Quarter	US dollars
2004-12-31	71
2005-03-31	68
2005-06-30	72
2005-09-30	62
2005-12-31	53
2006-03-31	66
2006-06-30	68
2006-09-30	56
2006-12-31	55
2007-03-31	57
2007-06-30	54
2007-09-30	61
2007-12-31	80
2008-03-31	121
2008-06-30	121
2008-09-30	198
2008-12-31	78
2009-03-31	57
2009-06-30	87
2009-09-30	77
2009-12-31	68
2010-03-31	49
2010-06-30	81
2010-09-30	93
2010-12-31	100
2011-03-31	85
2011-06-30	83
2011-09-30	95
2011-12-31	79
2012-03-31	86
2012-06-30	138
2012-09-30	124
2012-12-31	121
2013-03-31	547
2013-06-30	546
2013-09-30	343
2013-12-31	557
2014-03-31	534
2014-06-30	552
2014-09-30	305
2014-12-31	506
2015-03-31	480
2015-06-30	486
2015-09-30	286
2015-12-31	488
2016-03-31	65
2016-06-30	54
2016-09-30	97
2016-12-31	94
2017-03-31	99
2017-06-30	247
2017-09-30	237
2017-12-31	613
2018-03-31	563
2018-06-30	421
2018-09-30	323
2018-12-31	317
2019-03-31	292
2019-06-30	263
2019-09-30	264
2019-12-31	281
2020-03-31	265
2020-06-30	307
2020-09-30	249
2020-12-31	149
2021-03-31	386
2021-06-30	131
2021-09-30	352
2021-12-31	274
2022-03-31	258
2022-06-30	120
2022-09-30	152
2022-12-31	182
2023-03-31	320
2023-06-30	215
2023-09-30	181