Quarter	US dollars
2004-12-31	31
2005-03-31	76
2005-06-30	91
2005-09-30	83
2005-12-31	14
2006-03-31	132
2006-06-30	185
2006-09-30	93
2006-12-31	223
2007-03-31	133
2007-06-30	32
2007-09-30	55
2007-12-31	223
2008-03-31	197
2008-06-30	253
2008-09-30	112
2008-12-31	70
2009-03-31	67
2009-06-30	137
2009-09-30	171
2009-12-31	74
2010-03-31	138
2010-06-30	148
2010-09-30	123
2010-12-31	202
2011-03-31	263
2011-06-30	230
2011-09-30	167
2011-12-31	233
2012-03-31	348
2012-06-30	541
2012-09-30	665
2012-12-31	477
2013-03-31	187
2013-06-30	165
2013-09-30	214
2013-12-31	658
2014-03-31	330
2014-06-30	115
2014-09-30	191
2014-12-31	412
2015-03-31	588
2015-06-30	731
2015-09-30	620
2015-12-31	227
2016-03-31	322
2016-06-30	175
2016-09-30	82
2016-12-31	108
2017-03-31	114
2017-06-30	409
2017-09-30	415
2017-12-31	1081
2018-03-31	1248
2018-06-30	601
2018-09-30	411
2018-12-31	1449
2019-03-31	1525
2019-06-30	594
2019-09-30	607
2019-12-31	1798
2020-03-31	1805
2020-06-30	512
2020-09-30	306
2020-12-31	804
2021-03-31	837
2021-06-30	420
2021-09-30	588
2021-12-31	783
2022-03-31	878
2022-06-30	395
2022-09-30	344
2022-12-31	773
2023-03-31	684
2023-06-30	339
2023-09-30	203