Quarter	US dollars
2004-12-31	46
2005-03-31	53
2005-06-30	72
2005-09-30	64
2005-12-31	65
2006-03-31	71
2006-06-30	70
2006-09-30	235
2006-12-31	387
2007-03-31	120
2007-06-30	110
2007-09-30	175
2007-12-31	299
2008-03-31	588
2008-06-30	474
2008-09-30	349
2008-12-31	193
2009-03-31	387
2009-06-30	504
2009-09-30	414
2009-12-31	699
2010-03-31	441
2010-06-30	546
2010-09-30	783
2010-12-31	443
2011-03-31	583
2011-06-30	761
2011-09-30	458
2011-12-31	413
2012-03-31	676
2012-06-30	872
2012-09-30	1177
2012-12-31	707
2013-03-31	882
2013-06-30	1050
2013-09-30	918
2013-12-31	988
2014-03-31	3328
2014-06-30	3180
2014-09-30	3241
2014-12-31	2577
2015-03-31	2444
2015-06-30	2320
2015-09-30	1572
2015-12-31	814
2016-03-31	410
2016-06-30	287
2016-09-30	708
2016-12-31	315
2017-03-31	329
2017-06-30	325
2017-09-30	260
2017-12-31	243
2018-03-31	479
2018-06-30	417
2018-09-30	458
2018-12-31	365
2019-03-31	433
2019-06-30	946
2019-09-30	606
2019-12-31	314
2020-03-31	326
2020-06-30	243
2020-09-30	752
2020-12-31	302
2021-03-31	658
2021-06-30	586
2021-09-30	233
2021-12-31	230
2022-03-31	562
2022-06-30	299
2022-09-30	512
2022-12-31	333
2023-03-31	338
2023-06-30	255
2023-09-30	306