Quarter	US dollars
2004-12-31	359
2005-03-31	83
2005-06-30	152
2005-09-30	156
2005-12-31	141
2006-03-31	241
2006-06-30	231
2006-09-30	1039
2006-12-31	382
2007-03-31	761
2007-06-30	1079
2007-09-30	1277
2007-12-31	1605
2008-03-31	1228
2008-06-30	1620
2008-09-30	1946
2008-12-31	1468
2009-03-31	3021
2009-06-30	3989
2009-09-30	3805
2009-12-31	2839
2010-03-31	2980
2010-06-30	2678
2010-09-30	1944
2010-12-31	2422
2011-03-31	2388
2011-06-30	3001
2011-09-30	3071
2011-12-31	2446
2012-03-31	2728
2012-06-30	2693
2012-09-30	1801
2012-12-31	1835
2013-03-31	2306
2013-06-30	2610
2013-09-30	3015
2013-12-31	1296
2014-03-31	769
2014-06-30	699
2014-09-30	869
2014-12-31	1068
2015-03-31	778
2015-06-30	722
2015-09-30	335
2015-12-31	387
2016-03-31	282
2016-06-30	483
2016-09-30	386
2016-12-31	677
2017-03-31	690
2017-06-30	544
2017-09-30	487
2017-12-31	848
2018-03-31	1096
2018-06-30	919
2018-09-30	609
2018-12-31	1121
2019-03-31	1496
2019-06-30	812
2019-09-30	844
2019-12-31	653
2020-03-31	779
2020-06-30	332
2020-09-30	682
2020-12-31	1691
2021-03-31	723
2021-06-30	590
2021-09-30	587
2021-12-31	1968
2022-03-31	1626
2022-06-30	1591
2022-09-30	1803
2022-12-31	1688
2023-03-31	1195
2023-06-30	1770
2023-09-30	1401