Quarter	US dollars
2004-12-31	134
2005-03-31	146
2005-06-30	77
2005-09-30	103
2005-12-31	206
2006-03-31	236
2006-06-30	111
2006-09-30	131
2006-12-31	151
2007-03-31	165
2007-06-30	152
2007-09-30	141
2007-12-31	169
2008-03-31	221
2008-06-30	293
2008-09-30	294
2008-12-31	405
2009-03-31	341
2009-06-30	374
2009-09-30	318
2009-12-31	362
2010-03-31	475
2010-06-30	338
2010-09-30	514
2010-12-31	446
2011-03-31	378
2011-06-30	271
2011-09-30	335
2011-12-31	495
2012-03-31	668
2012-06-30	670
2012-09-30	598
2012-12-31	616
2013-03-31	668
2013-06-30	684
2013-09-30	593
2013-12-31	778
2014-03-31	964
2014-06-30	730
2014-09-30	880
2014-12-31	582
2015-03-31	689
2015-06-30	461
2015-09-30	562
2015-12-31	415
2016-03-31	382
2016-06-30	446
2016-09-30	304
2016-12-31	369
2017-03-31	430
2017-06-30	521
2017-09-30	346
2017-12-31	334
2018-03-31	500
2018-06-30	401
2018-09-30	540
2018-12-31	446
2019-03-31	1014
2019-06-30	701
2019-09-30	795
2019-12-31	712
2020-03-31	304
2020-06-30	555
2020-09-30	972
2020-12-31	852
2021-03-31	713
2021-06-30	837
2021-09-30	636
2021-12-31	604
2022-03-31	688
2022-06-30	532
2022-09-30	544
2022-12-31	1174
2023-03-31	1194
2023-06-30	640
2023-09-30	549