Quarter	US dollars
2004-12-31	8
2005-03-31	123
2005-06-30	90
2005-09-30	203
2005-12-31	472
2006-03-31	354
2006-06-30	374
2006-09-30	534
2006-12-31	1196
2007-03-31	637
2007-06-30	1695
2007-09-30	872
2007-12-31	631
2008-03-31	1501
2008-06-30	1335
2008-09-30	741
2008-12-31	355
2009-03-31	291
2009-06-30	417
2009-09-30	590
2009-12-31	859
2010-03-31	1407
2010-06-30	1321
2010-09-30	2461
2010-12-31	2787
2011-03-31	2068
2011-06-30	3317
2011-09-30	1703
2011-12-31	2613
2012-03-31	2877
2012-06-30	1515
2012-09-30	1846
2012-12-31	1875
2013-03-31	1477
2013-06-30	1602
2013-09-30	1930
2013-12-31	2286
2014-03-31	1632
2014-06-30	2264
2014-09-30	1787
2014-12-31	1444
2015-03-31	1226
2015-06-30	1197
2015-09-30	812
2015-12-31	956
2016-03-31	594
2016-06-30	514
2016-09-30	1773
2016-12-31	1781
2017-03-31	2535
2017-06-30	3011
2017-09-30	2388
2017-12-31	2416
2018-03-31	2795
2018-06-30	2589
2018-09-30	2895
2018-12-31	2440
2019-03-31	2837
2019-06-30	2878
2019-09-30	3027
2019-12-31	4493
2020-03-31	3154
2020-06-30	3048
2020-09-30	3236
2020-12-31	4866
2021-03-31	5140
2021-06-30	4284
2021-09-30	3142
2021-12-31	4810
2022-03-31	3452
2022-06-30	2573
2022-09-30	1665
2022-12-31	2284
2023-03-31	2771
2023-06-30	3485
2023-09-30	2710