Quarter	US dollars
2004-12-31	77
2005-03-31	95
2005-06-30	100
2005-09-30	73
2005-12-31	93
2006-03-31	90
2006-06-30	85
2006-09-30	95
2006-12-31	110
2007-03-31	106
2007-06-30	102
2007-09-30	104
2007-12-31	141
2008-03-31	159
2008-06-30	94
2008-09-30	68
2008-12-31	82
2009-03-31	47
2009-06-30	46
2009-09-30	40
2009-12-31	32
2010-03-31	29
2010-06-30	73
2010-09-30	82
2010-12-31	31
2011-03-31	48
2011-06-30	37
2011-09-30	45
2011-12-31	43
2012-03-31	10
2012-06-30	17
2012-09-30	68
2012-12-31	76
2013-03-31	68
2013-06-30	44
2013-09-30	36
2013-12-31	36
2014-03-31	33
2014-06-30	27
2014-09-30	26
2014-12-31	30
2015-03-31	24
2015-06-30	22
2015-09-30	20
2015-12-31	18
2016-03-31	3
2016-06-30	3
2016-09-30	5
2016-12-31	5
2017-03-31	5
2017-06-30	5
2017-09-30	5
2017-12-31	7
2018-03-31	6
2018-06-30	3
2018-09-30	1
2018-12-31	1
2019-03-31	1
2019-06-30	1
2019-09-30	1
2019-12-31	1
2020-03-31	0
2020-06-30	1
2020-09-30	0
2020-12-31	0
2021-03-31	1
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	1
2022-09-30	1
2022-12-31	1
2023-03-31	1
2023-06-30	1
2023-09-30	1