Quarter	US dollars
2004-12-31	532
2005-03-31	563
2005-06-30	590
2005-09-30	575
2005-12-31	570
2006-03-31	572
2006-06-30	113
2006-09-30	146
2006-12-31	188
2007-03-31	579
2007-06-30	598
2007-09-30	599
2007-12-31	585
2008-03-31	175
2008-06-30	115
2008-09-30	260
2008-12-31	102
2009-03-31	76
2009-06-30	76
2009-09-30	574
2009-12-31	648
2010-03-31	714
2010-06-30	585
2010-09-30	607
2010-12-31	142
2011-03-31	359
2011-06-30	21
2011-09-30	45
2011-12-31	110
2012-03-31	48
2012-06-30	56
2012-09-30	79
2012-12-31	8
2013-03-31	58
2013-06-30	50
2013-09-30	24
2013-12-31	473
2014-03-31	492
2014-06-30	511
2014-09-30	520
2014-12-31	509
2015-03-31	460
2015-06-30	461
2015-09-30	532
2015-12-31	80
2016-03-31	81
2016-06-30	1
2016-09-30	81
2016-12-31	1
2017-03-31	1
2017-06-30	1
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	1
2018-09-30	1
2018-12-31	544
2019-03-31	241
2019-06-30	73
2019-09-30	6
2019-12-31	450
2020-03-31	1
2020-06-30	452
2020-09-30	520
2020-12-31	450
2021-03-31	461
2021-06-30	673
2021-09-30	649
2021-12-31	633
2022-03-31	705
2022-06-30	172
2022-09-30	164
2022-12-31	617
2023-03-31	715
2023-06-30	647
2023-09-30	675