Quarter	US dollars
2004-12-31	46
2005-03-31	3537
2005-06-30	7134
2005-09-30	3700
2005-12-31	9393
2006-03-31	12449
2006-06-30	13924
2006-09-30	16455
2006-12-31	16045
2007-03-31	20847
2007-06-30	15437
2007-09-30	26223
2007-12-31	17834
2008-03-31	4053
2008-06-30	7461
2008-09-30	3288
2008-12-31	1
2009-03-31	13602
2009-06-30	14276
2009-09-30	397
2009-12-31	8
2010-03-31	8939
2010-06-30	202
2010-09-30	878
2010-12-31	3469
2011-03-31	3342
2011-06-30	3547
2011-09-30	3398
2011-12-31	3847
2012-03-31	2552
2012-06-30	3070
2012-09-30	1389
2012-12-31	2546
2013-03-31	1470
2013-06-30	356
2013-09-30	24689
2013-12-31	2107
2014-03-31	1069
2014-06-30	2742
2014-09-30	1620
2014-12-31	1269
2015-03-31	4
2015-06-30	8
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	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0