Quarter	US dollars
2004-12-31	902
2005-03-31	837
2005-06-30	73
2005-09-30	37
2005-12-31	46
2006-03-31	45
2006-06-30	4
2006-09-30	45
2006-12-31	125
2007-03-31	153
2007-06-30	110
2007-09-30	699
2007-12-31	430
2008-03-31	189
2008-06-30	143
2008-09-30	830
2008-12-31	6
2009-03-31	1
2009-06-30	10
2009-09-30	35
2009-12-31	320
2010-03-31	271
2010-06-30	31
2010-09-30	55
2010-12-31	122
2011-03-31	231
2011-06-30	156
2011-09-30	207
2011-12-31	210
2012-03-31	1042
2012-06-30	932
2012-09-30	730
2012-12-31	728
2013-03-31	811
2013-06-30	681
2013-09-30	628
2013-12-31	803
2014-03-31	622
2014-06-30	749
2014-09-30	695
2014-12-31	748
2015-03-31	662
2015-06-30	640
2015-09-30	539
2015-12-31	628
2016-03-31	729
2016-06-30	782
2016-09-30	625
2016-12-31	566
2017-03-31	463
2017-06-30	505
2017-09-30	686
2017-12-31	769
2018-03-31	754
2018-06-30	409
2018-09-30	361
2018-12-31	331
2019-03-31	584
2019-06-30	526
2019-09-30	570
2019-12-31	564
2020-03-31	724
2020-06-30	487
2020-09-30	53
2020-12-31	30
2021-03-31	26
2021-06-30	0
2021-09-30	314
2021-12-31	768
2022-03-31	688
2022-06-30	787
2022-09-30	637
2022-12-31	634
2023-03-31	252
2023-06-30	341
2023-09-30	303