Quarter	US dollars
2004-12-31	207
2005-03-31	227
2005-06-30	276
2005-09-30	269
2005-12-31	191
2006-03-31	196
2006-06-30	213
2006-09-30	185
2006-12-31	159
2007-03-31	149
2007-06-30	140
2007-09-30	157
2007-12-31	143
2008-03-31	163
2008-06-30	165
2008-09-30	164
2008-12-31	288
2009-03-31	195
2009-06-30	184
2009-09-30	165
2009-12-31	158
2010-03-31	108
2010-06-30	85
2010-09-30	93
2010-12-31	92
2011-03-31	135
2011-06-30	186
2011-09-30	389
2011-12-31	402
2012-03-31	388
2012-06-30	532
2012-09-30	247
2012-12-31	386
2013-03-31	402
2013-06-30	426
2013-09-30	405
2013-12-31	271
2014-03-31	490
2014-06-30	650
2014-09-30	773
2014-12-31	1392
2015-03-31	500
2015-06-30	632
2015-09-30	435
2015-12-31	382
2016-03-31	348
2016-06-30	442
2016-09-30	630
2016-12-31	1041
2017-03-31	879
2017-06-30	682
2017-09-30	596
2017-12-31	373
2018-03-31	1479
2018-06-30	1714
2018-09-30	605
2018-12-31	543
2019-03-31	459
2019-06-30	381
2019-09-30	420
2019-12-31	318
2020-03-31	485
2020-06-30	481
2020-09-30	491
2020-12-31	508
2021-03-31	439
2021-06-30	687
2021-09-30	690
2021-12-31	811
2022-03-31	732
2022-06-30	455
2022-09-30	351
2022-12-31	580
2023-03-31	736
2023-06-30	336
2023-09-30	590