Quarter	US dollars
2004-12-31	96
2005-03-31	873
2005-06-30	47
2005-09-30	1174
2005-12-31	43
2006-03-31	1872
2006-06-30	1973
2006-09-30	863
2006-12-31	292
2007-03-31	488
2007-06-30	46
2007-09-30	1550
2007-12-31	64
2008-03-31	2365
2008-06-30	987
2008-09-30	1770
2008-12-31	451
2009-03-31	130
2009-06-30	191
2009-09-30	521
2009-12-31	273
2010-03-31	854
2010-06-30	274
2010-09-30	309
2010-12-31	337
2011-03-31	245
2011-06-30	233
2011-09-30	977
2011-12-31	1177
2012-03-31	946
2012-06-30	924
2012-09-30	149
2012-12-31	97
2013-03-31	103
2013-06-30	337
2013-09-30	1038
2013-12-31	1030
2014-03-31	814
2014-06-30	845
2014-09-30	733
2014-12-31	818
2015-03-31	447
2015-06-30	411
2015-09-30	214
2015-12-31	313
2016-03-31	407
2016-06-30	496
2016-09-30	3311
2016-12-31	2846
2017-03-31	2590
2017-06-30	2632
2017-09-30	1748
2017-12-31	1547
2018-03-31	1541
2018-06-30	1335
2018-09-30	1068
2018-12-31	1182
2019-03-31	1650
2019-06-30	389
2019-09-30	383
2019-12-31	287
2020-03-31	308
2020-06-30	332
2020-09-30	432
2020-12-31	527
2021-03-31	577
2021-06-30	603
2021-09-30	618
2021-12-31	550
2022-03-31	457
2022-06-30	429
2022-09-30	435
2022-12-31	499
2023-03-31	415
2023-06-30	488
2023-09-30	498