Quarter	US dollars
2004-12-31	267
2005-03-31	282
2005-06-30	554
2005-09-30	536
2005-12-31	108
2006-03-31	182
2006-06-30	891
2006-09-30	867
2006-12-31	151
2007-03-31	198
2007-06-30	98
2007-09-30	116
2007-12-31	76
2008-03-31	244
2008-06-30	324
2008-09-30	267
2008-12-31	237
2009-03-31	255
2009-06-30	239
2009-09-30	238
2009-12-31	325
2010-03-31	314
2010-06-30	477
2010-09-30	517
2010-12-31	520
2011-03-31	859
2011-06-30	861
2011-09-30	1133
2011-12-31	1005
2012-03-31	356
2012-06-30	621
2012-09-30	1318
2012-12-31	1353
2013-03-31	1542
2013-06-30	2198
2013-09-30	1637
2013-12-31	1367
2014-03-31	1364
2014-06-30	2098
2014-09-30	1200
2014-12-31	1008
2015-03-31	1023
2015-06-30	508
2015-09-30	304
2015-12-31	470
2016-03-31	607
2016-06-30	485
2016-09-30	294
2016-12-31	202
2017-03-31	185
2017-06-30	474
2017-09-30	451
2017-12-31	312
2018-03-31	344
2018-06-30	452
2018-09-30	453
2018-12-31	373
2019-03-31	487
2019-06-30	619
2019-09-30	626
2019-12-31	601
2020-03-31	582
2020-06-30	761
2020-09-30	927
2020-12-31	743
2021-03-31	778
2021-06-30	666
2021-09-30	612
2021-12-31	580
2022-03-31	690
2022-06-30	570
2022-09-30	510
2022-12-31	607
2023-03-31	732
2023-06-30	1078
2023-09-30	826