-03-31	417
2011-06-30	360
2011-09-30	326
2011-12-31	651
2012-03-31	364
2012-06-30	494
2012-09-30	610
2012-12-31	614
2013-03-31	2695
2013-06-30	223
2013-09-30	345
2013-12-31	344
2014-03-31	567
2014-06-30	299
2014-09-30	420
2014-12-31	403
2015-03-31	457
2015-06-30	348
2015-09-30	6
2015-12-31	3
2016-03-31	1
2016-06-30	4
2016-09-30	1
2016-12-31	1
2017-03-31	10
2017-06-30	10
2017-09-30	12
2017-12-31	11
2018-03-31	6
2018-06-30	7
2018-09-30	7
2018-12-31	11
2019-03-31	14
2019-06-30	14
2019-09-30	11
2019-12-31	11
2020-03-31	7
2020-06-30	20
2020-09-30	21
2020-12-31	7
2021-03-31	10
2021-06-30	4
2021-09-30	4
2021-12-31	5
2022-03-31	7
2022-06-30	2
2022-09-30	6
2022-12-31	4
2023-03-31	4
2023-06-30	2
2023-09-30	6