Quarter	US dollars
2004-12-31	56
2005-03-31	45
2005-06-30	63
2005-09-30	55
2005-12-31	94
2006-03-31	42
2006-06-30	46
2006-09-30	75
2006-12-31	65
2007-03-31	71
2007-06-30	165
2007-09-30	204
2007-12-31	297
2008-03-31	833
2008-06-30	486
2008-09-30	547
2008-12-31	827
2009-03-31	734
2009-06-30	237
2009-09-30	297
2009-12-31	215
2010-03-31	259
2010-06-30	367
2010-09-30	337
2010-12-31	221
2011-03-31	146
2011-06-30	153
2011-09-30	160
2011-12-31	155
2012-03-31	163
2012-06-30	121
2012-09-30	71
2012-12-31	63
2013-03-31	87
2013-06-30	44
2013-09-30	26
2013-12-31	12
2014-03-31	48
2014-06-30	39
2014-09-30	28
2014-12-31	23
2015-03-31	16
2015-06-30	13
2015-09-30	6
2015-12-31	7
2016-03-31	13
2016-06-30	24
2016-09-30	13
2016-12-31	1
2017-03-31	0
2017-06-30	1
2017-09-30	3
2017-12-31	9
2018-03-31	3
2018-06-30	3
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	1
2019-09-30	1
2019-12-31	0
2020-03-31	4
2020-06-30	2
2020-09-30	4
2020-12-31	4
2021-03-31	1
2021-06-30	1
2021-09-30	1
2021-12-31	1
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