Quarter	US dollars
2004-12-31	336
2005-03-31	336
2005-06-30	543
2005-09-30	301
2005-12-31	268
2006-03-31	439
2006-06-30	348
2006-09-30	404
2006-12-31	264
2007-03-31	928
2007-06-30	381
2007-09-30	573
2007-12-31	327
2008-03-31	825
2008-06-30	830
2008-09-30	649
2008-12-31	571
2009-03-31	669
2009-06-30	604
2009-09-30	571
2009-12-31	1700
2010-03-31	1558
2010-06-30	1329
2010-09-30	1610
2010-12-31	1566
2011-03-31	1430
2011-06-30	1151
2011-09-30	1084
2011-12-31	1259
2012-03-31	1259
2012-06-30	1104
2012-09-30	1252
2012-12-31	580
2013-03-31	543
2013-06-30	373
2013-09-30	400
2013-12-31	377
2014-03-31	472
2014-06-30	400
2014-09-30	430
2014-12-31	336
2015-03-31	281
2015-06-30	252
2015-09-30	307
2015-12-31	387
2016-03-31	397
2016-06-30	388
2016-09-30	174
2016-12-31	263
2017-03-31	178
2017-06-30	321
2017-09-30	219
2017-12-31	199
2018-03-31	203
2018-06-30	244
2018-09-30	266
2018-12-31	223
2019-03-31	420
2019-06-30	465
2019-09-30	562
2019-12-31	535
2020-03-31	814
2020-06-30	590
2020-09-30	180
2020-12-31	352
2021-03-31	664
2021-06-30	781
2021-09-30	1034
2021-12-31	854
2022-03-31	1128
2022-06-30	966
2022-09-30	996
2022-12-31	665
2023-03-31	746
2023-06-30	567
2023-09-30	679