Quarter	US dollars
2004-12-31	263
2005-03-31	227
2005-06-30	215
2005-09-30	315
2005-12-31	240
2006-03-31	317
2006-06-30	4
2006-09-30	22
2006-12-31	16
2007-03-31	530
2007-06-30	562
2007-09-30	1471
2007-12-31	1155
2008-03-31	1039
2008-06-30	991
2008-09-30	1691
2008-12-31	1624
2009-03-31	1406
2009-06-30	1345
2009-09-30	1391
2009-12-31	1276
2010-03-31	1166
2010-06-30	1348
2010-09-30	1260
2010-12-31	1216
2011-03-31	1109
2011-06-30	1867
2011-09-30	1802
2011-12-31	1815
2012-03-31	2396
2012-06-30	3071
2012-09-30	2660
2012-12-31	1859
2013-03-31	1793
2013-06-30	2540
2013-09-30	3101
2013-12-31	1212
2014-03-31	1097
2014-06-30	1959
2014-09-30	1008
2014-12-31	1311
2015-03-31	992
2015-06-30	1387
2015-09-30	1595
2015-12-31	1440
2016-03-31	739
2016-06-30	727
2016-09-30	630
2016-12-31	593
2017-03-31	146
2017-06-30	30
2017-09-30	8
2017-12-31	7
2018-03-31	212
2018-06-30	194
2018-09-30	193
2018-12-31	8
2019-03-31	31
2019-06-30	267
2019-09-30	260
2019-12-31	443
2020-03-31	680
2020-06-30	571
2020-09-30	299
2020-12-31	227
2021-03-31	640
2021-06-30	749
2021-09-30	190
2021-12-31	252
2022-03-31	154
2022-06-30	510
2022-09-30	407
2022-12-31	348
2023-03-31	803
2023-06-30	823
2023-09-30	447