Quarter	US dollars
2004-12-31	177
2005-03-31	181
2005-06-30	197
2005-09-30	297
2005-12-31	237
2006-03-31	448
2006-06-30	655
2006-09-30	323
2006-12-31	472
2007-03-31	541
2007-06-30	506
2007-09-30	3708
2007-12-31	4482
2008-03-31	443
2008-06-30	4299
2008-09-30	1484
2008-12-31	980
2009-03-31	1139
2009-06-30	1227
2009-09-30	1467
2009-12-31	1134
2010-03-31	1280
2010-06-30	1713
2010-09-30	1390
2010-12-31	1188
2011-03-31	2119
2011-06-30	1440
2011-09-30	1388
2011-12-31	1373
2012-03-31	1394
2012-06-30	1617
2012-09-30	1784
2012-12-31	1945
2013-03-31	2010
2013-06-30	1532
2013-09-30	1702
2013-12-31	1542
2014-03-31	1511
2014-06-30	1652
2014-09-30	1736
2014-12-31	5450
2015-03-31	4900
2015-06-30	4760
2015-09-30	5229
2015-12-31	4603
2016-03-31	526
2016-06-30	436
2016-09-30	474
2016-12-31	624
2017-03-31	804
2017-06-30	90
2017-09-30	90
2017-12-31	77
2018-03-31	65
2018-06-30	79
2018-09-30	40
2018-12-31	109
2019-03-31	340
2019-06-30	125
2019-09-30	536
2019-12-31	440
2020-03-31	417
2020-06-30	117
2020-09-30	309
2020-12-31	111
2021-03-31	448
2021-06-30	279
2021-09-30	460
2021-12-31	147
2022-03-31	340
2022-06-30	137
2022-09-30	299
2022-12-31	153
2023-03-31	418
2023-06-30	228
2023-09-30	380