Quarter	US dollars
2004-12-31	33
2005-03-31	25
2005-06-30	9
2005-09-30	7
2005-12-31	7
2006-03-31	10
2006-06-30	11
2006-09-30	6
2006-12-31	68
2007-03-31	94
2007-06-30	44
2007-09-30	33
2007-12-31	42
2008-03-31	64
2008-06-30	68
2008-09-30	37
2008-12-31	17
2009-03-31	14
2009-06-30	21
2009-09-30	22
2009-12-31	23
2010-03-31	12
2010-06-30	9
2010-09-30	9
2010-12-31	8
2011-03-31	50
2011-06-30	40
2011-09-30	61
2011-12-31	45
2012-03-31	61
2012-06-30	58
2012-09-30	132
2012-12-31	158
2013-03-31	393
2013-06-30	355
2013-09-30	387
2013-12-31	91
2014-03-31	222
2014-06-30	207
2014-09-30	208
2014-12-31	204
2015-03-31	194
2015-06-30	193
2015-09-30	203
2015-12-31	210
2016-03-31	40
2016-06-30	16
2016-09-30	14
2016-12-31	14
2017-03-31	11
2017-06-30	6
2017-09-30	15
2017-12-31	24
2018-03-31	28
2018-06-30	32
2018-09-30	16
2018-12-31	19
2019-03-31	21
2019-06-30	9
2019-09-30	17
2019-12-31	8
2020-03-31	4
2020-06-30	0
2020-09-30	3
2020-12-31	4
2021-03-31	3
2021-06-30	3
2021-09-30	4
2021-12-31	3
2022-03-31	0
2022-06-30	0
2022-09-30	5
2022-12-31	8
2023-03-31	6
2023-06-30	3
2023-09-30	6