Quarter	US dollars
2004-12-31	202
2005-03-31	210
2005-06-30	134
2005-09-30	103
2005-12-31	106
2006-03-31	123
2006-06-30	122
2006-09-30	108
2006-12-31	94
2007-03-31	76
2007-06-30	112
2007-09-30	102
2007-12-31	111
2008-03-31	68
2008-06-30	105
2008-09-30	105
2008-12-31	109
2009-03-31	69
2009-06-30	58
2009-09-30	74
2009-12-31	119
2010-03-31	129
2010-06-30	111
2010-09-30	106
2010-12-31	146
2011-03-31	205
2011-06-30	207
2011-09-30	140
2011-12-31	254
2012-03-31	358
2012-06-30	311
2012-09-30	321
2012-12-31	338
2013-03-31	795
2013-06-30	959
2013-09-30	682
2013-12-31	550
2014-03-31	685
2014-06-30	686
2014-09-30	606
2014-12-31	548
2015-03-31	376
2015-06-30	576
2015-09-30	383
2015-12-31	253
2016-03-31	799
2016-06-30	767
2016-09-30	310
2016-12-31	392
2017-03-31	301
2017-06-30	281
2017-09-30	441
2017-12-31	851
2018-03-31	755
2018-06-30	725
2018-09-30	575
2018-12-31	478
2019-03-31	509
2019-06-30	365
2019-09-30	509
2019-12-31	431
2020-03-31	397
2020-06-30	460
2020-09-30	538
2020-12-31	467
2021-03-31	469
2021-06-30	702
2021-09-30	643
2021-12-31	563
2022-03-31	607
2022-06-30	708
2022-09-30	600
2022-12-31	505
2023-03-31	557
2023-06-30	523
2023-09-30	502