Quarter	US dollars
2004-12-31	244
2005-03-31	291
2005-06-30	314
2005-09-30	324
2005-12-31	316
2006-03-31	328
2006-06-30	479
2006-09-30	491
2006-12-31	562
2007-03-31	524
2007-06-30	566
2007-09-30	738
2007-12-31	689
2008-03-31	688
2008-06-30	647
2008-09-30	554
2008-12-31	381
2009-03-31	477
2009-06-30	506
2009-09-30	592
2009-12-31	688
2010-03-31	452
2010-06-30	657
2010-09-30	540
2010-12-31	535
2011-03-31	681
2011-06-30	762
2011-09-30	732
2011-12-31	852
2012-03-31	983
2012-06-30	929
2012-09-30	824
2012-12-31	747
2013-03-31	715
2013-06-30	960
2013-09-30	837
2013-12-31	845
2014-03-31	894
2014-06-30	957
2014-09-30	882
2014-12-31	793
2015-03-31	929
2015-06-30	939
2015-09-30	851
2015-12-31	825
2016-03-31	807
2016-06-30	1009
2016-09-30	1174
2016-12-31	1148
2017-03-31	1167
2017-06-30	12
2017-09-30	21
2017-12-31	201
2018-03-31	199
2018-06-30	202
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	5
2020-03-31	5
2020-06-30	5
2020-09-30	14
2020-12-31	5
2021-03-31	0
2021-06-30	3
2021-09-30	3
2021-12-31	3
2022-03-31	3
2022-06-30	5
2022-09-30	2
2022-12-31	3
2023-03-31	0
2023-06-30	0
2023-09-30	0