Quarter	US dollars
2004-12-31	276
2005-03-31	270
2005-06-30	255
2005-09-30	322
2005-12-31	520
2006-03-31	685
2006-06-30	710
2006-09-30	801
2006-12-31	1037
2007-03-31	1306
2007-06-30	1477
2007-09-30	1933
2007-12-31	1826
2008-03-31	1393
2008-06-30	1379
2008-09-30	1342
2008-12-31	1133
2009-03-31	1154
2009-06-30	1192
2009-09-30	1016
2009-12-31	953
2010-03-31	821
2010-06-30	747
2010-09-30	1174
2010-12-31	2315
2011-03-31	2187
2011-06-30	2754
2011-09-30	4365
2011-12-31	3817
2012-03-31	5031
2012-06-30	4729
2012-09-30	4523
2012-12-31	5977
2013-03-31	12254
2013-06-30	12401
2013-09-30	12576
2013-12-31	10399
2014-03-31	9452
2014-06-30	9952
2014-09-30	8176
2014-12-31	6569
2015-03-31	5324
2015-06-30	5079
2015-09-30	4487
2015-12-31	4093
2016-03-31	4440
2016-06-30	3692
2016-09-30	3513
2016-12-31	3162
2017-03-31	2922
2017-06-30	2197
2017-09-30	1894
2017-12-31	1882
2018-03-31	1151
2018-06-30	1010
2018-09-30	1483
2018-12-31	927
2019-03-31	1085
2019-06-30	1065
2019-09-30	913
2019-12-31	901
2020-03-31	800
2020-06-30	814
2020-09-30	924
2020-12-31	917
2021-03-31	1013
2021-06-30	1016
2021-09-30	1123
2021-12-31	1256
2022-03-31	1550
2022-06-30	1466
2022-09-30	1577
2022-12-31	1635
2023-03-31	1645
2023-06-30	1556
2023-09-30	1343