Quarter	US dollars
2004-12-31	152
2005-03-31	79
2005-06-30	181
2005-09-30	216
2005-12-31	185
2006-03-31	170
2006-06-30	146
2006-09-30	135
2006-12-31	108
2007-03-31	80
2007-06-30	100
2007-09-30	88
2007-12-31	108
2008-03-31	177
2008-06-30	189
2008-09-30	175
2008-12-31	160
2009-03-31	166
2009-06-30	132
2009-09-30	123
2009-12-31	65
2010-03-31	97
2010-06-30	102
2010-09-30	115
2010-12-31	77
2011-03-31	136
2011-06-30	132
2011-09-30	114
2011-12-31	93
2012-03-31	78
2012-06-30	72
2012-09-30	79
2012-12-31	78
2013-03-31	76
2013-06-30	68
2013-12-31	56
2014-03-31	58
2014-06-30	58
2014-09-30	76
2014-12-31	97
2015-03-31	62
2015-06-30	46
2015-09-30	24
2015-12-31	40
2016-03-31	81
2016-06-30	19
2016-09-30	26
2016-12-31	1
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	1
2018-06-30	1
2018-09-30	3
2018-12-31	0
2019-03-31	0
2019-06-30	3
2019-09-30	2
2019-12-31	8
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	4
2021-09-30	5
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