Quarter	US dollars
2004-12-31	42
2005-03-31	43
2005-06-30	149
2005-09-30	138
2005-12-31	118
2006-03-31	156
2006-06-30	231
2006-09-30	127
2006-12-31	110
2007-03-31	182
2007-06-30	159
2007-09-30	228
2007-12-31	215
2008-03-31	231
2008-06-30	201
2008-09-30	223
2008-12-31	372
2009-03-31	358
2009-06-30	142
2009-09-30	190
2009-12-31	152
2010-03-31	109
2010-06-30	316
2010-09-30	290
2010-12-31	503
2011-03-31	729
2011-06-30	515
2011-09-30	400
2011-12-31	450
2012-03-31	545
2012-06-30	475
2012-09-30	723
2012-12-31	585
2013-03-31	562
2013-06-30	450
2013-09-30	428
2013-12-31	236
2014-03-31	330
2014-06-30	373
2014-09-30	509
2014-12-31	370
2015-03-31	448
2015-06-30	414
2015-09-30	333
2015-12-31	216
2016-03-31	272
2016-06-30	231
2016-09-30	256
2016-12-31	149
2017-03-31	105
2017-06-30	88
2017-09-30	141
2017-12-31	199
2018-03-31	209
2018-06-30	107
2018-09-30	184
2018-12-31	172
2019-03-31	241
2019-06-30	101
2019-09-30	140
2019-12-31	82
2020-03-31	45
2020-06-30	87
2020-09-30	41
2020-12-31	57
2021-03-31	46
2021-06-30	50
2021-09-30	93
2021-12-31	70
2022-03-31	62
2022-06-30	5
2022-09-30	6
2022-12-31	6
2023-03-31	5
2023-06-30	5
2023-09-30	5