Quarter	US dollars
2004-12-31	207
2005-03-31	147
2005-06-30	294
2005-09-30	8494
2005-12-31	8046
2006-03-31	8707
2006-06-30	8970
2006-09-30	9376
2006-12-31	10578
2007-03-31	10897
2007-06-30	11691
2007-09-30	12251
2007-12-31	15487
2008-03-31	14229
2008-06-30	15264
2008-09-30	13489
2008-12-31	10316
2009-03-31	11065
2009-06-30	11389
2009-09-30	11969
2009-12-31	12193
2010-03-31	13571
2010-06-30	15122
2010-09-30	17337
2010-12-31	18337
2011-03-31	19518
2011-06-30	17615
2011-09-30	16478
2011-12-31	16039
2012-03-31	15840
2012-06-30	15081
2012-09-30	14741
2012-12-31	12608
2013-03-31	12652
2013-06-30	12420
2013-09-30	12601
2013-12-31	11186
2014-03-31	12383
2014-06-30	12423
2014-09-30	10995
2014-12-31	10465
2015-03-31	9158
2015-06-30	10593
2015-09-30	7278
2015-12-31	6806
2016-03-31	7282
2016-06-30	7699
2016-09-30	1821
2016-12-31	1674
2017-03-31	1388
2017-06-30	1632
2017-09-30	1406
2017-12-31	1238
2018-03-31	1131
2018-06-30	1083
2018-09-30	786
2018-12-31	1085
2019-03-31	1061
2019-06-30	942
2019-09-30	1350
2019-12-31	1210
2020-03-31	485
2020-06-30	331
2020-09-30	1490
2020-12-31	1657
2021-03-31	1562
2021-06-30	1703
2021-09-30	1505
2021-12-31	1549
2022-03-31	1510
2022-06-30	1504
2022-09-30	1352
2022-12-31	1423
2023-03-31	1251
2023-06-30	882
2023-09-30	1139