Quarter	US dollars
2004-12-31	67
2005-03-31	81
2005-06-30	68
2005-09-30	94
2005-12-31	100
2006-03-31	134
2006-06-30	115
2006-09-30	120
2006-12-31	164
2007-03-31	135
2007-06-30	124
2007-09-30	122
2007-12-31	189
2008-03-31	248
2008-06-30	227
2008-09-30	168
2008-12-31	210
2009-03-31	136
2009-06-30	132
2009-09-30	125
2009-12-31	94
2010-03-31	93
2010-06-30	88
2010-09-30	102
2010-12-31	113
2011-03-31	139
2011-06-30	103
2011-09-30	98
2011-12-31	53
2012-03-31	58
2012-06-30	63
2012-09-30	63
2012-12-31	65
2013-03-31	68
2013-06-30	68
2013-09-30	60
2013-12-31	48
2014-03-31	32
2014-06-30	39
2014-09-30	39
2014-12-31	34
2015-03-31	55
2015-06-30	60
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	3
2016-12-31	2
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