Quarter	US dollars
2004-12-31	532
2005-03-31	527
2005-06-30	534
2005-09-30	331
2005-12-31	561
2006-03-31	565
2006-06-30	594
2006-09-30	592
2006-12-31	613
2007-03-31	608
2007-06-30	636
2007-09-30	699
2007-12-31	691
2008-03-31	735
2008-06-30	770
2008-09-30	839
2008-12-31	775
2009-03-31	744
2009-06-30	782
2009-09-30	299
2009-12-31	299
2010-03-31	294
2010-06-30	293
2010-09-30	314
2010-12-31	326
2011-03-31	330
2011-06-30	347
2011-09-30	333
2011-12-31	345
2012-03-31	376
2012-06-30	386
2012-09-30	412
2012-12-31	416
2013-03-31	416
2013-06-30	411
2013-09-30	424
2013-12-31	415
2014-03-31	383
2014-06-30	356
2014-09-30	316
2014-12-31	279
2015-03-31	242
2015-06-30	228
2015-09-30	191
2015-12-31	167
2016-03-31	155
2016-06-30	133
2016-09-30	143
2016-12-31	92
2017-03-31	81
2017-06-30	52
2017-09-30	54
2017-12-31	5
2018-03-31	6
2018-06-30	5
2018-09-30	9
2018-12-31	9
2019-03-31	5
2019-06-30	5
2019-09-30	7
2019-12-31	5
2020-03-31	5
2020-06-30	5
2020-09-30	5
2020-12-31	5
2021-03-31	6
2021-06-30	6
2021-09-30	5
2021-12-31	5
2022-03-31	5
2022-06-30	5
2022-09-30	6
2022-12-31	6
2023-03-31	0
2023-06-30	0
2023-09-30	0