Quarter	US dollars
2004-12-31	79
2005-03-31	53
2005-06-30	38
2005-09-30	32
2005-12-31	33
2006-03-31	62
2006-06-30	59
2006-09-30	24
2006-12-31	65
2007-03-31	69
2007-06-30	138
2007-09-30	120
2007-12-31	54
2008-03-31	28
2008-06-30	36
2008-09-30	23
2008-12-31	20
2009-03-31	33
2009-06-30	26
2009-09-30	27
2009-12-31	24
2010-03-31	27
2010-06-30	24
2010-09-30	27
2010-12-31	27
2011-03-31	13
2011-06-30	11
2011-09-30	9
2011-12-31	0
2012-03-31	0
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	0
2013-09-30	0
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	166
2018-03-31	146
2018-06-30	51
2018-09-30	106
2018-12-31	61
2019-03-31	345
2019-06-30	136
2019-09-30	658
2019-12-31	771
2020-03-31	499
2020-06-30	279
2020-09-30	1332
2020-12-31	516
2021-03-31	497
2021-06-30	319
2021-09-30	413
2021-12-31	487
2022-03-31	382
2022-06-30	352
2022-09-30	185
2022-12-31	180
2023-03-31	279
2023-06-30	195
2023-09-30	185