Quarter	US dollars
2004-12-31	42
2005-03-31	102
2005-06-30	93
2005-09-30	126
2005-12-31	88
2006-03-31	147
2006-06-30	181
2006-09-30	146
2006-12-31	96
2007-03-31	114
2007-06-30	708
2007-09-30	391
2007-12-31	432
2008-03-31	396
2008-06-30	293
2008-09-30	269
2008-12-31	299
2009-03-31	463
2009-06-30	515
2009-09-30	598
2009-12-31	505
2010-03-31	453
2010-06-30	503
2010-09-30	446
2010-12-31	706
2011-03-31	834
2011-06-30	729
2011-09-30	3376
2011-12-31	3227
2012-03-31	3965
2012-06-30	3231
2012-09-30	3162
2012-12-31	3976
2013-03-31	5687
2013-06-30	6214
2013-09-30	5749
2013-12-31	5263
2014-03-31	4628
2014-06-30	4201
2014-09-30	4029
2014-12-31	3754
2015-03-31	3436
2015-06-30	3207
2015-09-30	3213
2015-12-31	3124
2016-03-31	3113
2016-06-30	2768
2016-09-30	2677
2016-12-31	2287
2017-03-31	2200
2017-06-30	1960
2017-09-30	1791
2017-12-31	1808
2018-03-31	1391
2018-06-30	1271
2018-09-30	516
2018-12-31	1076
2019-03-31	1136
2019-06-30	1053
2019-09-30	991
2019-12-31	905
2020-03-31	868
2020-06-30	889
2020-09-30	914
2020-12-31	856
2021-03-31	826
2021-06-30	883
2021-09-30	1058
2021-12-31	1125
2022-03-31	1174
2022-06-30	1179
2022-09-30	1224
2022-12-31	1334
2023-03-31	1551
2023-06-30	1250
2023-09-30	1245