Quarter	US dollars
2004-12-31	334
2005-03-31	401
2005-06-30	382
2005-09-30	345
2005-12-31	321
2006-03-31	286
2006-06-30	300
2006-09-30	265
2006-12-31	268
2007-03-31	239
2007-06-30	241
2007-09-30	218
2007-12-31	195
2008-03-31	171
2008-06-30	167
2008-09-30	30
2008-12-31	135
2009-03-31	118
2009-06-30	128
2009-09-30	1102
2009-12-31	97
2010-03-31	76
2010-06-30	335
2010-09-30	14
2010-12-31	22
2011-03-31	19
2011-06-30	21
2011-09-30	22
2011-12-31	48
2012-03-31	46
2012-06-30	47
2012-09-30	334
2012-12-31	280
2013-03-31	105
2013-06-30	100
2013-09-30	74
2013-12-31	48
2014-03-31	53
2014-06-30	82
2014-09-30	50
2014-12-31	470
2015-03-31	110
2015-06-30	126
2015-09-30	76
2015-12-31	82
2016-03-31	76
2016-06-30	83
2016-09-30	70
2016-12-31	87
2017-03-31	69
2017-06-30	281
2017-09-30	287
2017-12-31	295
2018-03-31	268
2018-06-30	209
2018-09-30	387
2018-12-31	423
2019-03-31	455
2019-06-30	405
2019-09-30	809
2019-12-31	819
2020-03-31	556
2020-06-30	520
2020-09-30	704
2020-12-31	682
2021-03-31	706
2021-06-30	703
2021-09-30	673
2021-12-31	659
2022-03-31	669
2022-06-30	599
2022-09-30	598
2022-12-31	633
2023-03-31	600
2023-06-30	619
2023-09-30	601