Quarter	US dollars
2004-12-31	922
2005-03-31	834
2005-06-30	880
2005-09-30	1052
2005-12-31	1521
2006-03-31	718
2006-06-30	1291
2006-09-30	1177
2006-12-31	1305
2007-03-31	1738
2007-06-30	2652
2007-09-30	2530
2007-12-31	2443
2008-03-31	2017
2008-06-30	1791
2008-09-30	2098
2008-12-31	1882
2009-03-31	2082
2009-06-30	1851
2009-09-30	1588
2009-12-31	1140
2010-03-31	1101
2010-06-30	1589
2010-09-30	1861
2010-12-31	3200
2011-03-31	3950
2011-06-30	5910
2011-09-30	4887
2011-12-31	4886
2012-03-31	5700
2012-06-30	6436
2012-09-30	6392
2012-12-31	6320
2013-03-31	7237
2013-06-30	8164
2013-09-30	7794
2013-12-31	8206
2014-03-31	7603
2014-06-30	6541
2014-09-30	6144
2014-12-31	4667
2015-03-31	861
2015-06-30	639
2015-09-30	392
2015-12-31	513
2016-03-31	579
2016-06-30	522
2016-09-30	839
2016-12-31	888
2017-03-31	1241
2017-06-30	559
2017-09-30	633
2017-12-31	582
2018-03-31	514
2018-06-30	469
2018-09-30	423
2018-12-31	756
2019-03-31	1221
2019-06-30	812
2019-09-30	473
2019-12-31	507
2020-03-31	376
2020-06-30	749
2020-09-30	832
2020-12-31	744
2021-03-31	968
2021-06-30	492
2021-09-30	620
2021-12-31	628
2022-03-31	932
2022-06-30	638
2022-09-30	598
2022-12-31	363
2023-03-31	482
2023-06-30	467
2023-09-30	866