Quarter	US dollars
2004-12-31	417
2005-03-31	284
2005-06-30	387
2005-09-30	927
2005-12-31	45
2006-03-31	1866
2006-06-30	1694
2006-09-30	2417
2006-12-31	2652
2007-03-31	794
2007-06-30	873
2007-09-30	33
2007-12-31	26
2008-03-31	143
2008-06-30	24
2008-09-30	34
2008-12-31	22
2009-03-31	47
2009-06-30	26
2009-09-30	21
2009-12-31	19
2010-03-31	20
2010-06-30	16
2010-09-30	17
2010-12-31	17
2011-03-31	16
2011-06-30	18
2011-09-30	22
2011-12-31	12
2012-03-31	13
2012-06-30	1402
2012-09-30	1440
2012-12-31	1455
2013-03-31	1460
2013-06-30	1304
2013-09-30	1278
2013-12-31	1205
2014-03-31	1322
2014-06-30	1359
2014-09-30	966
2014-12-31	1063
2015-03-31	947
2015-06-30	1062
2015-09-30	838
2015-12-31	898
2016-03-31	893
2016-06-30	865
2016-09-30	27
2016-12-31	43
2017-03-31	44
2017-06-30	68
2017-09-30	52
2017-12-31	39
2018-03-31	38
2018-06-30	37
2018-09-30	78
2018-12-31	36
2019-03-31	34
2019-06-30	88
2019-09-30	69
2019-12-31	85
2020-03-31	86
2020-06-30	80
2020-09-30	87
2020-12-31	93
2021-03-31	87
2021-06-30	77
2021-09-30	85
2021-12-31	69
2022-03-31	66
2022-06-30	64
2022-09-30	45
2022-12-31	38
2023-03-31	10
2023-06-30	15
2023-09-30	14