Quarter	US dollars
2004-12-31	36
2005-03-31	34
2005-06-30	38
2005-09-30	39
2005-12-31	29
2006-03-31	43
2006-06-30	39
2006-09-30	43
2006-12-31	55
2007-03-31	63
2007-06-30	50
2007-09-30	45
2007-12-31	46
2008-03-31	107
2008-06-30	468
2008-09-30	164
2008-12-31	211
2009-03-31	222
2009-06-30	51
2009-09-30	67
2009-12-31	66
2010-03-31	67
2010-06-30	88
2010-09-30	74
2010-12-31	80
2011-03-31	64
2011-06-30	56
2011-09-30	76
2011-12-31	77
2012-03-31	46
2012-06-30	50
2012-09-30	63
2012-12-31	60
2013-03-31	49
2013-06-30	59
2013-09-30	94
2013-12-31	41
2014-03-31	37
2014-06-30	58
2014-09-30	36
2014-12-31	27
2015-03-31	37
2015-06-30	33
2015-09-30	6
2015-12-31	4
2016-03-31	4
2016-06-30	5
2016-09-30	6
2016-12-31	7
2017-03-31	8
2017-06-30	6
2017-09-30	4
2017-12-31	4
2018-03-31	6
2018-06-30	3
2018-09-30	4
2018-12-31	4
2019-03-31	0
2019-06-30	1
2019-09-30	1
2019-12-31	1
2020-03-31	1
2020-06-30	1
2020-09-30	1
2020-12-31	1
2021-03-31	0
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	4
2022-06-30	5
2022-09-30	6
2022-12-31	6
2023-03-31	8
2023-06-30	7
2023-09-30	11