Quarter	US dollars
2004-12-31	422
2005-03-31	399
2005-06-30	346
2005-09-30	356
2005-12-31	386
2006-03-31	421
2006-06-30	636
2006-09-30	1059
2006-12-31	1284
2007-03-31	1236
2007-06-30	1075
2007-09-30	901
2007-12-31	904
2008-03-31	1043
2008-06-30	1085
2008-09-30	1394
2008-12-31	870
2009-03-31	790
2009-06-30	972
2009-09-30	921
2009-12-31	988
2010-03-31	1163
2010-06-30	998
2010-09-30	1063
2010-12-31	1140
2011-03-31	872
2011-06-30	886
2011-09-30	929
2011-12-31	810
2012-03-31	943
2012-06-30	947
2012-09-30	830
2012-12-31	1203
2013-03-31	1116
2013-06-30	798
2013-09-30	998
2013-12-31	686
2014-03-31	882
2014-06-30	692
2014-09-30	657
2014-12-31	574
2015-03-31	713
2015-06-30	530
2015-09-30	709
2015-12-31	711
2016-03-31	502
2016-06-30	461
2016-09-30	416
2016-12-31	511
2017-03-31	659
2017-06-30	8
2017-09-30	12
2017-12-31	12
2018-03-31	4
2018-06-30	11
2018-09-30	9
2018-12-31	33
2019-03-31	17
2019-06-30	13
2019-09-30	54
2019-12-31	38
2020-03-31	41
2020-06-30	31
2020-09-30	28
2020-12-31	29
2021-03-31	28
2021-06-30	25
2021-09-30	49
2021-12-31	24
2022-03-31	22
2022-06-30	4
2022-09-30	18
2022-12-31	13
2023-03-31	0
2023-06-30	1
2023-09-30	9