Quarter	US dollars
2004-12-31	223
2005-03-31	172
2005-06-30	118
2005-09-30	50
2005-12-31	39
2006-03-31	35
2006-06-30	63
2006-09-30	135
2006-12-31	160
2007-03-31	247
2007-06-30	678
2007-09-30	896
2007-12-31	2011
2008-03-31	12
2008-06-30	2
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	0
2010-06-30	0
2010-09-30	0
2010-12-31	0
2011-03-31	0
2011-06-30	53
2011-09-30	61
2011-12-31	60
2012-03-31	58
2012-06-30	61
2012-09-30	63
2012-12-31	10
2013-03-31	11
2013-06-30	11
2013-09-30	10
2013-12-31	7
2014-03-31	12
2014-06-30	29
2014-09-30	2
2014-12-31	3
2015-03-31	3
2015-06-30	57
2015-09-30	56
2015-12-31	59
2016-03-31	116
2016-06-30	142
2016-09-30	164
2016-12-31	224
2017-03-31	266
2017-06-30	410
2017-09-30	425
2017-12-31	527
2018-03-31	481
2018-06-30	569
2018-09-30	659
2018-12-31	670
2019-03-31	297
2019-06-30	131
2019-09-30	68
2019-12-31	57
2020-03-31	38
2020-06-30	16
2020-09-30	19
2020-12-31	35
2021-03-31	33
2021-06-30	53
2021-09-30	61
2021-12-31	98
2022-03-31	78
2022-06-30	29
2022-09-30	27
2022-12-31	46
2023-03-31	36
2023-06-30	10
2023-09-30	19