Quarter	US dollars
2004-12-31	13
2005-03-31	13
2005-06-30	13
2005-09-30	14
2005-12-31	17
2006-03-31	14
2006-06-30	24
2006-09-30	43
2006-12-31	45
2007-03-31	92
2007-06-30	76
2007-09-30	81
2007-12-31	102
2008-03-31	117
2008-06-30	117
2008-09-30	110
2008-12-31	36
2009-03-31	29
2009-06-30	36
2009-09-30	32
2009-12-31	31
2010-03-31	77
2010-06-30	81
2010-09-30	77
2010-12-31	85
2011-03-31	85
2011-06-30	85
2011-09-30	86
2011-12-31	130
2012-03-31	83
2012-06-30	74
2012-09-30	66
2012-12-31	65
2013-03-31	62
2013-06-30	24
2013-09-30	24
2013-12-31	31
2014-03-31	47
2014-06-30	34
2014-09-30	23
2014-12-31	14
2015-03-31	15
2015-06-30	13
2015-09-30	14
2015-12-31	19
2016-03-31	14
2016-06-30	15
2016-09-30	13
2016-12-31	12
2017-03-31	10
2017-06-30	6
2017-09-30	8
2017-12-31	14
2018-03-31	24
2018-06-30	22
2018-09-30	1
2018-12-31	1
2019-03-31	29
2019-06-30	19
2019-09-30	6
2019-12-31	9
2020-03-31	9
2020-06-30	10
2020-09-30	8
2020-12-31	5
2021-03-31	7
2021-06-30	7
2021-09-30	4
2021-12-31	5
2022-03-31	5
2022-06-30	5
2022-09-30	0
2022-12-31	14
2023-03-31	10
2023-06-30	18
2023-09-30	17